Cleft Phlox

Phlox bifida

Native to:
United States

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Taxonomy

Division:
Magnoliophyta | - Flowering plants
Family:
Polemoniaceae
Genus:
Phlox
Species:
Phlox bifida
USDA Symbol:
PHBI3

Growth Characteristics

Life Cycle:
Perennial
Growth Habit:
Subshrub
Height:
20 cm
Light Requirements:
Full Sun
Drought Tolerance:
High
Bloom Months:
apr,may,jun
Bloom Colors:
white, lavender, violet, blue
Ground Cover:
Yes

Wildlife Benefits

Bees:
★☆☆☆☆ Documented bee visitation (GBIF)
Butterflies & Moths:
★☆☆☆☆ Documented Lepidoptera association (GBIF)

Keystone Species Ranking

Caterpillar Keystone:
★★☆☆☆ Butterfly & moth species supported by this genus (NWF)

Garden & Ecology Notes

Wildlife Value:
butterflies, bees
Deer Resistant:
Yes
Fragrant:
Yes
Fire Ecology:
Fire adapted — tolerates or benefits from fire
Fire Notes:
Tolerates fire in prairie and glade habitats; resprouts from rootstock after burns.

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, open areas

Propagation & Germination

Stratification:
Cold/moist stratification required — 30–60 days
Germination Time:
14–30 days
Notes:
Seeds germinate best with cold stratification and light exposure. Surface sow, as light aids germination.

The above propagation data sourced from Claude AI