Alyssum borzaeanum

Odontarrhena obtusifolia

Native to:
Bulgaria, East Aegean Is., Greece, Iran, Krym, North Caucasus, Romania, Türkiye, Ukraine

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Taxonomy

Division:
Magnoliophyta | - Flowering plants
Family:
Brassicaceae
Genus:
Odontarrhena
Species:
Odontarrhena obtusifolia
USDA Symbol:
ALBO8

Growth Characteristics

Height:
30 cm
Light Requirements:
Full Sun
Drought Tolerance:
High
Bloom Months:
apr,may,jun
Bloom Colors:
yellow
Ground Cover:
Yes

Garden & Ecology Notes

Deer Resistant:
Yes

Soil Requirements

Soil Type:
rocky, well-drained calcareous soil
pH:
6.0 - 7.5 (slightly acidic to neutral)
Drainage:
excellent drainage required
Moisture:
dry to moderate
Notes:
prefers limestone-rich areas

Propagation & Germination

Stratification:
Cold/moist stratification required — 30–60 days
Germination Time:
14–28 days
Notes:
Seeds germinate readily after cold stratification; surface sow as light may aid germination.

The above propagation data sourced from Claude AI

ORGHPS Germination Guide: Sow @ 20°C. Seed germinates within 3 months Requires light or the seed is very fine. Surface sow and expose to light. * tiny - transplant as a bunch

Source: Ontario Rock Garden & Hardy Plant Society