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Plant library

Pollinators · Warm season

Nasturtium

Compact or trailing garden nasturtium

Nasturtium
Photo reference
Sun

Full sun; tolerates light afternoon shade in hot weather

Water

Moderate; allow the soil surface to dry slightly between waterings

Spacing

10–12 in

Difficulty

Easy

Planting and care

How to grow nasturtium

When to grow

Warm season · Annual

How to start

Direct seed after frost or carefully transplant without disturbing roots

Mature size

About 10–15 in tall with vines trailing 1–3 ft, cultivar-dependent

Time to harvest

Usually flowers about 55–70 days from seed

Feeding needs

Light feeder

Growth habit

Pollinator Trailing

Harvest and kitchen use

Leaves and flowers of properly identified, unsprayed garden nasturtiums are edible and peppery

Nutrition and garden value

Edible flowers and leaves provide small amounts of vitamin C and add color and flavor

Provides a trailing flowering edge and floral resources for pollinators and beneficial insects

Common challenges and troubleshooting

Aphids, cabbageworms and heat-related decline; overly rich soil can produce leaves with fewer flowers

Safety note

Use only correctly identified, pesticide-free edible plants; seeds should not be eaten in large quantities