Taxonomy

Division:

Magnoliophyta | - Flowering plants

Family:

Brassicaceae

Genus:

Descurainia

Species:

Descurainia obtusa

USDA Symbol:

DEOB

Growth Characteristics

Life Cycle:

Annual | Biennial

Growth Habit:

Forb/herb

Height:

60 cm

Light Requirements:

Full Sun

Drought Tolerance:

High

Bloom Months:

apr,may,jun,jul

Bloom Colors:

yellow

Garden & Ecology Notes

Wildlife Value:

birds

Deer Resistant:

Yes

Fire Ecology:

Fire adapted — tolerates or benefits from fire

Fire Notes:

Pioneer species that colonizes disturbed and post-fire sites; not fire-dependent but benefits from disturbance.

Soil Requirements

Soil Type:

sandy, well-drained, nutrient-poor soil

pH:

6.0 - 7.5 (slightly acidic to neutral)

Drainage:

excellent drainage required

Moisture:

dry to moderate

Notes:

native to arid regions, prefers open, rocky areas

Propagation & Germination

Stratification:

None required

Germination Time:

7–21 days

Notes:

Seeds germinate readily without pretreatment; light may enhance germination.

The above propagation data sourced from Claude AI