Sidalcea oregana subsp. hydrophila
Sidalcea oregana subsp. hydrophila
The water-loving Oregon checker mallow subspecies hydrophila thrives in consistently moist to wet soils, making it ideal for rain gardens, pond margins, or low-lying landscape areas. Provide partial shade to full sun and ensure the soil never fully dries out between waterings. This rare native perennial produces lovely pink flower spikes that attract native bees and butterflies throughout summer.
Care Level
Moderate
Sun
Partial Shade
Water
Moderate
Growth Rate
Moderate
Mature Height
24″ – 48″
Soil
loam
Life Cycle
Perennial
Spacing
18″
Watering Schedule
Every 5-7 Days • Water Thoroughly To Keep Soil Consistently Moist; This Subspecies Prefers Wetter Conditions Than Most Sidalcea
Soil pH
6.4 – 8
Temperature
-20° – 90°F
Mature Spread
up to 24″
Root Depth
Medium
Foliage
Coarse
Native to
Attracts
Sources
Data: trefle, usda
No nurseries currently have this species in stock.