DibbleWhen to plant Spinach
Sow spinach 6 weeks before last frost, it thrives in cold soil and bolts in heat. Succession sow for spring and fall harvests.
When to plant Spinach by zone
| Zone | Start seeds indoors | Sow or transplant | Harvest |
|---|---|---|---|
| Zone 3 | not needed | April 3 | May 18 |
| Zone 4 | not needed | March 29 | May 13 |
| Zone 5 | not needed | March 19 | May 3 |
| Zone 6 | not needed | March 10 | April 24 |
| Zone 7 | not needed | February 27 | April 13 |
| Zone 8 | not needed | February 14 | March 31 |
| Zone 9 | not needed | January 18 | March 4 |
| Zone 10 | not needed | December 20 | February 3 |
| Zone 11 | not needed | November 20 | January 4 |
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 Spinach:
Family and rotation
Spinach is in the amaranths family. Beets and chard/spinach. Rotate from the leaf/root slot. Learn about crop rotation.
Related crops
Beet
When to plantSwiss Chard
When to plantTomato
When to plantPepper
When to plantPotato
When to plantOnion
When to plantQuestions
When should I plant spinach?
It depends on your zone. Spinach 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 spinach take to grow?
About 45 days from sowing to the first harvest, with a picking window of roughly 21 days after that.
What grows well with spinach?
Good companions include Radish, Pea, Onion.
Plant at the right time this season
Dibble builds your calendar in under a minute. Free to start, no account needed.