When to plant spinach in zone 4
In USDA zone 4, the last spring frost usually falls between May 1 and May 20. Sow or plant spinach around Apr 3 to May 16. Expect to harvest around Jun 3 to Jul 22.
Zone 4 dates for spinach
| Sow or plant outside | Apr 3 to May 16 |
|---|---|
| Harvest | Jun 3 to Jul 22 |
| Typical last spring frost | May 1 to May 20 |
| Typical first fall frost | around Sep 15 |
USDA zones measure winter cold, not frost dates, so these are typical dates for the zone. Towns in the same zone can be weeks apart.
Get dates for spinach in your exact town, not just your zone.
Get my dates free →How to grow spinach
Fast, cold-hardy greens for spring & fall. Read the full spinach growing guide: spacing, sun and soil, step-by-step care, problems and the best varieties.