Thermopsis rhombifolia var. montana
thermopsis
- Position: full sun or partial shade
- Soil: light, well-drained and fertile soil
- Rate of growth: fast
- Flowering period: June to September
- Hardiness: fully hardy
Slender clusters of yellow, pea-like flowers top upright stems in spring and early summer. A showy addition to the wild garden, in nutrient-rich soils it may spread quickly and become invasive. - Garden care: They resent root disturbance, so try to plant them where they have plenty of room to spread.
- Eventual Height: 0.9m
- Eventual Spread: 0.6m