When does Whitewhorl Lupine bloom?

Whitewhorl Lupine typically blooms from March through June, producing white flower spikes during the spring months.

What pollinators visit Lupinus densiflorus?

Whitewhorl Lupine attracts bees and butterflies, which are its primary pollinators during the blooming season.

Where is Whitewhorl Lupine native?

Lupinus densiflorus is native to California, where it grows naturally in various habitats throughout the state.

What growing conditions does Whitewhorl Lupine prefer?

This lupine thrives in full sun conditions and requires low water, making it well-suited for drought-tolerant gardens and native plant landscapes.

Is Whitewhorl Lupine HOA-friendly?

Whitewhorl Lupine is generally an HOA-friendly choice in the right placement, with moderate maintenance.

Whitewhorl Lupine

Name: Pollinator Patch
Author: Pollinator Patch

Lupinus densiflorus

Last reviewed: July 2026

Whitewhorl Lupine is a California native wildflower that blooms from March to June with distinctive white flower spikes. This drought-tolerant forb thrives in full sun and attracts bees and butterflies.

Whitewhorl Lupine (Lupinus densiflorus) is not on the ASPCA Animal Poison Control Center toxic plant list for dogs or cats (aspca.org (opens in new tab), last reviewed 2026-05-21). If your pet shows symptoms after eating any plant, call the ASPCA at (888) 426-4435.

Light

full sun

Water

low

Size

8"–24" H × 8"–24" W

Bloom

Mar, Apr, May, Jun

Native to

Pollinators

bees, butterflies

Browse plants for this ecoregion

Coast Range Sierra Nevada Central California Valley Central California Foothills and Coastal Mountains Southern California Mountains Mojave Basin and Range Sonoran Basin and Range

Whitewhorl lupine is a showy annual native with dense clusters of white to pink flowers atop 8-24 inch stems. It features palmate leaves and blooms profusely from spring into early summer. This lupine prefers full sun and requires little water once established.

Growing Whitewhorl Lupine

Grow Whitewhorl Lupine in full sun and low water. Mature plants reach 8 to 24 inches tall and spread 8 to 24 inches wide. Expect moderate maintenance to keep it looking intentional in a front yard.

In an HOA neighborhood

Whitewhorl Lupine is an HOA-friendly choice in the right placement. Maintenance level: moderate. Tidiness: 3 out of 5.

Works well in: front yard, mid zone.

Annual life cycle means it disappears entirely after seed set
May self-seed and appear somewhat random in distribution
Foliage can look untidy after blooming

Wildlife value

Host plant for blue butterfly.

Whitewhorl lupine is excellent for supporting native bees and butterflies, providing both nectar and pollen during its bloom period. It's particularly valuable for native specialist bee species that rely on lupines.

Common questions

When does Whitewhorl Lupine bloom?: Whitewhorl Lupine typically blooms from March through June, producing white flower spikes during the spring months.
What pollinators visit Lupinus densiflorus?: Whitewhorl Lupine attracts bees and butterflies, which are its primary pollinators during the blooming season.
Where is Whitewhorl Lupine native?: Lupinus densiflorus is native to California, where it grows naturally in various habitats throughout the state.
What growing conditions does Whitewhorl Lupine prefer?: This lupine thrives in full sun conditions and requires low water, making it well-suited for drought-tolerant gardens and native plant landscapes.
Is Whitewhorl Lupine toxic to dogs?: Whitewhorl Lupine is not on the ASPCA Animal Poison Control Center toxic plant list for dogs (aspca.org).
Is Whitewhorl Lupine toxic to cats?: Whitewhorl Lupine is not on the ASPCA Animal Poison Control Center toxic plant list for cats (aspca.org).
Is Whitewhorl Lupine HOA-friendly?: Whitewhorl Lupine is generally an HOA-friendly choice in the right placement, with moderate maintenance.

Native range data from the USDA PLANTS Database and regional native plant society lists. Pollinator and host plant associations compiled from GBIF, iNaturalist, and published ecological literature.

Ready to grow Whitewhorl Lupine? Add it to your garden in Pollinator Patch to track it and get season-by-season care guidance.

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