When does whitewhorl lupine bloom?

Whitewhorl lupine typically flowers from March through June, producing its characteristic whorled clusters of pale flowers along upright stems.

How much water does whitewhorl lupine need?

This plant is adapted to low water conditions and does well with minimal irrigation once it is established, though occasional moisture in medium settings is also tolerated.

What kind of light does whitewhorl lupine need?

Whitewhorl lupine grows best in full sun and can also tolerate part sun conditions, making it suited to open, dry sites.

What pollinators are attracted to whitewhorl lupine?

Bees and butterflies are commonly seen visiting the flowers of whitewhorl lupine during its spring bloom period.

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: August 2026

Whitewhorl lupine (Lupinus densiflorus) is a low-water forb that blooms from March through June, with whorled clusters of white to cream flowers that draw bees and butterflies. It grows best in full sun with well-drained soil.

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

CA, NV, OR, WA

Pollinators

bees, butterflies

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Browse plants for this ecoregion

Coast Range Puget Lowland Sierra Nevada Central California Foothills and Coastal Mountains Central California Valley Southern California Mountains Mojave Basin and Range Arizona/New Mexico Mountains Northwestern Forested Mountains Sonoran Basin and Range Southern California/Northern Baja Coast

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

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 flowers from March through June, producing its characteristic whorled clusters of pale flowers along upright stems.
How much water does whitewhorl lupine need?: This plant is adapted to low water conditions and does well with minimal irrigation once it is established, though occasional moisture in medium settings is also tolerated.
What kind of light does whitewhorl lupine need?: Whitewhorl lupine grows best in full sun and can also tolerate part sun conditions, making it suited to open, dry sites.
What pollinators are attracted to whitewhorl lupine?: Bees and butterflies are commonly seen visiting the flowers of whitewhorl lupine during its spring bloom period.
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.

These answers were drafted with an AI model from this plant's data. Verify care details with a local expert.

Native range data from the World Checklist of Vascular Plants (Kew). Pollinator and host plant associations compiled from GBIF, iNaturalist, and published ecological literature.

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