Tall Tumblemustard

Sisymbrium altissimum

Native to:
Afghanistan, Albania, Belarus, Bulgaria, China, Greece, Hungary, India, Iran, Iraq, Italy, Kazakhstan, Kirgizstan, Krym, Lebanon-Syria, North Caucasus, NW. Balkan Pen., Pakistan, Poland, Romania, Russia, Tadzhikistan, Transcaucasus, Türkiye, Türkiye-in-Europe, Turkmenistan, Ukraine, Uzbekistan

📍 View on iNaturalist →

Taxonomy

Division:
Magnoliophyta | - Flowering plants
Family:
Brassicaceae
Genus:
Sisymbrium
Species:
Sisymbrium altissimum
USDA Symbol:
SIAL2

Growth Characteristics

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

Host Plant for Caterpillars

Agrotis orthogonia, Euxoa brevipennis, Becker's white (Pontia beckerii), California Marble (Euchloe hyantis), Checkered White (Pontia protodice), Large Marble (Euchloe ausonides), Western white (Pontia occidentalis)

Reported Fauna Sightings

Bees: Black-tailed bumble bee (Bombus melanopygus), Hunt's bumble bee (Bombus huntii), Yellow bumble bee (Bombus fervidus)

Garden & Ecology Notes

Wildlife Value:
birds
Salt Tolerant:
Yes
Fire Ecology:
Fire adapted — tolerates or benefits from fire
Fire Notes:
Pioneer species that colonizes disturbed and burned areas readily from seed bank.

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 soils and open areas

Propagation & Germination

Stratification:
None required
Germination Time:
7–21 days
Notes:
Seeds germinate readily in spring or fall with adequate moisture. Light may improve germination.

The above propagation data sourced from Claude AI