Annual Phlox, Drummond's Phlox
Phloxdrummondii '21st Century Blue Star'

Category
Annuals

Water Requirements
Average Water Needs; Water regularly; do not overwater

Sun Exposure
Full Sun

Foliage

Foliage Color
Blue-Green

Height
6-12 in. (15-30 cm)

Spacing
9-12 in. (22-30 cm)

Hardiness
Not Applicable

Where to Grow

Danger

Bloom Color
Light Blue
Dark Blue

Bloom Characteristics
This plant is attractive to bees, butterflies and/or birds
Flowers are fragrant

Bloom Size

Bloom Time
Late Winter/Early Spring
Mid Spring
Late Spring/Early Summer

Other details

Soil pH requirements
6.1 to 6.5 (mildly acidic)
6.6 to 7.5 (neutral)
7.6 to 7.8 (mildly alkaline)

Patent Information

Propagation Methods
From herbaceous stem cuttings
From seed; sow indoors before last frost
From seed; direct sow after last frost

Seed Collecting
Allow seedheads to dry on plants; remove and collect seeds