When does Dendromecon rigida bloom?

Tree-poppy blooms from March through June, producing showy yellow flowers that attract native bees and beetles.

What pollinators visit Dendromecon rigida?

Bees and beetles are the primary pollinators of tree-poppy, making it valuable for supporting native pollinator populations in California gardens.

Where is Dendromecon rigida native?

Tree-poppy is native to California, where it grows naturally in chaparral and woodland areas throughout much of the state.

Is Tree-poppy HOA-friendly?

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

Tree-poppy

Name: Pollinator Patch
Author: Pollinator Patch

Dendromecon rigida

Last reviewed: July 2026

Dendromecon rigida is a California native shrub that produces bright yellow poppy-like flowers from March through June. This drought-tolerant plant thrives in full sun and requires minimal water once established.

Tree-poppy (Dendromecon rigida) 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

36"–72" H × 36"–72" W

Bloom

Mar, Apr, May, Jun

Native to

Pollinators

bees, beetles

Browse plants for this ecoregion

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

Dendromecon rigida is an attractive evergreen shrub with bright golden-yellow flowers that bloom prolifically in spring and early summer. It has distinctive silvery-blue foliage and woody stems that create a striking architectural presence in drought-tolerant landscapes. This native shrub brings a sunny, cheerful element to gardens while requiring minimal water.

Growing Tree-poppy

Grow Tree-poppy in full sun and low water. Mature plants reach 36 to 72 inches tall and spread 36 to 72 inches wide. Expect moderate maintenance to keep it looking intentional in a front yard.

In an HOA neighborhood

Tree-poppy is an HOA-friendly choice. Maintenance level: moderate. Tidiness: 3 out of 5.

Works well in: foundation, mid zone.

Can appear somewhat rangy or open in structure without occasional pruning
May self-seed if spent flowers aren't removed
Woody appearance in winter might not appeal to all HOAs

Wildlife value

Tree-poppy flowers provide valuable nectar for native bees and attract various beetles as pollinators. The plant serves as an important early-season food source when many other natives aren't yet blooming.

Common questions

When does Dendromecon rigida bloom?: Tree-poppy blooms from March through June, producing showy yellow flowers that attract native bees and beetles.
What pollinators visit Dendromecon rigida?: Bees and beetles are the primary pollinators of tree-poppy, making it valuable for supporting native pollinator populations in California gardens.
Where is Dendromecon rigida native?: Tree-poppy is native to California, where it grows naturally in chaparral and woodland areas throughout much of the state.
Is Tree-poppy toxic to dogs?: Tree-poppy is not on the ASPCA Animal Poison Control Center toxic plant list for dogs (aspca.org).
Is Tree-poppy toxic to cats?: Tree-poppy is not on the ASPCA Animal Poison Control Center toxic plant list for cats (aspca.org).
Is Tree-poppy HOA-friendly?: Tree-poppy 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 Tree-poppy? Add it to your garden in Pollinator Patch to track it and get season-by-season care guidance.

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