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Thermopsis divaricarpa

Taxonomy

Division:
Magnoliophyta | - Flowering plants
Family:
Fabaceae
Genus:
Thermopsis
Species:
Thermopsis divaricarpa

Growth Characteristics

Life Cycle:
Perennial
Growth Habit:
Forb/herb
Height:
2-3 ft
Light Requirements:
Full Sun
Drought Tolerance:
High
Bloom Months:
may, jun, jul, aug
Bloom Colors:
Yellow

Native Range

United States: Colorado, Montana, New Mexico, Wyoming

Host Plant for Caterpillars

Filatima ornatifimbriella, Filatima xanthuris, Parectopa thermopsella, Virgin Tiger Moth (Grammia virgo), Orange Sulphur (Colias eurytheme), ⚠️Persius duskywing (Erynnis persius), Queen Alexandra's Sulphur (Colias alexandra), Silvery Blue (Glaucopsyche lygdamus)

Reported Fauna Sightings

Bees: Nevada bumble bee (Bombus nevadensis), Nevada bumble bee (Bombus nevadensis)

Soil Requirements

Soil Type:
well-drained, sandy or rocky soil
pH:
6.0 - 7.5 (slightly acidic to neutral)
Drainage:
excellent drainage required
Moisture:
dry to moderate
Notes:
prefers open, sunny habitats

Germination Information

Pre-treatment: Scarification followed by several days soaking. Some seeds may need to have their coat removed after soaking. For cuttings, treatment with rooting hormone is required.

Establishment: Seed cleaning technique involves removing seeds from pods. Care should be taken not to damage the radical when removing the seed coat after soaking. The propagation protocol may vary depending on the collection location.

Source: npn.rngr.net