Taxonomy

Division:

Magnoliophyta | - Flowering plants

Family:

Amaryllidaceae

Genus:

Allium

Species:

Allium tuolumnense

USDA Symbol:

ALTU

Growth Characteristics

Life Cycle:

Perennial

Growth Habit:

Geophyte

Height:

30 cm

Light Requirements:

Full Sun,Part Shade

Drought Tolerance:

Medium

Bloom Months:

apr,may,jun

Bloom Colors:

pink, rose

Wildlife Benefits

Bees:

★☆☆☆☆ Documented bee visitation (GBIF)

Butterflies & Moths:

★☆☆☆☆ Documented Lepidoptera association (GBIF)

Garden & Ecology Notes

Wildlife Value:

bees, butterflies

Deer Resistant:

Yes

Fragrant:

Yes

Fire Ecology:

Fire adapted — tolerates or benefits from fire

Fire Notes:

Bulbs survive fire underground and resprout vigorously. Common in fire-adapted foothill communities with periodic burns.

Soil Requirements

Soil Type:

well-drained, sandy or rocky soil

pH:

6.0 - 7.5 (slightly acidic to neutral)

Drainage:

excellent drainage required

Moisture:

dry to moderate

Notes:

native to rocky outcrops and slopes

Propagation & Germination

Stratification:

Cold/moist stratification required — 30–60 days

Germination Time:

14–45 days

Notes:

Seeds germinate best with cool temperatures and may benefit from fall sowing to match natural dormancy cycles.