DibbleGrowing calendula: from seed to harvest
Sow in the cool part of the year; calendula shrugs off cool weather. Deadhead often (the petals are edible) for months of bloom.
Planting dates for calendula by zone
| Zone | Start seeds indoors | Sow or transplant | Harvest |
|---|---|---|---|
| Zone 3 | not needed | April 22 | June 10 |
| Zone 4 | not needed | April 15 | June 2 |
| Zone 5 | not needed | April 8 | May 25 |
| Zone 6 | not needed | March 28 | May 19 |
| Zone 7 | not needed | March 7 | April 28 |
| Zone 8 | not needed | January 9 | February 20 |
| Zone 9 | not needed | September 23 | February 20 |
| Zone 10 | not needed | September 18 | February 20 |
| Zone 11 | not needed | October 17 | February 20 |
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 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 plant
Questions
When should I plant calendula?
It depends on your zone. Calendula 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 calendula?
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.