How much sun does Southern Marsh Yellowcress need?

Southern Marsh Yellowcress grows best in part sun conditions.

When does Southern Marsh Yellowcress bloom?

Southern Marsh Yellowcress blooms in April, May, June, and July.

Where is Southern Marsh Yellowcress native?

Southern Marsh Yellowcress (Rorippa teres) is native to AL, AR, FL, GA and 7 more states, per vouchered herbarium specimen records and regional native plant society lists.

What pollinators does Southern Marsh Yellowcress attract?

Southern Marsh Yellowcress draws bees and flies.

Is Southern Marsh Yellowcress HOA-friendly?

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

Southern Marsh Yellowcress

Name: Pollinator Patch
Author: Pollinator Patch

Rorippa teres

Last reviewed: August 2026

Toxicity unknown

Southern Marsh Yellowcress (Rorippa teres) 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

high

Size

4"–16" H × 2"–8" W

Bloom

Apr, May, Jun, Jul

Native to

AL, AR, FL, GA and 7 more states

Pollinators

bees, flies

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.

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Browse plants for this ecoregion

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Southern marsh yellowcress is a small annual wildflower that produces tiny yellow blooms from spring through summer. This moisture-loving plant thrives in wet areas and naturally reseeds itself each year.

In an HOA neighborhood

Southern Marsh 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.

Extremely weedy appearance
Dies back completely as annual
Requires consistently wet conditions

Wildlife value

The small yellow flowers attract bees and flies during its long blooming period from April through July.

Common questions

How much sun does Southern Marsh Yellowcress need?: Southern Marsh Yellowcress grows best in part sun conditions.
When does Southern Marsh Yellowcress bloom?: Southern Marsh Yellowcress blooms in April, May, June, and July.
Where is Southern Marsh Yellowcress native?: Southern Marsh Yellowcress (Rorippa teres) is native to AL, AR, FL, GA and 7 more states, per vouchered herbarium specimen records and regional native plant society lists.
What pollinators does Southern Marsh Yellowcress attract?: Southern Marsh Yellowcress draws bees and flies.
Is Southern Marsh Yellowcress HOA-friendly?: Southern Marsh 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 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 Southern Marsh Yellowcress? Add it to your garden in Pollinator Patch to track it and get season-by-season care guidance.

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