Polemoniaceae
Spreading phlox
Phlox diffusa
- Family
- Polemoniaceae
- Genus
- Phlox
Pet and kid safety: not checked yet. Check pet-safe plants
Is yours looking unwell? Scan your plant — free
Common names
By language (1)
- English
- Spreading phlox
Synonyms
- Phlox diffusa subsp. diffusa
- Phlox diffusa subsp. typica Wherry
- Phlox douglasii var. diffusa (Benth.) A.Gray
Flowers
- Flower colour
- purple (USDA PLANTS Database)
Characteristics
- Growth habit
- Forb/herb, Subshrub
- Lifespan
- Perennial
- In the US and Canada
- Canada: native, Lower 48 states: native
Photos
Photo: Walter Siegmund, CC BY 2.5, from Wikimedia Commons Photo: Walter Siegmund, CC BY 2.5, from Wikimedia Commons Photo: Walter Siegmund, CC BY 2.5, from Wikimedia Commons Photo: Walter Siegmund, CC BY 2.5, from Wikimedia Commons Photo: Walter Siegmund, CC BY 2.5, from Wikimedia Commons Photo: Walter Siegmund, CC BY 2.5, from Wikimedia Commons Photo: Walter Siegmund, CC BY 2.5, from Wikimedia Commons 
Photo: Dcrjsr, CC BY 3.0, from Wikimedia Commons 
Photo: brewbooks from near Seattle, USA, CC BY-SA 2.0, from Wikimedia Commons 
Photo: Jason Hollinger, CC BY 2.0, from Wikimedia Commons 
Photo: brewbooks from near Seattle, USA, CC BY-SA 2.0, from Wikimedia Commons 
Photo: brewbooks from near Seattle, USA, CC BY-SA 2.0, from Wikimedia Commons
More in Phlox
- Fall phloxPhlox paniculataPolemoniaceae
- Annual phloxPhlox drummondiiPolemoniaceae
- Moss phloxPhlox subulataPolemoniaceae
- Creeping phloxPhlox stoloniferaPolemoniaceae
- Wild blue phloxPhlox divaricataPolemoniaceae
- Hairy phloxPhlox amoenaPolemoniaceae
- Tufted phloxPhlox caespitosaPolemoniaceae
- Florida phloxPhlox floridanaPolemoniaceae
- Downy phloxPhlox pilosaPolemoniaceae
- Siberian phloxPhlox sibiricaPolemoniaceae
- Northern phloxPhlox adsurgensPolemoniaceae
- Smooth phloxPhlox glaberrimaPolemoniaceae
Sources: classification, synonyms from World Flora Online Plant List (2026-06, CC0 1.0); common names, popularity from Wikidata (2026-10-26, CC0 1.0); common names, US characteristics from USDA PLANTS Database (2025-05-29, CC0 1.0). About our plant data.