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Can You Grow Calendula in Ohio?

US · USDA Zone 5b · zones 5a, 5b, 6a

Grows well here

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

Plant zones

2a–11b

Ohio last frost

early April

Ohio first frost

late October

Days to harvest

50–70 days

When to plant Calendulas in Ohio

Direct sow

Oct 1 – Oct 31

Harvest

Jun – Jul (following year)

Dates are approximate, based on Ohio'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 Ohio

Ohio has a humid continental climate. Northern Ohio near Lake Erie is Zone 6a; inland areas are Zone 5b. Four seasons with a productive 6-month growing window.

See what grows well in Ohio →

Frequently asked questions

Can you grow Calendula in Ohio?

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

What zone is Ohio?

Ohio spans USDA Zone 5b (5a, 5b, 6a).

When do you plant Calendulas in Ohio?

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