flame nasturtium
Tropaeolum speciosum
RHS AGM 1993

USDA zones8 to 11
SunHandles full sun to partial sun
WaterHandles moderate to moist soil
Size8 to 10 feet tall3 to 4 feet wide
- Bloom season
- Summer, autumn
- Soil types
- Sand, loam, clay
- Soil pH
- Acid, neutral
Garden uses
Attracts
Notes
Flame nasturtium (Tropaeolum speciosum) is a vine for borders and low maintenance gardens. It is hardy to USDA zone 8, or down to 10°F (-12°C). This plant likes full or part sun and average to moist, sandy, loamy, or clay soil. It blooms in early to late summer, and again in early to late autumn. Butterflies, hummingbirds, and bees visit the flowers. Deer tend to pass it by.
Pairs well with Clematis, Bishop of Llandaff dahlia, and Star jasmine.
Native range
South America.