Guadalupe Mountain Necklacepod

Dermatophyllum gypsophilum

Native to:
Mexico, United States

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Taxonomy

Division:
Magnoliophyta | - Flowering plants
Family:
Fabaceae
Genus:
Dermatophyllum
Species:
Dermatophyllum gypsophilum
USDA Symbol:
SOGY80

Growth Characteristics

Life Cycle:
Perennial
Growth Habit:
Shrub
Height:
200 cm
Light Requirements:
Full Sun
Drought Tolerance:
High
Bloom Months:
mar,apr,may
Bloom Colors:
purple, blue
Landscaping Shrub:
Yes

Wildlife Benefits

Bees:
★☆☆☆☆ Documented bee visitation (GBIF)
Butterflies & Moths:
★☆☆☆☆ Documented Lepidoptera association (GBIF)

Garden & Ecology Notes

Wildlife Value:
bees, butterflies
Deer Resistant:
Yes
Fragrant:
Yes

Soil Requirements

Soil Type:
gypsum-rich, well-drained, rocky soil
pH:
7.0 - 8.5 (neutral to slightly alkaline)
Drainage:
excellent drainage required
Moisture:
dry to moderate
Notes:
native to gypsum outcrops; sensitive to non-gypsum soils

Propagation & Germination

Stratification:
Warm then cold/moist stratification (double dormancy) — 30–60 days
Scarification:
Seed coat scarification required before sowing
Germination Time:
14–60 days
Notes:
Seeds require scarification (nicking or hot water) followed by warm stratification then cold stratification for optimal germination.