Taxonomy

Division:

Magnoliophyta | - Flowering plants

Family:

Fabaceae

Genus:

Lupinus

Species:

Lupinus luteus

USDA Symbol:

LULU80

Growth Characteristics

Life Cycle:

Annual

Growth Habit:

Forb/herb

Height:

80 cm

Light Requirements:

Full Sun

Drought Tolerance:

Medium

Bloom Months:

may,jun,jul,aug

Bloom Colors:

yellow

Wildlife Benefits

Bees:

★☆☆☆☆ Documented bee visitation (GBIF)

Butterflies & Moths:

★☆☆☆☆ Documented Lepidoptera association (GBIF)

Keystone Species Ranking

Caterpillar Keystone:

★★★★☆ Butterfly & moth species supported by this genus (NWF)

Pollen Specialist Bee Keystone:

★★☆☆☆ Native pollen specialist bee species supported by this genus (NWF)

Garden & Ecology Notes

Wildlife Value:

bees, butterflies

Deer Resistant:

Yes

Fragrant:

Yes

Soil Requirements

Soil Type:

sandy, well-drained, nutrient-poor soil

pH:

4.5 - 7.5 (acidic to neutral)

Drainage:

excellent drainage required

Moisture:

dry to moderate

Notes:

Prefers poor soils to reduce competition

Propagation & Germination

Stratification:

None required

Scarification:

Seed coat scarification required before sowing

Germination Time:

14–28 days

Notes:

Scarification improves germination; soak seeds in warm water for 24 hours or nick seed coat. Prefers temperatures around 15-20°C for germination.

The above propagation data sourced from Claude AI