Stinging Phacelia

Phacelia malvifolia

Taxonomy

Division:
Magnoliophyta | - Flowering plants
Family:
Boraginaceae
Genus:
Phacelia
Species:
Phacelia malvifolia

Growth Characteristics

Life Cycle:
Annual
Growth Habit:
Forb/herb
Height:
3-4 ft
Light Requirements:
Full Sun
Drought Tolerance:
Medium
Bloom Months:
apr, may, jun, jul
Bloom Colors:
White

Native Range

United States: California, Oregon

Keystone Species Ranking

Bee Keystone:
★★☆☆☆ Based on number of native bee species using this genus for pollen and nectar (Source: National Wildlife Federation)

Host Plant for Caterpillars

Oidaematophorus phaceliae

Reported Fauna Sightings

Bees: Black-tailed bumble bee (Bombus melanopygus), Black-tailed bumble bee (Bombus melanopygus), Crotch bumble bee (Bombus crotchii), Crotch bumble bee (Bombus crotchii)

Soil Requirements

Soil Type:
rocky, well-drained sandy loam
pH:
5.5 - 7.5 (slightly acidic to neutral)
Drainage:
excellent drainage required
Moisture:
dry to moderate
Notes:
native to coastal scrub and chaparral regions