When to plant Cantaloupe in Zone 3a
In Zone 3a, Cantaloupe: start seeds indoors around Apr 27–May 11; transplant outdoors around Jun 8–Jun 15; direct sow outdoors around Jun 1–Jun 15. Expect to harvest around Aug 20–Sep 3.
| Step | When |
|---|---|
| Start seeds indoors | Apr 27 – May 11 |
| Transplant outdoors | Jun 8 – Jun 15 |
| Direct sow outdoors | Jun 1 – Jun 15 |
| Harvest | Aug 20 – Sep 3 |
| Harvest | Aug 27 – Sep 3 |
Tip: Ripe when it slips easily from the vine and smells sweet at the stem end.
Zone 3a averages a last spring frost around May 25 and a first fall frost around Sep 8. These are zone averages — look up your ZIP for your exact area.
See the full Zone 3a calendar in the tool →