Home › Crops › Spinach › Zone 4a
When to plant spinach in Zone 4a
In Zone 4a, direct-sow around April 6 – April 20. For a fall crop, sow around July 23 – August 6.
Your spinach timeline — Zone 4a
| Direct-sow | April 6 – April 20 |
|---|---|
| Sow for fall | July 23 – August 6 |
| Zone 4a last frost | ~05/14 |
| Zone 4a first frost | ~09/27 |
Direct-sow 3–6 weeks before the last frost. [src]Cited: University of New Hampshire Cooperative Extension — “Growing Vegetables: When to Plant Your Vegetable Garden”
Dates computed from Zone 4a's median NOAA frost normals and the cited rule. Your town may differ by a week or two — check your exact ZIP.
What you'll need
Affiliate links — as an Amazon Associate we may earn from qualifying purchases, at no extra cost to you.
Last verified 2026-07-16. Frost: NOAA NCEI 1991–2020. Zone: USDA 2023. Rule: University of New Hampshire Cooperative Extension — “Growing Vegetables: When to Plant Your Vegetable Garden”; UGA Extension (days to maturity).