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Growing calendula: from seed to harvest

Sow a couple of weeks before last frost, it shrugs off cool weather. Deadhead the edible petals for months of bloom.

Type: FlowersSun: Full sunWater: Low waterDays to maturity: 50Spacing: 10"Hardiness: Half-hardy

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Planting dates for calendula by zone

Planting dates for calendula by zone
ZoneStart seeds indoorsSow or transplantHarvest
Zone 3not neededMay 1June 20
Zone 4not neededApril 26June 15
Zone 5not neededApril 16June 5
Zone 6not neededApril 7May 27
Zone 7not neededMarch 27May 16
Zone 8not neededMarch 14May 3
Zone 9not neededFebruary 15April 6
Zone 10not neededJanuary 17March 8
Zone 11not neededDecember 18February 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:

TomatoCarrot

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

Questions

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 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

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