Grow More Food Without a Bigger Garden: Season Extension Made Simple

What if you could get more harvests from your vegetable garden without making it any bigger?

One way is to extend the growing season. By protecting crops from the cold, you can start earlier in spring, keep harvesting later into fall, and sometimes even harvest through winter.

And you don't need a greenhouse to get started.

In this episode of the Food Garden Life Show, I chat with Sonja Peters of Greenbush Greenhouses and Farm in British Columbia's North Okanagan.

Sonja has spent more than 20 years working in horticulture, including greenhouse production and consulting. She shares practical ways to extend the growing season, from simple floating row covers to low tunnels, cold frames, and greenhouses.

We also talk about choosing the right protection for your climate, making the most of warmer spots in your garden, and why combining layers of protection can make a difference.

In this episode:

  • Why season extension is a way to grow more food without expanding your garden

  • How floating row covers work and the protection they provide

  • Simple materials for building low tunnels

  • When to consider a hoop house or greenhouse

  • How to combine row covers and tunnels for extra protection

  • Using cold frames to start earlier and harvest later

  • Making use of warmer microclimates around your home

  • Why it's important to monitor temperatures under covers

  • How row covers can also help with pest management

About Sonja Peters

Sonja Peters is a horticulturist, greenhouse grower, and consultant based near Lumby, British Columbia.

She has more than 20 years of experience in horticulture, including commercial greenhouse production, plant propagation, and pest management consulting.

Sonja and her partner, Dave, operate Greenbush Greenhouses and Farm, where they grow plants, offer custom growing services, and share gardening knowledge through workshops and consulting.


Steven Biggs

Recognized by Garden Making magazine as one of the "green gang" of Canadians making a difference in horticulture, Steven Biggs is a horticulturist, former college instructor, and award-winning broadcaster and author. His passion is helping home gardeners grow food in creative and attractive ways.


He’s the author of eight gardening books, including the Canadian bestseller No Guff Vegetable Gardening. His articles have appeared in Canada’s Local Gardener, Mother Earth News, Fine Gardening, Garden Making, Country Guide, Edible Toronto, and other magazines.


Along with over 30 years working in the horticultural sector and a horticultural-science major at the University of Guelph, Steven’s experience includes hands-on projects in his own garden including wicking beds, driveway strawbale gardens, and a rooftop tomato plantation—to the ongoing amusement of neighbours.


When not in the garden, you might catch him recording his award-winning Food Garden Life podcast or canoeing in Algonquin Park.

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Wicking Beds: Watering from the Bottom Up