Texas Bluebonnet

Lupinus subcarnosus

Texas Bluebonnet

Clinton & Charles Robertson from RAF Lakenheath, UK & San Marcos, TX, USA & UK

Taxonomy

Division:
Magnoliophyta | - Flowering plants
Family:
Fabaceae
Genus:
Lupinus
Species:
Lupinus subcarnosus

Growth Characteristics

Life Cycle:
Annual
Growth Habit:
Forb/herb
Height:
1-2 ft
Light Requirements:
Full Sun
Bloom Months:
mar, apr
Bloom Colors:
Blue, Purple
Ground Cover:
Yes

Native Range

United States: Florida, Louisiana, Texas

Keystone Species Ranking

Caterpillar Keystone:
★★☆☆☆ Based on number of butterfly and moth species using this genus as host plant (Source: National Wildlife Federation)
Bee Keystone:
★★★★☆ Based on number of native bee species using this genus for pollen and nectar (Source: National Wildlife Federation)

Soil Requirements

Soil Type:
sandy, well-drained, nutrient-poor soil
pH:
6.0 - 7.5 (slightly acidic to neutral)
Drainage:
excellent drainage required
Moisture:
dry to moderate
Notes:
native to sandy prairies and open areas

Germination Information

Pre-treatment: Cold-moist stratification for 30 days at 1–5°C (34–41°F).; then Scarify, then cold-moist stratify for 60 days.

Notes: Seeds may require light for optimal germination.

Source: OpenAI GPT-4o