DibbleGrowing spinach: from seed to harvest
Sow spinach in the cool part of the year: it thrives in cool soil and bolts quickly in heat or long days. Sow again every 2 weeks while it stays cool, and stop when the weather warms.
Planting dates for spinach by zone
| Zone | Start seeds indoors | Sow or transplant | Harvest |
|---|---|---|---|
| Zone 3 | not needed | April 17 | May 31 |
| Zone 4 | not needed | April 10 | May 23 |
| Zone 5 | not needed | April 3 | May 17 |
| Zone 6 | not needed | March 23 | May 9 |
| Zone 7 | not needed | March 1 | April 17 |
| Zone 8 | not needed | October 6 | February 15 |
| Zone 9 | not needed | October 20 | February 15 |
| Zone 10 | not needed | October 19 | February 15 |
| Zone 11 | not needed | December 12 | January 26 |
Each date is the start of the best window from the same climate engine the Dibble app uses, run at typical places in each zone. Dibble tunes them to your garden's own location 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 plant
Questions
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 set where your garden is to get your own calendar.
How long does it take to grow spinach?
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.