Skip to main content

Basin Cryptantha

Cryptantha ambigua

Last reviewed: June 2026

Basin Cryptantha (Cryptantha ambigua)
Photo: (c) Steve Matson, some rights reserved (CC BY), uploaded by Steve Matson

Light

full sun

Water

low

Size

4"–12" H × 3"–8" W

Bloom

May, Jun, Jul

Native to

CA, CO, ID, MA and 6 more states

Pollinators

bees, beetles

Basin cryptantha is a small annual wildflower that forms low, compact mounds with tiny white flowers clustered along short stems. This drought-tolerant native blooms from May through July and naturally reseeds in suitable locations. The plant has a delicate, somewhat fuzzy appearance with small leaves and inconspicuous growth habit.

In an HOA neighborhood

Basin Cryptantha 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.

  • Very small and easily overlooked, may appear weedy
  • Annual nature means gaps when plants don't establish
  • Informal wildflower appearance doesn't fit typical landscaping expectations

Wildlife value

The small white flowers attract native bees and beetles during the late spring and summer blooming period. As a native annual, it provides early season nectar when few other plants are flowering.

Common questions

How much sun does Basin Cryptantha need?
Basin Cryptantha grows best in full sun conditions.
When does Basin Cryptantha bloom?
Basin Cryptantha blooms in May, June, and July.
Where is Basin Cryptantha native?
Basin Cryptantha (Cryptantha ambigua) is native to CA, CO, ID, MA and 6 more states, per the USDA PLANTS Database and regional native plant society lists.
What pollinators does Basin Cryptantha attract?
Basin Cryptantha draws bees and beetles.
Is Basin Cryptantha HOA-friendly?
Basin Cryptantha 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 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 Basin Cryptantha? Add it to your garden in Pollinator Patch to track it and get season-by-season care guidance.

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