Phlox diffusa subsp. diffusa
Phlox diffusa subsp. diffusa
Spreading Phlox is a low-growing, mat-forming perennial suited to rocky slopes and alpine gardens in the western United States. Plant in well-drained soil with partial shade and water regularly during the growing season, reducing frequency once established. It requires minimal fertilization and benefits from light trimming after bloom to keep the mat tidy.
Care Level
Moderate
Sun
Partial Shade
Water
Moderate
Growth Rate
Slow
Mature Height
6″ – 12″
Soil
sandy loam
Life Cycle
Perennial
Spacing
12″
Flowers
purple
Watering Schedule
Every 7-10 Days • Water Moderately Until Soil Is Evenly Moist; Allow Top Inch To Dry Between Waterings
Soil pH
6.5 – 8.5
Temperature
-30° – 85°F
Mature Spread
up to 18″
Root Depth
Shallow
Foliage
Coarse
Native to
Attracts
Sources
Data: trefle, usda
No nurseries currently have this species in stock.