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How to grow nasturtiums

Tropaeolum majus · other family · annual crop

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

Growing basics

Nasturtium is a warm-season crop, usually direct-sown in the garden.

Seeds germinate once soil reaches about 55°F.

Varieties in the library run 55 to 60 days to maturity.

Grows best in full sun.

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

Space plants about 10 inches apart.

Sources

3 nasturtiums in the library

Jewel Mix · Alaska · Empress of India

Each has a full cited page in the library.

Pests and diseases we cover

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

Row & Bed covers 3 nasturtium 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.