Lupinus Species, Tree Lupine, Yellow Bush Lupine

Lupinusarboreus

Family
Fabaceae (fab-AY-see-ee)
Genus
Lupinus (loo-PIE-nus)
Species
arboreus (ar-BOR-ee-us)
Synonym
Sun Exposure
Full Sun
Height
36-48 in. (90-120 cm)
Hardiness
USDA Zone 7a: to -17.7 °C (0 °F)
USDA Zone 7b: to -14.9 °C (5 °F)
USDA Zone 8a: to -12.2 °C (10 °F)
USDA Zone 8b: to -9.4 °C (15 °F)
USDA Zone 9a: to -6.6 °C (20 °F)
USDA Zone 9b: to -3.8 °C (25 °F)
USDA Zone 10a: to -1.1 °C (30 °F)
USDA Zone 10b: to 1.7 °C (35 °F)
Bloom Color
Bright Yellow
Bloom Time
Late Spring/Early Summer
Other Details
Category
Perennials
Shrubs
Water Requirements
Drought-tolerant; suitable for xeriscaping
Foliage Color
Where to Grow
Bloom Characteristics
This plant is attractive to bees, butterflies and/or birds
Flowers are fragrant
Bloom Size
Other details
May be a noxious weed or invasive
Soil pH requirements
Patent Information
Non-patented
Propagation Methods
Self-sows freely; deadhead if you do not want volunteer seedlings next season
Seed Collecting
Allow pods to dry on plant; break open to collect seeds
Regional

This plant is said to grow outdoors in the following regions:

Mill Valley, California

Monterey, California

Mountain View, California

San Francisco, California(3 reports)

Santa Rosa, California

Featured Videos

Gardener's Notes:

2
positives
2
neutrals
0
negative
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P
P
Mill Valley, CA | November 2016 | positive

A favorite plant. There is a blue/lavender flower version of Lupinus Arbors called Lupinus propinquus.“Blue Bush Lupine” (Syn. Lupinu...Read More

N
Santa Rosa, CA (Zone 9b) | May 2015 | positive

These are beautiful plants that thrive without additional care. They look magnificent out at the coast, however, 20 miles inland the cate...Read More

R
Del Rey Oaks, CA | July 2011 | neutral

I have one of these growing up in my garden. I didn't plant it (or even know what it was until researching it) and it is literally grow...Read More

E
E
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San Francisco, CA (Zone 10a) | June 2005 | neutral

Even though this is a CA native plant, it is considered harmful and invasive in coastal environments where it was introduced for erosion ...Read More

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Featured
Leaf beetle
(Cryptocephalus fulvus)
Carolina Chickadee
(Poecile carolinensis)