Pale Madwort

Alyssum alyssoides

Native to:
Afghanistan, Albania, Austria, Baltic States, Belarus, Belgium, Bulgaria, Corse, Cyprus, Czechia-Slovakia, France, Germany, Greece, Hungary, Iran, Italy, Kazakhstan, Kirgizstan, Krym, Lebanon-Syria, Morocco, Netherlands, North Caucasus, NW. Balkan Pen., Poland, Portugal, Romania, Russia, Sardegna, Spain, Switzerland, Tadzhikistan, Transcaucasus, Türkiye, Türkiye-in-Europe, Turkmenistan, Ukraine, Uzbekistan

📍 View on iNaturalist →

Taxonomy

Division:
Magnoliophyta | - Flowering plants
Family:
Brassicaceae
Genus:
Alyssum
Species:
Alyssum alyssoides
USDA Symbol:
ALAL3

Growth Characteristics

Life Cycle:
Annual | Biennial
Growth Habit:
Forb/herb
Height:
30 cm
Light Requirements:
Full Sun
Drought Tolerance:
High
Bloom Months:
apr,may,jun
Bloom Colors:
yellow

Soil Requirements

Soil Type:
poor, sandy, well-drained soil
pH:
6.0 - 8.0 (neutral to slightly alkaline)
Drainage:
excellent drainage required
Moisture:
dry to moderate
Notes:
thrives in disturbed, rocky areas

Propagation & Germination

Stratification:
None required
Germination Time:
7–14 days
Notes:
Seeds germinate readily at moderate temperatures with adequate moisture and light.

The above propagation data sourced from Claude AI

ORGHPS Germination Guide: Sow @ 20C. Germinates within 3 months.

Source: Ontario Rock Garden & Hardy Plant Society