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Flame Nasturtium

Tropaeolum speciosum

Also called Scottish Flameflower, Chilean Flame Creeper, Flame Flower

Flame Nasturtium
Photo: Scott Zona from Miami, Florida, USA, CC BY 2.0

A hardy tuberous climber from Chile that scrambles through other plants to reach sun and produces scarlet, funnel-shaped flowers. It is considered difficult, and success depends on a cool, moist root run and shelter from prolonged snow.

Family
Tropaeolaceae (Tropaeol family)
Grows as
Climber, Bulb
Light
Full sun
Water
Keep the root run cool and consistently moist during the growing season, and let it dry out gently when dormant.
Soil
Acid to neutral, humus-rich, well-drained but moist soil.
Temperature
Hardy to about −12 °C; protect from lengthy snow cover.
How easy
Hard
Native range
SC. & S. Chile
Climate
temperate

About

Tropaeolum speciosum, the flame flower or flame nasturtium, is a species of flowering plant in the family Tropaeolaceae native to Chile, where it is known locally as coralito, quintralito, or voqui.

How to grow it

The flame flower is not considered easy to grow. In some places it thrives and in others it fails completely. It does particularly well in New Zealand and Scotland. It has been called the "Scottish flame flower" and the "glory of the Highlands". It will grow in full sun or partial sun but likes a cool moist root run and is suited to acid or neutral soils. It can be propagated from seed or by division. The plant cannot tolerate lengthy periods of snow cover but is hardy down to a temperature of about −12 °C (10 °F). It is in USDA Hardiness Zone 8. It must be considered as such because during dormancy it generally retreats to a small underground tuber, where frost often does not penetrate.

This plant has gained the Royal Horticultural Society's Award of Garden Merit.

Other Tropaeolum plants

Tropaeolum beuthii · Tropaeolum incisum · Nasturtium · Canary Creeper · Tropaeolum tricolor · Anu · Nasturtium

Text excerpted from the Wikipedia article Tropaeolum speciosum by its contributors, under CC BY-SA 4.0; the excerpts and the care summary drawn from them are shared under the same licence.

The care summary was written by AI (Claude, Anthropic) from the sources on this page, with general growing knowledge where they are silent. Check before relying on it.

Life form, climate and native range: World Checklist of Vascular Plants, Royal Botanic Gardens, Kew (CC BY 3.0), reformatted; see Plants of the World Online.

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