Limestone phacelia
Phacelia affinis
Limestone phacelia is a native wildflower from arid southwestern regions that prefers rocky, well-draining soils in partial shade. It produces attractive blue-purple blooms that are highly appealing to native pollinators. Best grown outdoors in xeriscapes or native plant gardens; it dislikes heavy clay soils and standing water.
Care Level
Moderate
Sun
Partial Shade
Water
Moderate
Growth Rate
Moderate
Mature Height
12″ – 48″
Soil
loam
Life Cycle
Perennial
Spacing
12″
Watering Schedule
Every 7-10 Days • Water Until Soil Is Evenly Moist, Allow The Top Inch To Dry Before Watering Again
Soil pH
5 – 7
Temperature
-25° – 95°F
Mature Spread
up to 48″
Root Depth
Medium
Foliage
Coarse
Propagation: Seed, Division, Cutting
Native to
Attracts
Sources
Data: trefle, usda
Image: trefle.io — Taken Feb 9, 2015 by EOL − Keir Morse (cc-by-nc-sa)
No nurseries currently have this species in stock.