DibbleGrowing leeks: from seed to harvest
Start indoors 10 weeks before last frost. Transplant into a deep hole and hill soil up the stem to blanch the white shanks.
Planting dates for leeks by zone
| Zone | Start seeds indoors | Sow or transplant | Harvest |
|---|---|---|---|
| Zone 3 | March 6 | May 1 | August 29 |
| Zone 4 | March 1 | April 26 | August 24 |
| Zone 5 | February 19 | April 16 | August 14 |
| Zone 6 | February 10 | April 7 | August 5 |
| Zone 7 | January 30 | March 27 | July 25 |
| Zone 8 | January 17 | March 14 | July 12 |
| Zone 9 | December 21 | February 15 | June 15 |
| Zone 10 | November 22 | January 17 | May 17 |
| Zone 11 | October 23 | December 18 | April 17 |
These dates use typical frost dates for each zone. Dibble tunes them to your exact ZIP and lets you adjust frost dates for your own yard.
Companion plants
Good neighbors for Leek:
Better kept apart:
Family and rotation
Leek is in the alliums family. Light feeders that deter pests. Good rotation partners; keep away from beans and peas. Learn about crop rotation.
Related crops
Onion
When to plantGarlic
When to plantChives
When to plantGreen Onion
When to plantShallot
When to plantTomato
When to plant
Questions
When should I plant leeks?
It depends on your zone. Leek is a hardy crop, so the timing follows your last spring frost. Look up your zone in the table below for exact start, sow, and harvest dates, or open Dibble and enter your ZIP to get your own calendar.
How long does it take to grow leeks?
About 120 days from transplant to the first harvest, with a picking window of roughly 45 days after that.
What grows well with leeks?
Good companions include Carrot, Celery, Onion. Keep it away from Bean (bush), Pea.
Plant at the right time this season
Dibble builds your calendar in under a minute. Free to start, no account needed.