Thermopsis — 4 species
Botanical species in the genus Thermopsis recorded in the PlantPeers database.

Thermopsis lanceolata
Thermopsis lanceolata
Family: Fabaceae
Cultivation
Thermopsis lanceolata is a plant of temperate continental climates and is very cold-hardy, able to tolerate winter temperatures falling to around -35°c. It grows best in regions with hot summers. Requires a sunny position, succeeding in any moderately fertile, well-drained soil.
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Thermopsis lupinoides
Thermopsis lupinoides
Family: Fabaceae
Cultivation
Thermopsis lupinoides is a very cold-hardy plant, able to withstand winter temperatures falling to around -25°c. Succeeds in any moderately fertile well-drained soil in a sunny position, though it prefers a rich light soil. Judging by the plants native habitat, it is likely to be resistant to maritime exposure.
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Thermopsis macrophylla
Thermopsis macrophylla
Family: Fabaceae
Cultivation
Thermopsis macrophylla is a moderately cold-hardy plant, able to tolerate temperatures down to around -15°c when fully dormant. It grows best in areas with hot summers. Requires a sunny position, succeeding in any moderately fertile, well-drained soil.
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Thermopsis montana
Thermopsis montana
Family: Fabaceae
Cultivation
Thermopsis montana is a very cold-hardy plant, able to tolerate temperatures down to around -30°c when fully dormant. Grows best in a sunny position, preferring a moist, well-drained, sandy to loam soil. Prefers a pH in the range 6.6 - 8.5.
Full cultivation guide →