When to Plant Leeks in Comox Valley, BC
Leeks are a mild, sweet allium that produces long white shanks. They are more refined than onions and are a key ingredient in soups, stews, and gratins.
Comox Valley, British Columbia is in USDA Zone 8b. The average last spring frost is March 24 and the first fall frost is November 6, giving you a growing season of approximately 227 days.
At an elevation of 59 feet, Comox Valley receives approximately 53.6 inches of rainfall annually with predominantly podzolic loam soil. Summer highs average 92°F, providing good warmth for Leeks during the growing season. Ample rainfall means less supplemental watering, but ensure good drainage to prevent Leeks root diseases.
Comox Valley Soil Profile
Soil Type
Podzolic Loam
Soil pH
6.0-7.0
Drainage
Well Drained
Leeks Planting Timeline — Comox Valley, BC
Leeks Planting Calendar
| Activity | When | Date Range |
|---|---|---|
| Start Indoors | February 17 | Feb 17 – Mar 3 |
| Transplant Outdoors | March 24 | Mar 24 – Apr 7 |
| Direct Sow | March 10 | Mar 10 – Mar 31 |
| Harvest | June 23 | Jun 23 – Sep 8 |
| Fall Sowing | August 28 | Aug 28 – Sep 11 |
Plant 1" deep · 15" apart · Rows 24" apart
Month-by-Month Timeline
| Month | Activities |
|---|---|
| January | — |
| February | Start Indoors |
| March | Start Indoors Transplant Outdoors Direct Sow |
| April | Transplant Outdoors |
| May | — |
| June | Harvest |
| July | Harvest |
| August | Fall Sowing Harvest |
| September | Fall Sowing Harvest |
| October | — |
| November | — |
| December | — |
Growing Conditions
☀️ Sun
Full Sun (6-8+ hours)
💧 Water
Moderate — regular watering
📅 Days to Maturity
90–150 days
🧪 Soil pH
Needs 6–7 · Your soil: N/A
🗺️ USDA Zone
Zone 8b
📆 Growing Season
227 days in Comox Valley
Growing Tips for Comox Valley
Start seeds indoors 10-12 weeks before last frost. Transplant into trenches and hill soil around stems as they grow to increase the white portion. Harvest as needed.
Companion Planting
Good Companions
Avoid Planting Near
Check more plant combinations with our Companion Planting Checker →
Leeks in Other Locations
Frequently Asked Questions
When should I plant Leeks in Comox Valley, BC?
Comox Valley is in Zone 8b with an average last frost of March 24. Plan your Leeks planting based on this frost date — see the calendar above for exact timing.
What planting zone is Comox Valley, BC?
Comox Valley, British Columbia is in USDA Hardiness Zone 8b. The average last spring frost is March 24 and first fall frost is November 6.
Your Comox Valley Garden Planner — Free
A 22-page printable planner built for Comox Valley (Zone 8b). Planting dates, a month-by-month schedule, harvest log, seed inventory, and succession charts — all dialed in for your exact growing season.