Newsletters

This page includes links to newsletters published by Halton Master Gardeners. Links open a pdf file.

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2022 Cross-Pollination August 2022

• Turtleheads–Bring some turtles to your garden!
  by Kirsten McCarthy, Halton Master Gardener
• August Gardening ‘To-Do’ List
  by Claudette Sims, Halton Master Gardener
• Lichen the ‘fun-guys’ Part III Mosses, Liverworts, & Hornworts
  by Kathleen Terry, Halton Master Gardener
• Garden Visitors or Garden Pests? Part 1: Rabbits
  by Liza Drozdov, Halton Master Gardener
• Question of the Month: Deformed Echinacea
  by Hariette Henry, Halton Master Gardener
• Garden Inspiration from Healthy Yards
• What’s Growing On?  News and events
  

2022 Cross-Pollination July 2022

• New Jersey Tea – A Favourite of Mine & the Pollinators!
  by Janet Mackey, Halton Master Gardener
• July Gardening ‘To-Do’ List
  by Claudette Sims, Halton Master Gardener
• Lichen the ‘fun-guys’ Part II Lichen
  by Kathleen Terry, Halton Master Gardener
• My Immortal Knotweed
  by Liza Drozdov, Halton Master Gardener
• Question of the Month: Ants on Peonies
  by Hariette Henry, Halton Master Gardener
• Garden Humour
• What’s Growing On?  News and events
  

2022 Cross-Pollination June 2022

• Black Chokeberry – A ‘Rose’acea by any other name?
  by Janet Mackey, Halton Master Gardener
• June Gardening ‘To-Do’ List
  by Claudette Sims, Halton Master Gardener
• Lichen the ‘Fun-Guys’: Dryad’s Saddle
  by Kathleen Terry, Halton Master Gardener
• Canadian Coalition for Invasive Plant Regulation
  by Cathy Kavassalis and Claudette Sims, Halton Master Gardeners
• Memory Aids for Gardeners
  Bev Wagar, Halton Master Gardener
• Question of the Month: Gardening around a tree stump
  by Hariette Henry, Halton Master Gardeners
• Monarch Awards
  by Claudette Sims, Halton Master Gardener
• What’s Growing On?  News and events
  

2022 Cross-Pollination May 2022

• Liverwort–a Beauty with a Beastly Name
  by Claudette Sims, Halton Master Gardener
• May Gardening ‘To-Do’ List
  by Claudette Sims, Halton Master Gardener
• Gardening with Children: From Little Seeds
  by Allyn Walsh, Halton Master Gardener
• Invasive Jumping Worms: Spread the Word, not the Worm
  by Claudette Sims, Halton Master Gardener
• Carrie Does Not Love Tom. She Never Did
  by Bev Wagar, Halton Master Gardener
• Grow these Seven Spectacular Moths in Your Garden
  by Claudette Sims, Halton Master Gardener
• Question of the Month: Grass Replacement
  by Cathy Kavassalis and Hariette Henry, Halton Master Gardeners
• What’s Growing On?  News and events
  

2022 Cross Pollination April 2022

• Monstera Mystery Revealed
  by Harriet Henry, Halton Master Gardener
• April Gardening ‘To-Do’ List
  by Claudette Sims, Halton Master Gardener
• Making More Lilies
  by Liza Drozdov, Halton Master Gardener
• Garden Activism–Are You at Risk?
  by Bev Wagar, Halton Master Gardener
• Spring Flowering Native Plants for Your Garden
  by Claudette Sims, Halton Master Gardener
• Question of the Month: Rosa multiflora
  by Claudette Sims, Halton Master Gardener
• What’s Growing On?  News and events
  

2022 Cross Pollination March 2022

• March GARDENING ‘TO-DO’ LIST
  by Halton MG Claudette Sims
• SOME LIKE IT HOT–SEED GERMINATION AND SOIL TEMPERATURE
  By Halton MG Cheryl Discenza
• A PHILOSOPHICAL APPROACH TO CO-EXISTING WITH CRITTERS IN THE GARDEN–EPISODE 1
  by Halton MG Pam MacDonald
• Question of the Month: Curing Clematis Pruning Anxiety
  by Halton MG Claudette Sims
• WHAT’S GROWING ON?  News and events
  

2022 Cross Pollination February 2022

• February GARDENING ‘TO-DO’ LIST
  by Halton MG Claudette Sims
• THE HORI HORI KNIFE–A WARRIOR’S TOOL
  by Halton MGiT Sheila Gutierrez
• FEED ME, SEYMOUR! A NOTE ON NITROGEN FERTILIZERS
  by Halton MG Cathy Kavassalis
• Question of the Month: When to Plant Seeds
  by Halton MG Cathy Kavassalis
• HALTON MASTER GARDENERS OUT & ABOUT
  by Halton MG Kirsten McCarthy
• WHAT’S GROWING ON?  News and events
  by Halton MG Claudette Sims
  

2021 Cross Pollination December 2021

• December & January GARDENING ‘TO-DO’ LIST
  by Halton MG Claudette Sims
• THE WELL TRAVELLED TRUG
  by Halton Master Gardener Pam MacDonald
• CHRISTMAS FERNS AND FRIENDS
  by Halton MG Allyn Walsh
• Master Gardener Profile: CLAUDETTE SIMS, CHAMPION OF CHANGE
  By Halton MG Bev Wagar
• Question of the Month: FUMIGATING WILDFLOWER SEEDS
  by Halton MG Claudette Sims
• WHAT’S GROWING ON?  News and events
  by Halton MG Claudette Sims
  
  Happy Holidays! The next issue will be in February 2022.

2021 – Cross Pollination November 2021

• November GARDENING ‘TO-DO’ LIST
  by Halton MG Claudette Sims
• COLLECTION, CLEANING, AND STORAGE OF SEEDS (part 2)
  by Brenda Van Ryswyk – Terrestrial Ecologist, Conservation Halton
• Question of the Month: CLEANING UP THE FALL GARDEN – what to cut (or leave)
  by Halton MGs Claudette Sims
• WHAT’S GROWING ON?  News and events
  by Halton MG Claudette Sims

2021 – Cross Pollination October 2021

• October GARDENING ‘TO-DO’ LIST
  by Halton MG Claudette Sims
• OUR FAVOURITE PLANTS: Camassia scilloides / Wild Hyacinth
  by Halton MG Pam MacDonald
• SEED COLLECTION OF NATIVE PLANTS
  by Brenda Van Ryswyk – Terrestrial Ecologist, Conservation Halton
• Question of the Month: HALLOWE’EN AFTERMATH – what to do with the pumpkins
  by Halton MGs Claudette Sims and Kathy Kavassalis
• WHAT’S GROWING ON?  News and events
• by Halton MG Claudette Sims

2021 – Cross Pollination September 2021

• September GARDENING ‘TO-DO’ LIST 
  by Halton MG Claudette Sims
• A MASTER MASTER GARDENER – profile of Cathy Kavassalis
  by Halton MG Kirsten McCarthy
• GOOGLE IS YOUR FRIEND – searching online for horticulture help
  by Halton MG Bev Wagar
• JUMPING WORMS–THE STUFF OF NIGHTMARES – a new invasive species is here
  by Halton MGs Cathy Kavassalis & Claudette Sims
• Question of the Month: HACKBERRY MYSTERY – galls induced by Pachypsylla
  by Halton MG Cathy Kavassalis
• WHAT’S GROWING ON?  News and events
  by Halton MG Claudette Sims

2021 – Cross Pollination August 2021

• August GARDENING ‘TO-DO’ LIST – Halton MG Claudette Sims
• Our Favourite Plants: Lobelia siphilitica, Great Blue Lobelia- Halton MG Allyn Walsh
• Diagnosing Lawn Issues: Let’s Start with Insects – Halton MGs Cathy Kavassalis, Claudette Sims
• Question of the Month: HELP Little Henry, Virginia Sweetspire – Halton MG Hariette Henry
• WHAT’S GROWING ON?  – Halton MG Claudette Sims

2021 – Cross Pollination July 2021

• July GARDENING ‘TO-DO’ LIST – Halton MG Claudette Sims
• Our Favourite Plants: Chelone glabra (White Turtlehead)- Halton MG Pam McDonald
• The Three Sisters- Halton MG Isabel Belanger
• WHAT’S GROWING ON?  – Halton MG Claudette Sims

2021 – Cross Pollination June 2021

• June GARDENING ‘TO-DO’ LIST – Halton MG Claudette Sims
• My Mysterious Tale of Woe – Black Vine Weevil Halton MG Allyn Walsh
• Hamilton Library Site Consultation – Halton MG, Claudette Sims, Bev Wagar & Pam MacDonald
• Native Bees of Ontario Halictid Bees (Sweat Bees)- Halton MG Hariette Henry
• Meet our Master Gardeners: David Marshall and Master Gardener in Training, Connie Booth
• WHAT’S GROWING ON?  – Halton MG Claudette Sims

2021 – Cross Pollination May 2021

• May GARDENING ‘TO-DO’ LIST – Halton MG Claudette Sims
• Goldenrods: The gold standard for our gardens Halton MG Pam MacDonald
• Native Bees of Ontario – Halton MG Hariette Henry
• QUESTION OF THE MONTH ‘What is this flower growing in my lawn?’ – Halton MG Claudette Sims
• WHAT’S GROWING ON? Shelter in Place Virtual Gardening Events – Halton MG Claudette Sims

2021 – Cross Pollination April 2021

• APRIL GARDENING ‘TO-DO’ LIST – Halton MG Claudette Sims;
• NATURE AND HEALTH –Halton MG Patty King
• NATIVE BEES OF ONTARIO, Mining Bees – Halton MG Hariette Henry;
• QUESTION OF THE MONTH – What Are Some Bee Friendly Alternatives to Lawns? Halton MG Claudette Sims
• WHAT’S GROWING ON? Shelter in Place Virtual Gardening Events – Halton MG Claudette Sims

2021 – Cross Pollination March 2021

• MARCH GARDENING ‘TO-DO’ LIST – Halton MG Claudette Sims;
• WILDLIFE IN MY GARDEN –Halton MG Liza Drozdov
• OUR NATIVE CONIFERS PART 2 – Halton MG Allyn Walsh;
• OFF TO A GOOD START: getting tools ready for the season -Halton MG Allyn Walsh;
• NATIVE BEES OF ONTARIO, Eastern Carpenter Bee – Halton MG Hariette Henry;
• WHAT’S GROWING ON? Shelter in Place Virtual Gardening Events – Halton MG Claudette Sims

2021 – Cross-Pollination February 2021

• February Gardening To-Do List – Halton MG Claudette Sims; NATIVE BEES OF ONTARIO, Our Most Important Pollinator – Halton MG Hariette Henry; A Copse of Carolinians: Indicator Trees – Halton MG Allyn Walsh; Question of the Month – What are these small white insects on my hibiscus? – Halton MG Claudette Sims; What’s Growing On? Shelter in Place Virtual Gardening Events – Halton MG Claudette Sims

2020 – Cross Pollination December/January 2020

December/January Gardening To-Do List – Halton MG Claudette Sims; – Praying Mantises in Ontario – Halton MG Hariette Henry; Our Native Conifers: Part 1: Pine and Spruce and Fir Oh My! – Halton MG Allyn Walsh; Question of the Month – How do I care for my amaryllis? – Halton MG Claudette Sims; What’s Growing On? Shelter in Place Gardening Events – Halton MG Claudette Sims

2020 – Cross Pollination November 2020

• November Gardening To-Do List – Halton MG Claudette Sims; Seed Collection of Native Plants – Part 2 – Brenda Van Ryswyk, Ecologist with Conservation Halton; Spotlight on Beneficial Insects:      ‘Create the right habitat & They Will Come!’ – Syrphid & Hover Flies – Halton MG Hariette Henry; Question of the Month – Garlic & Clematis – Halton MG Cathy Kavassalis; The Indoor Veggie Garden – Halton MG Dar Corrigan; Whats Growing On? Shelter in Place Gardening Events – Halton MG Claudette Sims

2020 – Cross Pollination October 2020

• October Gardening To-Do List – Halton MG Claudette Sims; Seed Collection of Native Plants – Brenda Van Ryswyk, Ecologist with Conservation Halton; Spotlight on Beneficial Insects:      ‘Create the right habitat & They Will Come! – Dragonflies & Damselflies – Halton MG Hariette Henry; Question of the Month – Creeping Charlie is invading my lawn. What can I do?– Halton MG Cathy Kavassalis; Whats Growing On? Shelter in Place Gardening Events – Halton MG Claudette Sims

2020 – Cross-Pollination September 2020

• September Gardening To-Do List – Halton MG Claudette Sims; Spotlight on Beneficial Insects: –      ‘Create the right habitat & They Will Come!’ Halton MG Hariette Henry; Land of the Silver (White! Yellow! Gray!) Birch – Halton MG Allyn Walsh; Question of the Month – Urgent Help Needed! Bald-Faced Hornets, White Bumps & Black Tar on my Magnolia Tree: What’s wrong and what should I do?- Halton MG Cathy Kavassalis; Whats Growing On? Shelter in Place Gardening Events – Halton MG Claudette Sims

2020 – Cross Pollination August 2020

• August Gardening To-Do List – Halton MG Claudette Sims; The Maple Leaf Forever – Halton MG Allyn; Spotlight on Beneficial Insects: Parasitic Wasps – Halton MG Hariette Henry; Walsh; Question of the Month – What are these bugs on my squash plant? – Halton MG Cathy Kavassalis; Whats Growing On? Shelter in Place Gardening Events – Halton MG Claudette Sims

2020 – Cross Pollination July 2020

• July Gardening To-Do List – Halton MG Claudette Sims; Spotlight on Beneficial Insects: Common Green Lacewing (Chrysoperla carnea) – Halton MG Hariette Henry; The Acorn & the Oak Tree – Halton MG Allyn Walsh; Question of the Month – What are these beautiful flowers all over my lawn? (Dealing with Bindweed) – Halton MG Claudette Sims; Whats Growing On? Shelter in Place Gardening Events – Halton MG Claudette Sims

2020 – Cross Pollination June 2020

• June Gardening To-Do List – Halton MG Claudette Sims; Spotlight on Beneficial Insects: Fireflies / Lightning Bugs (Coleoptera: Lampyridae) – Halton MG Hariette Henry; A Woodland Scourge  Vinca minor  (Periwinkle) – Halton MG Allyn Walsh ; Question of the Month Help my Hydrangeas! Halton MGs Cathy Kavassalis & Claudette SimsWhats Growing On? Shelter in Place Gardening Events – Halton MG Claudette Sims

 2020 – Cross Pollination May 2020

• May Gardening To-Do List – Halton MG Claudette SimsSpotlight on Native Plants: Hedging Your Bets? …Try a Native – Halton MG Janet MackeyThe Problem With Privets – Halton MG Allyn WalshBeneficial Insects: Create the Right Habitat & They Will Come!: Ground Beetles – Halton MG Hariette HenryQuestion of the Month – What’s Making Holes in My Tree? –  Halton MG Claudette SimsWhats Growing On? Shelter in Place Gardening Events – Halton MG Claudette Sims

2020-Cross Pollination Newsletter April 2020

• April Gardening To-Do List – Halton MG Claudette Sims; The Amateur’s Guide to the Indoor Veggie Garden – Halton MG Dar Corrigan; Spotlight on Native Plants – Halton MG Claudette Sims; Question of the Month: Fungus Gnats on Houseplants – Halton MG Claudette Sims; What’s Growing On: Gardening is NOT Cancelled! – Halton MG Claudette Sims

2020-Cross Pollination Newsletter March 2020

• March Gardening To-Do List – Halton MG Claudette SimsImportance of Tropical Rainforests – Halton MG David Marshall;I Got Troubles Oh Oh!… Houseplant problem solving Part 2 -Halton MG Allyn WalshSpotlight on Native Plants – Groundcovers for Full Sun, Halton MG Janet MackeyQuestion of the Month – How do I prune my over-grown Wisteria? Halton MG Claudette SimsWhats Growing On? – a listing of events in our community, Halton MG Claudette Sims

2020 – Cross Pollination Newsletter February 2020

• February Gardening To-Do List, Halton MG Claudette SimsSpotlight on Native Plants – Native Plants for Dry Shade, Halton MG Janet MackeyThe Seeds are Alright! Halton MG Bev Wagar; I Got Troubles Oh Oh!… Houseplant problem solving, Halton MG Allyn WalshQuestion of the Month – Should I prune my trees in Winter? – Halton MG Cathy KavassalisWhats Growing On? – a listing of events in our community, Halton MG Claudette Sims

2019 – Cross Pollination Newsletter December 2019

• December Gardening To-Do List, Halton MG Claudette SimsSpotlight on Native Plants – Winterberry (Ilex verticilliata), Halton MG Janet MackeyChristmas Cactus (Schlumbergera truncata),  Halton MG Hariette HenrySelection of Gifts and/or Great Reads for Gardeners Published in 2019Question of the Month – Bulbs & Squirrels, Halton MG Donna ParkerThugs & Invasives Caveat Emptor! – The Dreaded Pirate (Herb) Robert – Halton MG Allyn WalshWhats Growing On? – a listing of events in our community, Halton MG Claudette Sims

2019 Cross Pollination Newsletter November 2019

• November Gardening To-Do List, Halton MG Claudette SimsSpotlight on Native Plants – Hop Hornbeam (Ostrya virginiana), Halton MG Janet MackeyCold-Moist Stratification of Seeds, Halton MG Patty KingQuestion of the Month – Fungus Gnats on Houseplants, Halton MG Cathy KavassalisThugs & Invasives Caveat Emptor! – Beautiful Bully, Chameleon Plant – Halton MG Allyn WalshWhats Growing On? – a listing of events in our community, Halton MG Claudette Sims

2019 Cross Pollination Newsletter October 2019

• October Gardening To-Do List – HMG Claudette SimsSpotlight on Native Plants : Ch​okeberry (​Aronia melanocarpa​) – HMG Janet MackeyWeeding’ Through Gardening Websites – courtesy of Emma Murphy, Peterborough Master GardenersThugs and Invasives: Caveat Emptor!:  Gooseneck loosestrife (Lysimachia clethroides)  HMG Allyn WalshWhat’s Growing On – Halton Master Gardener Events & Community Events –  MG HMG Claudette Sims

2019 Cross Pollination Newsletter September 2019

• September Gardening To-Do List – Claudette SimsSpotlight on Native Plants : Chelone glabra (White Turtlehead) – MG Janet MackeyThugs and Invasives: Caveat Emptor!: Nightmare on (Siberian) Elm Street –  MG Allyn WalshDo You Have a Passion for Gardening? Become a Master Gardener! Gardening BlundersQuestion of the Month: A Guide to Growing Hydrangeas – MGs Claudette Sims & Janet MackeyWhat’s Growing On: Halton Master Gardener Events & Community Events –  MG Claudette Sims

2019 Cross Pollination Newsletter August 2019

• August Gardening To-Do ListBerries in the Home Garden: Part 4 of 4 – Goji & Haskap  by MG Liza Drozdov10 Things to Know About Dog Strangling Vine – MG Janet MackeyGardening BlundersGrowing Gardeners: Enjoy some gardening activities with the younger gardeners in your life.Question of the Month: Can I spray soap on my plants to deal with pests? – by Cathy Kavassalis“What’s Growing On” Halton Master Gardener Events & Community Events – Halton MG Claudette Sims

 2019 Cross Pollination Newsletter July 2019

• July Gardening To-Do ListPart 3 of the 4-part series ‘Berries in the Home Garden, by Master Gardener Liza Drozdov’Shady Places: Cool & Calming Gardens’, by Master Gardener Allyn Walsh’Gardening Blunders: We Laugh, We Cry”What’s Growing On’: Gardening Events in our Community
  • AND MUCH MORE!

2019 Cross Pollination Newsletter June 2019

• June Garden ‘To Do List’ – Halton MG Claudette SimsFrom Seeds to Garden Transplants – Part 5 of a 5-Part Series ‘Other Types of Propagation’ -Halton MG  David MarshallBerries in the Home Garden: Part 2 of a 4-Part Series ‘Blueberries & Blackberries’  – Halton MG Liza DrozdovGardening BlundersJapanese Beetles in the Home Garden (Intro. & Link to article) – by Cathy Kavassalis“What’s Growing On” Halton Master Gardener Events & Community Events – Halton MG Claudette Sims

2019  Cross Pollination Newsletter May 2019

• May Garden ‘To Do List’ – Halton MG Claudette SimsFrom Seeds to Garden Transplants – Part 4 of 5 Part Series -Halton MG  David MarshallBerries in the Home Garden: Part 1 of 4 Part Series  – Halton MG Liza DrozdovGardening Blunders“What’s Growing On” Halton Master Gardener Events & Events in the Community – Halton MG Claudette Sims

2019 Cross Pollination Newsletter April 2019 

• From Seeds to Garden Transplants: Part 3 of 5 by Halton MG David MarshallInvasive Plant List Update – Halton MG Janet MackeyAll About Groundcovers – Halton MG Liza DrozdovMagnificent Monarchs: Special article from on of our wonderful newsletter subscribers.  Thanks, Karen & Paula E.!April Garden ‘To-Do’ List What’s Growing On? & Events in the Community – Halton MG Claudette Sims

2019 Cross Pollination Newsletter March 2019

• March Gardening To-Do ListThe Magic of MossFrom Seeds to Garden Transplants – Part 2 of 5Whats Growing On? – (Community Events)

2019 Cross Pollination Newsletter – February 2019

• February Gardening To Do ListFrom Seeds to Garden Transplants – Part 1 of 5Garden Design – Plants as MulchWhat’s Growing On? – Upcoming Halton Master Gardener EventsWhat’s Growing On?‘ – In Our Community

2018 Cross Pollination Newsletter December 2018

• December/January Garden ‘To-Do’ List
• Care of House Plants in the Winter
• Amaryllis
• Origin of the Spices
• What’s Growing On – (Community Events)

2018 Cross Pollination Newsletter – November 2018

• November Garden ‘To Do’ List
• Adding Biodiversity In Your Garden
• What’s the Buzz in the Garden
• What’s Growing On? (Community Events)

2018 Cross Pollination October 2018

• October Garden ‘To Do’ List
• A Tour of the New Rose Garden at the RBG
• The Stinking Rose (aka Garlic) – Start Now to Grow Your Own for Next Year
• What’s Growing On? – Halton Master Gardener Events and Gardening Events in the Community
• Information about our updated website, HaltonMasterGardeners.com & new Facebook account, @HaltonMGs
• Reader’s Challenge Quiz for October

2018   Cross Pollination Newsletter – September 2018

• September Garden ‘To Do’ List
• Canna Lillies
• Getting Burned in the Garden
• Question of the Month – Powdery Mildew
• What’s Growing On – Master Gardener & Community Gardening Events

2018     Cross Pollination Newsletter – August 2018

•           August Garden To Do List
•           Is your tree thirsty?
•           Getting to Know Ferns
•           What’s Growing on?
•           Feature email question –“Why are my zucchini squash only producing male flowers?”

2018       Cross Pollination Newsletter – July 2018

•           Your July garden “to do list”
•           Goldenrod- Prized or Despised?
•           Dog-Scaping
•           What’s Growing on?
•           Feature email question – What’s BUGGING you in the garden?

2018    Cross Pollination Newsletter – June 2018

• Your July garden “to do” list 
• Fireflies
• Creeping Charlie                                                                                                                                                                                                                                     
• Mason Bees                                                                                                                        
• How to plant a tree                                                                                                          
• Halton MG events Garden Events in the Halton area

2018   Cross Pollination Newsletter – April 2018

• April / May Garden To Do List
• Hummingbirds are on their way!
• Pest of the Month
• Squash Bugs
• Warm & Welcoming: ‘Halton Master Gardeners’ is a rare find!’
• What’s Growing On?
• Royal Botanical Gardens Speaker Series

2018   Cross Pollination Newsletter March 2018

• 2018 Perennial Plant of the Year
• March / April Garden To Do List
• Soil Basics  from Reference Manual for Ontario Master Gardeners
• What’s Growing on?
• Royal Botanical Gardens Speaker Series   Friday, May 4th at RBG
• Variety Flavour and Fun with Niki Jabbour

2017   Cross Pollination Newsletter November 2017

• How to Honour Our War Dead – As Fertilizer?
• Tears for the departed, but no sentiment for the dead.
• The Poinsettia: From Scrubby Shrub to Designer Darling
• Winterizing Evergreens
• Winter Entertainment in Your Own Back Yard
• Environment Hamilton’s Climate Change Survey

  2017   Cross Pollination Newsletter October 2017

• Monarch Awards 2017 Winner: Amy Taylor’s Garden of Delights
• Are You an Excessive Gardener or a Laid back One?
• Monarch or Viceroy?
• Home-grown Lies at the Farmers’ Market
• Halton Forest Festival
• Hamilton’s 97th Annual Fall Garden & Mum Show
• Halton Environment Network Invasive Species Removal Project
• Urquhart Butterfly Garden 2017 Photography Competition
• Hummingbirds!

2017   Cross Pollination Newsletter September 2017

• The Great Canada 150 Tulip Mystery Solved
• More on tomatoes
• Can  you name this insect
• Dealing with the Japanese beetle
• Ontario Greenway Program needs our help
• September Calendar
• The Wisdom of trees

2017   Cross Pollination Newsletter May 2017

• Canada 150   A celebration of red & white …  and orange?
• Original trees of the Hammer
• French Tarragon and the Russian  Imposter
• Garden Sharing – New Seed and Plant exchange launched
• An Invasive reminder (Garlic Mustard)
• Queen Rhubarb
• Plants Near Water
• A Day on the Bridge    June 11th 2017

2017   Cross Pollination Newsletter April 2017

• Georgia O’Keeffe at AGO – 22 April to 30 July
• April to-do list
• Monarch butterfly has been moved to “Endangered” status
• More butterfly & pollinator resources –  searchable database,
• Book Release: The Greenbelt – Protecting and Cultivating a Great Ontario Treasure

2017  Cross Pollination Newsletter February Edition

• 2017 Perennial Plant of the Year
• Seedy Saturday reminder
• Awesome Herbs for Bees, Benevolence, and Beauty
• February’s TO DO List

2016   Newsletter February Edition 2016

• How to Keep your Herbs Green and Healthy
• Sweet Cicely – Myrrhis Odorata. Culinary and Ornamental
• February  TO DO List

2016  Newsletter – January Edition 2016

• Designing gardens with Native Plants
• January  TO DO List

2015  Newsletter – September Edition 2015

• Road Signs in the Forest: Ancient GPS !
• September TO DO List

2015  Newsletter – June Edition 2015

• Wile E. Coyote (me) Versus the Deer
• June TO DO List
• What’s in a name?

2015  Newsletter – May Edition 2015

• Spring Garden Tips
• May TO DO List
• The Herb Garden – Thyme

2015   Newsletter – April Edition 2015

• Time and Tolerance in the Garden
• April TO DO List
• Dew of Sea or Rosemary

2015   Newsletter – March Edition 2015

• Starting Seeds Indoors
• March TO DO List
• The Wonderful Herb Parsley

2015   Newsletter – February Edition 2015

• Taking Care of your “Hippy” (Amaryllis)
• February TO DO List
• Common Problems with indoor house plants in winter

2014  Newsletter – Winter Edition 2014

• Tip of the Month – How to keep your gifts green
• January TO DO List
• Japanese Geisha Gardens

2014  Newsletter – May Edition 2014

• Replacing Damaged Trees
• May TO DO List
• Tip of the Month – Ten Tips to Successful Planting
  •  

2014   Newsletter – April Edition 2014

• Can You Guess our Mystery Spring Plants ?
• April TO DO List
• Tip of the Month – When and how to use Dormant Oil
• Halton Master Gardeners Speakers List
  •  

2014    Newsletter – March Edition 2014

• Treating Winter Damaged Trees
• March TO DO List
• Tip of the Month – How to start your seeds indoors.
• Halton Master Gardeners Speakers List
  •  

2013      Newsletter – November Edition 2013

• Winter Care for your plants
• Heavenly Herbs
• Spring Bulbs
• Our Halton Master Gardeners Website

 Newsletter – May 2013 Edition      

• Eastern White Pine : Pinus strobus L.
• Come Grow with Us
• Flowering Rosemary Any-one?
• The Opportunist
• Gardening with David
• Pruning Chart

Newsletter – March 2013 Edition

• Meet Kudzu
• Where Lilacs Still Bloom Book Review

Newsletter – February 2013 Edition

• Debate over maple leaf on new $20
• If you go into the woods. today..
• Shelf the salt and shake on the spices
  •  

 2012    Newsletter – November 2012 Edition

• Climate Change & Assisted Migration
• A Jewel in the Crown?
• Hydrangea Fact Sheet

Newsletter – September 2012 Edition

• Touring Dundurn Castle Grounds
• Portulacaceae oderacea or in other words Purslane
• Whistling Gardens
• Plants for the Dry Shade Garden

Newsletter – June 2012 Edition

• Brown Marmorated Stink Bug

Newsletter – May 2012 Edition

• Field and Stream Rescue
• About Hostas! – Hosta Forum at the RBG
• The Hapless Gardener’s Glossary of Terms

Newsletter – April 2012 Edition

• A Word about Peonies
• Philadelphia International Flower Show

Newsletter – March 2012 Edition    ** This issue has the wrong date!

• BOOK REVIEW:  Fifty Plants that Changed the Course of History
• A Bed-time Story – Accountants and their appraisal of beauty

Newsletter – January 2012 Edition

• Weather
• Emerald Ash Borer Update
• Toronto Tech Update, a commentary
  •  

 2011    Newsletter – November 2011 Edition

• Book Review  – How To Make A Garden
• Gardens of Quebec and the Maritimes

September 2011    

• Has gone missing  – if some one has a copy please forward it haltonmastergardeners@gmail.com

Newsletter – June 2011 Edition

• Persicaria japonica (Japanese knotweed)
• Nursery creates an innovative water recapture system
• Arisaema triphyllum   Jack-In the –Pulpit

Newsletter – May 2011 Edition

• Canada Blooms – and a little spark of Hope
• Lettuce Rejoice!

Newsletter – March 2011 Edition

2010     Newsletter – December 2010 Edition

• Book Review – Neotropica : Hawaii Tropical Flower + Plant Guide
• Book Review – Plants for All Seasons
• Christmas Then and Now

Newsletter – November 2010 Edition

• The MGOI website
• Fruiting bodies of three really interesting plants 

Newsletter – October 2010 Edition

• Arkansas Blue Star (Amsonia hubrichtii)
• Garden Quilts of Pennsylvania

Newsletter – September 2010 Edition

• Summer workshop –  Niagara Parks School of Horticulture
• A Garden tour to Ottawa

Newsletter – May 2010 Edition

• Royal Botanical Gardens’ Garden Show
• Stop and Smell the Roses

Newsletter – April 2010 Edition

• Monastic Gardens: a very short history
• An Incrediball Bloomerang of New Plants!
• Book Review – The Passionate Gardener

Newsletter – March 2010 Edition

Newsletter – February 2010 Edition

• Book Review – The Pruning Book
• Book Review – Shelmerdine Plant & Garden Guide
• Book Review – Flower Arranging – The American Way
  •  

 2009     Newsletter – November 2009 Edition

• The Real Reason that Leaves Change Colour in Autumn
• Community Supported Agriculture
• Guelph Technical Update – organic (sustainable) agriculture
• 2009 MGOI Co-Ordinators Conference

Newsletter – October 2009 Edition

• The Stinking Rose aka Garlic
• Karen’s blog on her Butterfly Garden
• Pomona, the Roman goddess of fruiting trees

Newsletter – September 2009 Edition

• What should we know about late blight?

Newsletter – May 2009 Edition

• Please do walk on the Grass!
• Book Review – The Sustainable Vegetable Garden
• How to build a Hens ‘n Chicks Shadow Box

Newsletter – April 2009 Edition

• Pollinators
• Book review – Growing Trees from Seed
• Biological control in your garden using native plants

Newsletter – February 2009 Edition

• Gardens in Northamptonshire and Yorkshire
• The Portable Greenhouse
• Winter Sowing, Outdoors? In Canada

Newsletter – January 2009 Edition

• The Joys of January Gardening
• Historical Garden Literature
• Grow Biointensively
  •  

2008      Newsletter – December 2008 Edition

• Winterizing tips
• Fertilizer Fundamentals 101

Newsletter – November 2008 Edition

• The 3 R’s for Master Gardener Groups: Recruitment, Retention and Recognition
• Kippax Gardens – Royal Botanical Gardens
• Brussels in bloom
• Giant Hogweed Alert
• A Rainforest Garden Adventure

Newsletter – October 2008 Edition

• Solutions to padding a gardener’s knees

Newsletter – September 2008 Edition

• Chicago, Gardens and Much Much More
• Dispelling the Myth – Books on Organic Gardening and Garden Remedies

Newsletter – May 2008 Edition

• Dilemmas in Spring
• Labrador Tea   (Rhododendron groenlandicum Oeder)
• 43rd IPM symposium at Landscape Ontario Congress
• Saskatoon Berry Jam and Saskatoon Berry Pie
• The Dominion Seed House
• Air Pollution Injures Trees
• Alliaria petiolata – garlic mustard

Newsletter – March 2008 Edition

• Photographs from Donna Parker’s trip to China
• Saskatoon Berry (Amelanchier alnifolia)

Newsletter – February 2008 Edition

• Gypsy Moths
• Sugar Maple (Acer saccharum)
• 43rd IPM symposium at Landscape Ontario Congress
• Oakville’s New Pesticide By-Law
• A Gardener’s Journey through China