How much sun does Blunt-leaf Yellowcress need?

Blunt-leaf Yellowcress grows best in part sun conditions.

When does Blunt-leaf Yellowcress bloom?

Blunt-leaf Yellowcress blooms in May, June, July, and August.

Where is Blunt-leaf Yellowcress native?

Blunt-leaf Yellowcress (Rorippa curvipes) is native to AR, AZ, CA, CO and 16 more states, per the World Checklist of Vascular Plants (Kew).

What pollinators does Blunt-leaf Yellowcress attract?

Blunt-leaf Yellowcress draws bees and beetles.

Is Blunt-leaf Yellowcress HOA-friendly?

Blunt-leaf Yellowcress takes more care to look intentional in a front yard. Consider it for backyard or mid-zone beds rather than the street edge.

Blunt-leaf Yellowcress

Name: Pollinator Patch
Author: Pollinator Patch

Rorippa curvipes

Last reviewed: August 2026

Toxicity unknown

Blunt-leaf Yellowcress (Rorippa curvipes) 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

part sun

Water

medium

Size

6"–24" H × 4"–12" W

Bloom

May, Jun, Jul, Aug

Native to

AR, AZ, CA, CO and 16 more states

Pollinators

bees, beetles

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 437 programs across 44 states, each with a link to the provider and the date we last checked it.

Find rebates in your area

Browse plants for this ecoregion

Marine West Coast Forest Northwestern Forested Mountains Sierra Nevada Central California Foothills and Coastal Mountains Southern California Mountains North American Deserts Central Basin and Range Southern Rockies Arizona/New Mexico Mountains High Plains Northwestern Great Plains Great Plains Western Corn Belt Plains Interior River Valleys and Hills

Blunt-leaf yellowcress is a small annual wildflower that produces clusters of tiny yellow flowers from late spring through summer. This native plant grows in a compact, low-spreading form and thrives in partially sunny locations with consistent moisture.

In an HOA neighborhood

Blunt-leaf Yellowcress 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 flowers may appear weedy to neighbors
Annual nature means gaps in coverage
Common name includes 'weed' which raises HOA concerns

Wildlife value

The small yellow flowers attract native bees and beneficial beetles throughout the growing season. As an annual, it provides nectar resources during peak pollinator activity months.

Common questions

How much sun does Blunt-leaf Yellowcress need?: Blunt-leaf Yellowcress grows best in part sun conditions.
When does Blunt-leaf Yellowcress bloom?: Blunt-leaf Yellowcress blooms in May, June, July, and August.
Where is Blunt-leaf Yellowcress native?: Blunt-leaf Yellowcress (Rorippa curvipes) is native to AR, AZ, CA, CO and 16 more states, per the World Checklist of Vascular Plants (Kew).
What pollinators does Blunt-leaf Yellowcress attract?: Blunt-leaf Yellowcress draws bees and beetles.
Is Blunt-leaf Yellowcress HOA-friendly?: Blunt-leaf Yellowcress 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 World Checklist of Vascular Plants (Kew). Pollinator and host plant associations compiled from GBIF, iNaturalist, and published ecological literature.

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

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