DibbleGrowing marigolds: from seed to harvest
Start seeds indoors about 6 weeks before planting out, and transplant once nights are no longer cold. A classic companion that deters many pests. Deadhead for steady blooms.
Planting dates for marigolds by zone
| Zone | Start seeds indoors | Sow or transplant | Harvest |
|---|---|---|---|
| Zone 3 | April 30 | June 11 | July 30 |
| Zone 4 | April 21 | June 2 | July 17 |
| Zone 5 | April 11 | May 23 | July 9 |
| Zone 6 | April 6 | May 18 | July 8 |
| Zone 7 | March 24 | May 5 | June 22 |
| Zone 8 | February 27 | April 10 | May 28 |
| Zone 9 | February 3 | March 17 | April 29 |
| Zone 10 | February 5 | March 19 | March 29 |
| Zone 11 | January 1 | January 1 | 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 Marigold:
Family and rotation
Marigold 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 plantCosmos
When to plantCalendula
When to plant
Questions
When should I plant marigolds?
It depends on your zone. Marigold 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 set where your garden is to get your own calendar.
How long does it take to grow marigolds?
About 50 days from transplant to the first harvest, with a picking window of roughly 90 days after that.
What grows well with marigolds?
Good companions include Tomato, Pepper, squash, Bean (bush).
Plant at the right time this season
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