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Bladdermallow

Herissantia crispa

Last reviewed: September 2026

Bladdermallow (Herissantia crispa)
Photo: (c) Alex Abair, some rights reserved (CC BY)

Toxicity unknown

Bladdermallow (Herissantia crispa) is not listed by the ASPCA Animal Poison Control Center (opens in new tab) or the other sources we check, so we have no verdict for it either way. Absence from those lists is not a clearance. If your pet shows symptoms after eating any plant, call the ASPCA at (888) 426-4435.

Light

full sun

Water

low

Size

12"–24" H × 12"–24" W

Bloom

Apr, May, Jun, Jul, Aug, Sep

Native to

AZ, CA, FL, NM and 1 more states

Pollinators

bees, butterflies

Before you buy

Your city may pay you to plant this

Cities and water utilities offer rebates for replacing lawn with native and water-wise plants. We track 452 programs across 44 states, each with a link to the provider and the date we last checked it.

Find rebates in your area

Bladdermallow is a compact native wildflower that produces small, delicate blooms from spring through fall. This drought-tolerant perennial forms neat, low mounds and thrives in sunny locations with minimal water requirements.

In an HOA neighborhood

Bladdermallow takes more care to keep looking intentional in a front yard. Maintenance level: low. Consider it for backyard or mid-zone beds rather than the street edge.

Works well in: backyard only.

  • Wildflower appearance may be considered too informal
  • Small blooms can appear weedy to untrained eye
  • Name and appearance not familiar to most homeowners

Wildlife value

The long blooming season provides nectar for bees and butterflies from April through September. Its extended flowering period makes it valuable for supporting pollinators throughout the growing season.

Common questions

How much sun does Bladdermallow need?
Bladdermallow grows best in full sun conditions.
When does Bladdermallow bloom?
Bladdermallow blooms in April, May, June, July, August, and September.
Where is Bladdermallow native?
Bladdermallow (Herissantia crispa) is native to AZ, CA, FL, NM and 1 more states, per vouchered herbarium specimen records and regional native plant society lists.
What pollinators does Bladdermallow attract?
Bladdermallow draws bees and butterflies.
Is Bladdermallow HOA-friendly?
Bladdermallow takes more care to look intentional in a front yard. Consider it for backyard or mid-zone beds rather than the street edge.

Native range data from vouchered herbarium specimen records and regional native plant society lists. Pollinator and host plant associations compiled from GBIF, iNaturalist, and published ecological literature.

If something looks wrong

Common plant problems, and what to check first

These come up on almost any plant. Each guide lists the likely causes in the order they are worth ruling out, with one thing to check before you act on any of them, and links to the source it came from.

See all plant problem guides

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

Planning a bed around it? Start a free plan with this plant

Not sure where to start? Take the 2-minute yard quiz