When to plant Calendula
Sow a couple of weeks before last frost, it shrugs off cool weather. Deadhead the edible petals for months of bloom.
When to plant Calendula by zone
| Zone | Start seeds indoors | Sow or transplant | Harvest |
|---|---|---|---|
| Zone 3 | not needed | May 1 | June 20 |
| Zone 4 | not needed | April 26 | June 15 |
| Zone 5 | not needed | April 16 | June 5 |
| Zone 6 | not needed | April 7 | May 27 |
| Zone 7 | not needed | March 27 | May 16 |
| Zone 8 | not needed | March 14 | May 3 |
| Zone 9 | not needed | February 15 | April 6 |
| Zone 10 | not needed | January 17 | March 8 |
| Zone 11 | not needed | December 18 | February 6 |
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 Calendula:
Family and rotation
Calendula is in the asters family. Lettuce and many flowers. Marigolds and zinnias are excellent companions throughout the garden. Learn about crop rotation.
Related crops
Lettuce
When to plantDahlia
When to plantZinnia
When to plantSunflower
When to plantMarigold
When to plantCosmos
When to plantQuestions
When should I plant calendula?
It depends on your zone. Calendula is a half-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 calendula take to grow?
About 50 days from sowing to the first harvest, with a picking window of roughly 90 days after that.
What grows well with calendula?
Good companions include Tomato, Carrot.
Plant at the right time this season
Dibble builds your calendar in under a minute. Free to start, no account needed.