Canada AM gardening expert Mark Cullen shares his tips to help you choose the perfect rose bouquet for Valentine's Day. Full Story
Canada AM gardening expert Mark Cullen shares his best tips to help you grow and care for orchids.
Canada AM gardening expert Mark Cullen reaches into his email and answers your biggest gardening questions.
Canada AM gardening expert Mark Cullen shares his tips on online gardening and reveals his best picks of blogs, websites, podcasts and more.
Canada AM gardening expert Mark Cullen shares tips on plant cuttings and starting seeds for spring.
Each year there is a raft of new products launched in an attempt to bring Canadians greater satisfaction from the gardening experience. 2012 is no different!
Gardening expert Mark Cullen shares his tips on keeping indoor plants healthy during the holidays.
Canada AM gardening expert Mark Cullen reveals his top holiday gift picks for the gardeners in your life.
Canada AM gardening expert Mark Cullen shows you how to pick the perfect Christmas tree and how to take care of it during the holidays.
Canada AM's gardening expert Mark Cullen reveals his best tips to winterize your roses and help them survive the cold weather ahead.
Canada AM's gardening expert Mark Cullen reveals his best tips on putting your garden to bed for the winter.
Canada AM gardening expert Mark Cullen shares his best tips on planting flowering spring bulbs.
Canada AM gardening expert Mark Cullen shows you how to rid your yard of fall leaves and make them work for you all winter long.
Canada AM's gardening expert Mark Cullen reveals the perfect time to prune flowers, trees and shrubs.
Canada AM gardening expert Mark Cullen blogs about one young man's decision to return to the land and take over the family farm.
Canada's Agriculture Minister Gerry Ritz submitted this guest blog on the family farm and the importance of encouraging young people to take up farming as a career.
There are many plants that 'peak' in the autumn. Fall flowering mums, New England Asters, many Rudebeckia, Sedum (Stonecrop) and even late planted pansies, as well as ornamental cabbages and kale. These are considered winter hardy in most parts of Canada.
Canada AM gardening expert Mark Cullen offers some key tips on planting trees properly and ensuring they survive and thrive.
Canada AM's gardening guru offers key tips and suggestions when shopping for a tree to add structure and shade to your urban property.
Mark Cullen blogs about the importance of urban forestry and protecting the living 'building blocks' of our cities.
The emerald ash borer first became a problem in Canada in Windsor Ontario in 2002. Since then it has spread to London, Toronto, Ottawa and Montreal.
It may be straightforward enough to pick a tomato when it is ripe. Just wait for it to turn red. However, it is important to also know that your tomatoes need to be picked regardless of whether you need them or plan to use them.
The sight of bugs on your begonias or aphids on your asters generally solicits a response from us that urges us to reach for a bottle or can of pest control of some kind. I ask you to resist this urge and think instead of ways that you can trap the bad guys in an effort to bring the 'problem' under control.
As we enter the second half of the gardening season most of the country is feeling the effects of a long, hot summer. Many plants and most lawns that have not received regular watering are stressed and not looking their best. Here are some tips to perk up your lawn and plants.
Canada AM's gardening expert Mark Cullen shares his tips on cutting flowers from the garden and taking them indoors to enjoy.
Trees are the most under appreciated asset in our towns and cities. I say this as there are so many attributes that trees 'bring to the table' that are simply overlooked.
Gardening in Britain goes back over 500 years. Not quite as far as the monarchy (1060) but then, not much does go back that far. Mark Cullen explains...
The following guest blog was written by Bev MacPhail, chief horticulturist at the Halifax Public Gardens.

Mark Cullen
Mark Cullen is a "garden communicator" unlike any other. Aiming to help horticulturalists of all skill levels, he writes books, hosts his own TV and radio shows, blogs and writes for print publications, and of course, appears weekly on Canada AM.
Canada AM is a production of CTV News, and is Canada’s most-watched morning news program.