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Can You Grow Calendula in Oklahoma?

US · USDA Zone 7a · zones 6a, 6b, 7a, 7b

Grows well here

Calendula grows well here and is one of the easiest, most useful companion flowers — it reseeds freely.

Plant zones

2a–11b

Oklahoma last frost

early March

Oklahoma first frost

late November

Days to harvest

50–70 days

When to plant Calendulas in Oklahoma

Direct sow

Oct 1 – Oct 31

Harvest

Jun – Jul (following year)

Dates are approximate, based on Oklahoma's average frost dates. Your exact yard may vary by microclimate.

About Calendula

Calendula (pot marigold) is a cheerful, easy annual flower with edible petals — a pollinator magnet and a classic companion plant that repels pests throughout the garden.

Direct sow after last frost or start indoors 4 weeks earlier. Deadhead to keep it blooming. Edible petals brighten salads and are used in natural salves.

Full calendula growing guide →

Gardening in Oklahoma

Oklahoma ranges from Zone 6a in the Panhandle to Zone 7b in the southeast. Hot summers and mild winters. Long growing season for warm-season crops.

See what grows well in Oklahoma →

Frequently asked questions

Can you grow Calendula in Oklahoma?

Calendula grows well here and is one of the easiest, most useful companion flowers — it reseeds freely.

What zone is Oklahoma?

Oklahoma spans USDA Zone 7a (6a, 6b, 7a, 7b).

When do you plant Calendulas in Oklahoma?

Plant Calendulas Oct 1 – Oct 31, harvest Jun – Jul (following year).