Brassica × harmsiana

Brassica × harmsiana

Taxonomy

Division:
Magnoliophyta | - Flowering plants
Family:
Brassicaceae
Genus:
Brassica
Species:
Brassica × harmsiana

Growth Characteristics

Growth Habit:
Forb/herb
Height:
120 cm
Drought Tolerance:
Medium
Bloom Months:
apr,may,jun
Bloom Colors:
yellow

Garden & Ecology Notes

Wildlife Value:
bees, butterflies

Source: Claude claude-opus-4-5-20251101 Batch

Propagation & Germination

Stratification:
None required
Germination Time:
4–10 days
Notes:
Seeds germinate readily at 10-30°C with no special treatment required.

Source: Claude claude-opus-4-5-20251101 Batch

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

Source: Ontario Rock Garden & Hardy Plant Society