When to plant Beet in Zone 3b
In Zone 3b, Beet: direct sow outdoors around Apr 22–May 20; direct sow outdoors around Jul 4–Jul 18. Expect to harvest around Jun 16–Jul 14.
| Step | When |
|---|---|
| Direct sow outdoors | Apr 22 – May 20 |
| Direct sow outdoors | Jul 4 – Jul 18 |
| Harvest | Jun 16 – Jul 14 |
| Harvest | Aug 28 – Sep 11 |
Tip: Each seed cluster sends up several plants — thin early so roots have room to size up.
Zone 3b averages a last spring frost around May 20 and a first fall frost around Sep 12. These are zone averages — look up your ZIP for your exact area.
See the full Zone 3b calendar in the tool →