When to plant Chives in Zone 4b
In Zone 4b, Chives: start seeds indoors around Mar 15–Mar 29; transplant outdoors around Apr 26–May 10. Expect to harvest around Jul 15–Jul 29.
| Step | When |
|---|---|
| Start seeds indoors | Mar 15 – Mar 29 |
| Transplant outdoors | Apr 26 – May 10 |
| Harvest | Jul 15 – Jul 29 |
Tip: A hardy perennial — one clump returns for years. Snip often to keep it tender.
Zone 4b averages a last spring frost around May 10 and a first fall frost around Sep 22. These are zone averages — look up your ZIP for your exact area.
See the full Zone 4b calendar in the tool →