Mescal Bean
Dermatophyllum secundiflorum
- Native to:
- Mexico, United States
iNaturalist: © karlambenitez (iNaturalist #259600612)






Taxonomy
- Division:
- Magnoliophyta | - Flowering plants
- Family:
- Fabaceae
- Genus:
- Dermatophyllum
- Species:
- Dermatophyllum secundiflorum
- USDA Symbol:
- SOSE3
Growth Characteristics
- Life Cycle:
- Perennial
- Growth Habit:
- Shrub , Tree
- Height:
- 900 cm
- Light Requirements:
- Full Sun
- Drought Tolerance:
- High
- Bloom Months:
- mar,apr,may
- Bloom Colors:
- purple, violet
- Landscaping Shrub:
- Yes
Wildlife Benefits
- Bees:
- ★☆☆☆☆ Documented bee visitation (GBIF)
- Butterflies & Moths:
- ★☆☆☆☆ Documented Lepidoptera association (GBIF)
- Caterpillars:
- ★☆☆☆☆ Recorded caterpillar host plant (HOSTS Database)
Host Plant for Caterpillars
Genista Broom Moth (Uresiphita reversalis), Henry's Elfin (Incisalia henrici)
Reported Fauna Sightings
Bees: ⚠️Western honey bee (Apis mellifera) Moths:Genista Broom Moth (Uresiphita reversalis) Butterflies:Eastern Tiger Swallowtail (Papilio glaucus), ⚠️Monarch butterfly (Danaus plexippus)
Garden & Ecology Notes
- Wildlife Value:
- bees, butterflies
- Deer Resistant:
- Yes
- Fragrant:
- Yes
- Fire Ecology:
- Fire adapted — tolerates or benefits from fire
- Fire Notes:
- Resprouts from base after fire; historically found in fire-prone Texas Hill Country landscapes.
Soil Requirements
- Soil Type:
- rocky, well-drained limestone soil
- pH:
- 6.0 - 8.0 (slightly acidic to neutral)
- Drainage:
- excellent drainage required
- Moisture:
- dry to moderate
- Notes:
- native to rocky slopes and limestone outcrops
Propagation & Germination
- Stratification:
- Cold/moist stratification required — 60–90 days
- Scarification:
- Seed coat scarification required before sowing
- Germination Time:
- 14–30 days
- Notes:
- Scarification of hard seed coat recommended; seeds are toxic and should be handled with care.
The above propagation data sourced from Claude AI
Pre-treatment: Cold-moist stratification for 30 days at 1–5°C (34–41°F).; then Scarify, then cold-moist stratify for 60 days.
Source: Claude AI