
Delphinium glaucum
Delphinium glaucum
Sierra larkspur thrives in cool, moist conditions with partial shade and consistently watered soil. Plant in well-draining, fertile ground and provide support for its tall flower spikes, which can reach 6 feet or more. Deadhead spent blooms to encourage continued flowering and divide clumps every few years to maintain vigor.
Care Level
Moderate
Sun
Partial Shade
Water
Moderate
Growth Rate
Fast
Mature Height
12″ – 48″
Soil
loam
Life Cycle
Perennial
Spacing
24″
Flowers
purple
Watering Schedule
Every 5-7 Days • Water Deeply Until Soil Is Evenly Moist; Avoid Waterlogging
Soil pH
5.6 – 7
Temperature
-25° – 95°F
Mature Spread
up to 48″
Root Depth
Medium
Foliage
Medium
Propagation: Seed, Division, Cutting
Native to
Attracts
Sources
Data: trefle, usda
Image: trefle.io — CC-BY-SA
No nurseries currently have this species in stock.