Wild Blue Phlox
Phlox divaricata
- Native to:
- Canada, United States, Virgin Islands
Wilson44691






Taxonomy
- Division:
- Magnoliophyta | - Flowering plants
- Family:
- Polemoniaceae
- Genus:
- Phlox
- Species:
- Phlox divaricata
- USDA Symbol:
- PHDI5
Growth Characteristics
- Life Cycle:
- Perennial
- Growth Habit:
- Forb/herb
- Height:
- 45 cm
- Light Requirements:
- Part Shade,Shade
- Drought Tolerance:
- Low
- Bloom Months:
- apr,may,jun
- Bloom Colors:
- blue, violet, white
- Ground Cover:
- Yes
Wildlife Benefits
- Bees:
- ★☆☆☆☆ Documented bee visitation (GBIF)
- Butterflies & Moths:
- ★☆☆☆☆ Documented Lepidoptera association (GBIF)
- Hummingbirds:
- ★☆☆☆☆ Documented hummingbird visits (GBIF)
Keystone Species Ranking
- Caterpillar Keystone:
- ★★☆☆☆ Butterfly & moth species supported by this genus (NWF)
Reported Fauna Sightings
Moths:Hummingbird Clearwing (Hemaris thysbe), Nessus sphinx (Amphion floridensis) Butterflies:Black Swallowtail (Papilio polyxenes)
Garden & Ecology Notes
- Wildlife Value:
- bees, butterflies, hummingbirds
- Fragrant:
- Yes
Soil Requirements
- Soil Type:
- rich, well-drained loamy soil
- pH:
- 5.5 - 7.0 (slightly acidic to neutral)
- Drainage:
- good drainage preferred
- Moisture:
- consistently moist
- Notes:
- native to deciduous woodlands
Propagation & Germination
- Stratification:
- Cold/moist stratification required — 60–90 days
- Germination Time:
- 14–30 days
- Notes:
- Seeds require cold stratification for 60-90 days; sow in fall or after cold treatment.
Where to Buy
Nationwide Seller
- Prairie Moon Nursery (nursery and seeds)
- Native Plants Nursery (nursery)
- Native Plants Nursery (nursery)
- Vermont Wildflower Farm (nursery and seeds)