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Nasturtium

Tropaeolum majus

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Nasturtium is a vibrant annual flower with round leaves and bright orange, red, or yellow blooms that bloom prolifically throughout summer. Known for its edible flowers and peppery-tasting leaves, it's a favorite in cottage gardens and container plantings. The plant attracts pollinators and naturally repels certain pests, making it popular with organic gardeners.

Nasturtium

Common Problems

Select the problem your Nasturtium is experiencing to get a treatment guide.

Yellow Leaveschevron_right

Overwateringchevron_right

Leggy Growthchevron_right

Slow Growthchevron_right

Care Guide

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Light

Full sun to partial shade; prefers 6+ hours of direct sunlight daily

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Water

Water moderately when soil surface feels dry; reduce watering in cooler months

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Soil

Well-draining, fertile soil; tolerates poor soil but blooms better with moderate fertility

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Fertiliser

Light feeding; too much nitrogen reduces flowering; feed every 3–4 weeks with balanced fertilizer

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Temperature

Prefers warm conditions between 55–75°F (13–24°C)

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Humidity

Moderate humidity; tolerates dry air but benefits from occasional misting

Toxicity

check_circleSafe for Catscheck_circleSafe for DogsdangerousToxic to Children

Leaves and seeds contain glucosinolates which can cause mild gastrointestinal upset if consumed in large quantities

Common Diseases

coronavirusPowdery Mildewchevron_right coronavirusLeaf Spotchevron_right

Common Pests

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Seasonal Care

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Resume regular watering and feeding as growth picks up.

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Peak growing season. Water and feed regularly.

ecoautumn

Reduce watering as growth slows. Stop heavy feeding.

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Minimal watering and feeding. Protect from frost if needed.

Nasturtium Care Guide — Tropaeolum majus | GreenScout