Water
Water regularly during the growing season, allowing the soil to dry slightly between waterings. Reduce watering in fall and winter. Ensure good drainage to prevent root rot, especially in containers.
Overwatering can lead to fungal diseases.
Thermopsis alpina is a perennial herb native to alpine regions, featuring bright yellow, lupine-like flower spikes. It thrives in full sun and well-drained soils.
At-a-glance light, water, soil, and growing conditions from plant data
Full Sun to Partial Shade
75% intensity
Prefers at least 6 hours of direct sunlight daily for best flowering.
Moderate
50% intensity
Allow soil to dry slightly between waterings; reduce in winter.
Well-drained
50% intensity
Moderate
50% intensity
Prefers cool to moderate temperatures; hardy in USDA zones 3-7.
Low
25% intensity
Generally needs no fertilizer; a light balanced feed in spring is optional.
Safety information from plant toxicity data
| Attribute | Value |
|---|---|
| Toxic for humans | No 0/5 intensity |
| Toxic for pets | No 0/5 intensity |
| Edible | No |
Not considered toxic.
Key traits and growing stats from plant data
Watering, pruning, propagation, and repotting details from plant data
Water regularly during the growing season, allowing the soil to dry slightly between waterings. Reduce watering in fall and winter. Ensure good drainage to prevent root rot, especially in containers.
Overwatering can lead to fungal diseases.
Deadhead spent flower stalks to encourage further blooming and prevent seed formation. In late fall or early spring, cut back dead foliage to about 5-10 cm above the ground to promote new growth and maintain a tidy appearance.
Thermopsis alpina can be propagated by division of established clumps in early spring. Seeds can also be sown in fall or stratified and sown in spring. Germination can be slow and erratic for both methods.
Container-grown plants may benefit from repotting every 2-3 years in early spring, before new growth emerges. Choose a slightly larger pot and fresh, well-draining potting mix.
Ensure the root ball is not overly compacted.
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Monthly activity intensity for bloom and fruit across both hemispheres.
Flowering & fruiting calendar
Flowering & fruiting calendar
Photos of Thermopsis Alpina (Thermopsis alpina)
Common names and botanical synonyms
Botanical classification
| Rank | Name |
|---|---|
| Kingdom | Plantae |
| Division | Tracheophyta |
| Class | Magnoliopsida |
| Order | Fabales |
| Family | Fabaceae |
| Genus | Thermopsis |
| Species | Thermopsis alpina |
Similar in genus Thermopsis
Answers based on plant encyclopedia data
