How to grow zinnias

Zinnia elegans · asteraceae family · annual crop

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

Growing basics

Zinnia is a warm-season crop, started from seed in the garden or transplanted.

Seeds germinate once soil reaches about 70°F.

Varieties in the library run 75 to 90 days to maturity.

Grows best in full sun.

Frost-tender: plants go out after the last frost.

Space plants 9 to 12 inches apart.

Sources

UF/IFAS Extension, Zinnias for Florida
NC State Extension, Zinnia elegans
University of Minnesota Extension, Starting Seeds Indoors

3 zinnias in the library

Benary's Giant · State Fair Mix · Lilliput

Each has a full cited page in the library.

Pests and diseases we cover

Aphid
Japanese beetle
Two-spotted spider mite
Powdery mildew

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

Row & Bed covers 3 zinnia varieties, each with a cited care timeline and fertilization schedule, identification and treatment for the 3 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.