Phlox, Louisiana Blue Phlox, Wild Blue Phlox, Wild Sweet William, Woodland Phlox 'Louisiana Purple'

Phloxdivaricata

Family
Polemoniaceae (po-le-moh-nee-AY-see-ee)
Genus
Phlox (floks)
Species
divaricata (dy-vair-ih-KAY-tuh)
Synonym
Sun Exposure
Sun to Partial Shade
Light Shade
Foliage
Herbaceous
Height
12-18 in. (30-45 cm)
Spacing
12-15 in. (30-38 cm)
Hardiness
USDA Zone 3a: to -39.9 °C (-40 °F)
USDA Zone 3b: to -37.2 °C (-35 °F)
USDA Zone 4a: to -34.4 °C (-30 °F)
USDA Zone 4b: to -31.6 °C (-25 °F)
USDA Zone 5a: to -28.8 °C (-20 °F)
USDA Zone 5b: to -26.1 °C (-15 °F)
USDA Zone 6a: to -23.3 °C (-10 °F)
USDA Zone 6b: to -20.5 °C (-5 °F)
USDA Zone 7a: to -17.7 °C (0 °F)
USDA Zone 7b: to -14.9 °C (5 °F)
USDA Zone 8a: to -12.2 °C (10 °F)
USDA Zone 8b: to -9.4 °C (15 °F)
Danger
N/A
Bloom Color
Blue-Violet
Lavender
Bloom Time
Mid Spring
Late Spring/Early Summer
Other Details
Category
Perennials
Water Requirements
Average Water Needs; Water regularly; do not overwater
Foliage Color
Where to Grow
Bloom Characteristics
Flowers are fragrant
Bloom Size
Other details
Soil pH requirements
5.6 to 6.0 (acidic)
6.1 to 6.5 (mildly acidic)
6.6 to 7.5 (neutral)
Patent Information
Non-patented
Propagation Methods
By dividing rhizomes, tubers, corms or bulbs (including offsets)
From herbaceous stem cuttings
By simple layering
By serpentine layering
Seed Collecting
Bag seedheads to capture ripening seed
Seed does not store well; sow as soon as possible
Regional

This plant is said to grow outdoors in the following regions:

Wetumpka, Alabama

Dallas, Georgia

Hebron, Kentucky

New Orleans, Louisiana

Enid, Oklahoma

Deer Park, Texas

Rowlett, Texas

Seadrift, Texas

Leesburg, Virginia

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Gardener's Notes:

4
positives
0
neutral
0
negative
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C
ROSLINDALE, MA | April 2015 | positive

In a species with a bewildering number of cultivars in the same soft lavender-blue, the flower color is distinctive: a deeper purple-viol...Read More

O
Enid, OK (Zone 7a) | April 2008 | positive

This is a beautiful ground cover that blooms for many weeks in early spring. It is blooming now, and once the proper time for propagatio...Read More

M
Wetumpka, AL | June 2007 | positive

Grows and flowers well in almost full sun in my Zone 7b garden. Is evergreen through three winters so far.

H
H
San Antonio, TX (Zone 8b) | April 2004 | positive

San Antonio, Tx.
I was lucky enough to find small transplants of the Phlox divaricata last year. I bought four to test them out to...Read More

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