Zone 9 · winter lows 20°F to 30°F
Phlox for Zone 9
51 Phlox varieties rated hardy through Zone 9, ranked by how many gardeners actually grow them. Zone 9 is nearly year-round growing — heat tolerance matters more than cold.
The Phlox that thrive in Zone 9
#1 most savedPrairie Phlox
Phlox pilosa
#2 most savedCandy Stripe Creeping Phlox
Phlox subulata 'Candy Stripe'
#3 most savedEmerald Blue Moss Phlox
Phlox subulata 'Emerald Blue'

Emerald Pink Creeping Phlox
Phlox subulata 'Emerald Pink'

Creeping Phlox 'Blue Carpet'
Phlox subulata 'Blue Carpet'

John Fanick Phlox
Phlox paniculata 'John Fanick'

Emerald Blue Creeping Phlox
Phlox subulata 'Blue Emerald'

Phlox pilosa Slim Jim
Phlox pilosa 'Slim Jim'

Scarlet Flame Creeping Phlox
Phlox subulata 'Scarlet Flame'

Emerald Cushion Blue Moss Phlox
Phlox subulata 'Emerald Cushion Blue'

Red Wings Moss Phlox
Phlox subulata 'Red Wings'

Garden Phlox 'Starburst'
Phlox paniculata 'Starburst'

Garden Phlox Opalescence
Phlox paniculata 'Opalescence'

Creeping Phlox Moss Phlox
Phlox subulata

Purple Beauty Creeping Phlox
Phlox subulata 'Purple Beauty'

Phlox Flame Red
Phlox paniculata 'Flame Red'

Annual Phlox
Phlox drummondii 'Pink'

Moss Phlox Fort Hill
Phlox subulata 'Fort Hill'

Creeping Phlox Eye Caramba
Phlox subulata 'Eye Caramba'

Variegated Creeping Phlox
Phlox subulata 'Nettletons Variation'

Garden Phlox Katherine
Phlox paniculata 'Katherine'

Drummond's Phlox
Phlox drummondii

Backlight Garden Phlox
Phlox paniculata 'Backlight'

Carolina Phlox Dakota
Phlox carolina 'Dakota'
Showing the 24 most-saved of 51 Zone 9–hardy Phlox varieties. See the full Phlox list →
Phlox in Zone 9
Will Phlox survive a Zone 9 winter?
51 of the 132 Phlox varieties in the Sow catalog are rated hardy through Zone 9, where winter lows reach 20°F to 30°F. Hardiness is per-variety, not per-genus — the plants listed above are the ones that hold up; others in the genus are not rated for this zone.
When should I plant Phlox in Zone 9?
In Zone 9 the last spring frost typically lands around late February and the first fall frost around early December. Planting after the last frost — or in early fall, so roots establish before the ground cools — gives the best establishment. Each plant page lists its own planting months.
Which Phlox is best for Zone 9?
Start at the top of the list above: it is ranked by how many gardeners actually save and grow each variety, which is a strong real-world reliability signal. Then narrow by your sun exposure and the mature size that fits the bed.
Keep exploring
See Phlox in your Zone 9 yard
Snap a photo of your space and Sow places these varieties in it at true mature size — then keeps the care schedule for everything you plant.