Astragalus onobrychis

Astragalus onobrychis

Native to:
Albania, Algeria, Austria, Belarus, Bulgaria, Czechia-Slovakia, France, Greece, Hungary, Iran, Italy, Kazakhstan, Krym, North Caucasus, NW. Balkan Pen., Poland, Romania, Russia, Spain, Switzerland, Transcaucasus, Türkiye, Türkiye-in-Europe, Ukraine

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Taxonomy

Division:
Magnoliophyta | - Flowering plants
Family:
Fabaceae
Genus:
Astragalus
Species:
Astragalus onobrychis
USDA Symbol:
ASON3

Growth Characteristics

Height:
60 cm
Light Requirements:
Full Sun
Drought Tolerance:
High
Bloom Months:
may,jun,jul
Bloom Colors:
purple, violet

Keystone Species Ranking

Pollen Specialist Bee Keystone:
★★★☆☆ Native pollen specialist bee species supported by this genus (NWF)

Garden & Ecology Notes

Wildlife Value:
bees, butterflies
Deer Resistant:
Yes

Soil Requirements

Soil Type:
well-drained, calcareous, sandy or rocky soil
pH:
6.0 - 8.0 (slightly acidic to neutral)
Drainage:
excellent drainage required
Moisture:
dry to moderate

Propagation & Germination

Stratification:
Cold/moist stratification required — 30–60 days
Scarification:
Seed coat scarification required before sowing
Germination Time:
10–21 days
Notes:
Scarification improves germination rates due to hard seed coat typical of legumes. Seed may also benefit from inoculation with appropriate Rhizobium species.

The above propagation data sourced from Claude AI

ORGHPS Germination Guide: Put in deep pot; protect from damping off

Source: Ontario Rock Garden & Hardy Plant Society