Taxonomy

Division:

Magnoliophyta | - Flowering plants

Family:

Boraginaceae

Genus:

Phacelia

Species:

Phacelia congesta

USDA Symbol:

PHCO2

Growth Characteristics

Life Cycle:

Annual | Biennial

Growth Habit:

Forb/herb

Height:

60 cm

Light Requirements:

Full Sun,Part Shade

Drought Tolerance:

Medium

Bloom Months:

mar,apr,may,jun

Bloom Colors:

blue, lavender, purple

Wildlife Benefits

Bees:

★☆☆☆☆ Documented bee visitation (GBIF)

Butterflies & Moths:

★☆☆☆☆ Documented Lepidoptera association (GBIF)

Keystone Species Ranking

Pollen Specialist Bee Keystone:

★★★★☆ Native pollen specialist bee species supported by this genus (NWF)

Garden & Ecology Notes

Wildlife Value:

bees, butterflies

Deer Resistant:

Yes

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 rocky slopes and open woodlands

Propagation & Germination

Stratification:

None required

Germination Time:

7–21 days

Notes:

Seeds require light for germination; surface sow and do not cover. Best germinated in cool conditions.

The above propagation data sourced from Claude AI