How much sun does Oneflower Helianthella need?

Oneflower Helianthella grows best in part sun conditions.

When does Oneflower Helianthella bloom?

Oneflower Helianthella blooms in June, July, and August.

Where is Oneflower Helianthella native?

Oneflower Helianthella (Helianthella uniflora) is native to AZ, CO, ID, MT and 5 more states, per the USDA PLANTS Database and regional native plant society lists.

Is Oneflower Helianthella toxic to livestock?

The USDA PLANTS Database does not flag Oneflower Helianthella as toxic to livestock.

What pollinators does Oneflower Helianthella attract?

Oneflower Helianthella draws bees and butterflies.

Is Oneflower Helianthella HOA-friendly?

Oneflower Helianthella is generally an HOA-friendly choice in the right placement, with low maintenance.

Oneflower Helianthella

Name: Pollinator Patch
Author: Pollinator Patch

Helianthella uniflora

Last reviewed: June 2026

The USDA PLANTS Database (opens in new tab) does not flag Oneflower Helianthella as toxic to livestock.

Light

part sun

Water

low

Size

6"–24" H × 4"–12" W

Bloom

Jun, Jul, Aug

Native to

AZ, CO, ID, MT and 5 more states

Pollinators

bees, butterflies

Browse plants for this ecoregion

Central Basin and Range

Oneflower helianthella is a compact native wildflower that produces bright yellow, daisy-like blooms throughout the summer months. This low-maintenance perennial forms neat clumps and thrives in dry conditions with minimal water once established. Its manageable size and cheerful flowers make it an attractive addition to xeriscaped gardens.

In an HOA neighborhood

Oneflower Helianthella is an HOA-friendly choice. Maintenance level: low. Tidiness: 3 out of 5.

Works well in: mid zone, foundation, front yard.

May appear sparse or weedy when not in bloom
Unknown leaf retention could affect winter appearance

Wildlife value

The bright yellow flowers attract native bees and butterflies during the long summer blooming period. Its nectar-rich blooms provide valuable food sources for pollinators from June through August.

Common questions

How much sun does Oneflower Helianthella need?: Oneflower Helianthella grows best in part sun conditions.
When does Oneflower Helianthella bloom?: Oneflower Helianthella blooms in June, July, and August.
Where is Oneflower Helianthella native?: Oneflower Helianthella (Helianthella uniflora) is native to AZ, CO, ID, MT and 5 more states, per the USDA PLANTS Database and regional native plant society lists.
Is Oneflower Helianthella toxic to livestock?: The USDA PLANTS Database does not flag Oneflower Helianthella as toxic to livestock.
What pollinators does Oneflower Helianthella attract?: Oneflower Helianthella draws bees and butterflies.
Is Oneflower Helianthella HOA-friendly?: Oneflower Helianthella is generally an HOA-friendly choice in the right placement, with low 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 Oneflower Helianthella? Add it to your garden in Pollinator Patch to track it and get season-by-season care guidance.

Add this plant to your garden

iPhone app Android app

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