Lupinus arboreus var. eximius
Lupinus arboreus var. eximius var. eximius
The tree lupine variety eximius is a shrubby perennial native to coastal California, producing large, showy flower spikes in yellow to purple hues. It prefers well-drained, sandy or loamy soils and is well suited to coastal gardens with moderate humidity and mild temperatures. Prune lightly after flowering to maintain shape and encourage fresh growth in subsequent seasons.
Care Level
Moderate
Sun
Partial Shade
Water
Moderate
Growth Rate
Moderate
Mature Height
12″ – 30″
Soil
sandy loam
Life Cycle
Perennial
Spacing
36″
Flowers
yellow
Watering Schedule
Every 7-10 Days During Growing Season • Water Deeply But Infrequently, Allowing The Top 1-2 Inches Of Soil To Dry Between Waterings
Soil pH
6 – 7.5
Temperature
-40° – 85°F
Mature Spread
up to 12″
Root Depth
Deep
Foliage
Coarse
Native to
Attracts
Sources
Data: trefle, usda
No nurseries currently have this species in stock.