When to Plant Radishes in Vancouver, BC
Published: April 24, 2026 · Updated: April 27, 2026
The fastest crop in the garden — ready in 22–30 days. Direct sow 4–6 weeks before last frost and succession plant every 2 weeks for a continuous spring harvest.
Vancouver's Canadian Zone 8a (USDA 8a) Pacific Maritime climate delivers mild wet winters and warm dry summers — Canada's most productive vegetable growing climate. With 274 frost-free days, year-round gardening is possible for hardy crops. Hardy brassicas, kale, and chard produce through winter; tomatoes need warm sheltered spots or polytunnels.
Radishes Planting Calendar for Vancouver
Direct sow outdoors: January 25–February 4
Harvest window: February 16 – February 24
Minimum soil temperature: 4°C (40°F)
Days to harvest: 22–30 days
Sun requirement: Full sun to partial shade
Fall crop planting: October 27–November 6 (harvest November 18)
⚠ Direct sow radishes 4–6 weeks before last frost — one of the fastest crops in the garden. Ready in as little as 22 days. Succession plant every 2 weeks for continuous harvest.
Vancouver Climate Notes
Vancouver is Canada's gardening capital. Year-round growing is possible for hardy crops. Tomatoes need warm, sheltered spots or polytunnels for reliable ripening because summer nights are often cool. Slugs and powdery mildew are primary pest and disease challenges. Fall planting for winter harvest is a signature Vancouver technique that has no equivalent elsewhere in Canada.
Growing Tips for Radishes
- Thin to 2-inch spacing when seedlings are an inch tall — crowded radishes produce small woody roots.
- Succession plant every 10–14 days from early spring through late spring for continuous harvest.
- Plant as a row marker for slow-germinating crops like carrots — radishes sprout in days and mark the rows.
- Harvest promptly at target size; over-mature radishes turn pithy, woody, and unpleasantly hot.
Companion Planting in Vancouver
Pair radish with Lettuce, Carrot, Pea, Cucumber for mutual benefit. Avoid planting near Hyssop, Grape, which compete with or inhibit radish growth.
Pests and Problems to Watch in Vancouver
The most common pest and disease pressure on radishes in Vancouver comes from Flea Beetle, Cabbage Root Maggot, Aphid. Floating row covers through the first 4–6 weeks after planting block adult pests from laying eggs, and a weekly scouting routine catches infestations before they damage the crop.
Other British Columbia Cities
Frequently Asked Questions
When do I plant radish in Vancouver?
Vancouver's last spring frost is around March 1. Direct sow January 25–February 4.
What Canadian hardiness zone is Vancouver?
Vancouver is in Canadian Zone 8a (USDA equivalent 8a). The Pacific Maritime climate delivers 274 frost-free days from March 1 to December 1, which shapes every planting date in the local calendar.
How long is Vancouver's growing season?
Vancouver has 274 frost-free days — from March 1 in spring to December 1 in fall. That is more than enough time to finish a full radish crop (22–30 days to maturity) before the first fall frost.
Can I grow radish in containers in Vancouver?
Yes. Container growing on balconies and decks is practical in Vancouver — choose a 5-gallon or larger dark-coloured container to warm the root zone, use a high-quality potting mix, and water daily during hot summer weather. In milder climates, containers extend both spring and fall windows by several weeks.
What is the first fall frost in Vancouver?
Vancouver's average first fall frost is December 1. For a fall radish crop, plant around October 27–November 6 so plants mature before the first killing frost.