De Jong Garden Center
$11.75–$17.00Distance unavailable · 1610 W Foothill Blvd, Upland, CA 91786
RetailPickupDeliveryDelivery min $350
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trefle.io · Taken Oct 16, 2018 by Dieter Wagner (cc-by-sa)
Polemoniaceae
Forest phlox
Phlox divaricata
Also known as Phlox vernalis, Wild blue phlox, Louisiana phlox, Armeria divaricata
Zones 4–9Sun Partial SunWater ModerateCare Low
Flowering Plants · Native Plants · Native · Groundcover · Spring Bloomer · Shade Garden · Fragrant · Perennial · Woodland · Butterfly Plant · Wildflower
Pet-safeBeginner-friendlyAttracts pollinators
In stock at 2 nurseriesStock updated 9/6/2026
Forest phlox is an easy-care native groundcover that produces masses of fragrant lavender-blue flowers in spring when grown in dappled shade with consistently moist soil. It spreads gently to fill shaded garden beds and pairs beautifully with spring bulbs and ferns. Deadhead spent blooms to tidy the plant and cut back lightly after flowering to encourage a second flush of growth.
Growing conditions
The details behind the basics
- Daily light
- 4 hours
- Watering
- Water moderately keeping soil evenly moist but not waterlogged · Every 7-10 days
- Maintenance
- Low
- Soil
- loam
- Soil pH
- 5.5–7.2
- Temperature
- -25°F to 95°F
- Cycle
- Perennial
Hardiness
USDA 4b-9b
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Form & growth
Mature size and habit
- Mature height
- 12 in – 4 ft
- Spread
- 3 ft
- Spacing
- 18 in apart
- Growth rate
- Fast
- Root depth
- Medium
- Flowers
- Yes
- Foliage
- Medium
Ecology & origin
Where it belongs and what it brings
- Native to
- Alabama, Arkansas, Connecticut, Delaware, District Of Columbia, Florida, Georgia, Illinois, Indiana, Iowa, Kansas, Kentucky, Louisiana, Maryland, Michigan, Minnesota, Mississippi, Missouri, Nebraska, New Jersey
- Attracts
- Butterflies, Bees, Moths
Sources: trefle, usda
More Phlox
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Phlox bifida subsp. stellaria
Phlox bifida subsp. stellaria
Partial Sun · Moderate · Fast
Phlox alyssifolia subsp. collina
Phlox alyssifolia subsp. collina
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Phlox alyssifolia subsp. abdita
Phlox alyssifolia subsp. abdita
Partial Sun · Moderate · Moderate
Phlox diffusa subsp. longistylis
Phlox diffusa subsp. longistylis
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Buy this plant
2 nurseries carry it
Nakashima Greenhouses
$9.50–$18.25Distance unavailable · 850 Quail Gardens Drive, Encinitas, CA 92024
RetailPickupDeliveryDelivery min $250
In stockIn stock1