How to grow calendulas

Calendula officinalis · asteraceae family · annual crop

Calendula — hero (AI-generated reference image) — AI-generated reference image. Have a photo of this plant? Suggest one below.

Growing basics

Calendula is a cool-season crop, started from seed in the garden or transplanted.

Seeds germinate once soil reaches about 50°F.

Varieties run about 70 days to maturity.

Grows best in full sun.

Tolerates a light frost.

Space plants 8 to 12 inches apart.

Sources

Johnny's Selected Seeds, Calendula Growing Guide
Oregon State University Extension, Growing Calendula

3 calendulas in the library

Pacific Beauty · Resina · Fiesta Gitana

Each has a full cited page in the library.

Pests and diseases we cover

Aphid
Whitefly
Powdery mildew

Identification and treatment for each, with photos, in the library.

Row & Bed covers 3 calendula varieties, each with a cited care timeline and fertilization schedule, identification and treatment for the 2 pests and disease that reach them, and planting windows worked out for your ZIP.

Set up your garden

See something that does not match your garden? Write to andy@rowandbed.com.