Bulbous Bittercress
Cardamine bulbosa
Last reviewed: June 2026
The USDA PLANTS Database (opens in new tab) does not flag Bulbous Bittercress as toxic to livestock.
Light
part shade
Water
medium
Size
6"–12" H × 4"–8" W
Bloom
Apr, May, Jun
Native to
AL, AR, CT, DE and 30 more states
Pollinators
bees, beetles, flies
Browse plants for this ecoregion
Bulbous bittercress is a low-growing native wildflower that produces small white four-petaled flowers in spring and early summer. This compact perennial thrives in partially shaded areas with consistent moisture, making it useful for woodland gardens or naturalized areas. The plant has a relatively short growing season and may go dormant in summer heat.
In an HOA neighborhood
Bulbous Bittercress 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 informal wildflower appearance
- Goes dormant leaving gaps in plantings
- May be perceived as weedy due to 'bittercress' name
Wildlife value
The spring flowers provide nectar for various pollinators including native bees, beetles, and flies during an important early season period. As a member of the mustard family, it also serves as a host plant for some butterfly caterpillars.
Common questions
- How much sun does Bulbous Bittercress need?
- Bulbous Bittercress grows best in part shade conditions.
- When does Bulbous Bittercress bloom?
- Bulbous Bittercress blooms in April, May, and June.
- Where is Bulbous Bittercress native?
- Bulbous Bittercress (Cardamine bulbosa) is native to AL, AR, CT, DE and 30 more states, per the USDA PLANTS Database and regional native plant society lists.
- Is Bulbous Bittercress toxic to livestock?
- The USDA PLANTS Database does not flag Bulbous Bittercress as toxic to livestock.
- What pollinators does Bulbous Bittercress attract?
- Bulbous Bittercress draws bees, beetles, and flies.
- Is Bulbous Bittercress HOA-friendly?
- Bulbous Bittercress 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 Bulbous Bittercress? Add it to your garden in Pollinator Patch to track it and get season-by-season care guidance.
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