North America Native Plant

Claspingleaf Wild Cabbage

Botanical name: Caulanthus amplexicaulis var. amplexicaulis

USDA symbol: CAAMA

Life cycle: annual

Habit: forb

Native status: Native to the lower 48 states  

Synonyms: Streptanthus amplexicaulis (S. Watson) Jeps. (STAM7)   

Claspingleaf Wild Cabbage: A Quirky California Native Worth Knowing If you’re looking for a showy garden centerpiece, claspingleaf wild cabbage (Caulanthus amplexicaulis var. amplexicaulis) probably isn’t your plant. But if you’re passionate about California’s native flora and want to support local ecosystems, this humble annual deserves a spot on your ...

Claspingleaf Wild Cabbage: A Quirky California Native Worth Knowing

If you’re looking for a showy garden centerpiece, claspingleaf wild cabbage (Caulanthus amplexicaulis var. amplexicaulis) probably isn’t your plant. But if you’re passionate about California’s native flora and want to support local ecosystems, this humble annual deserves a spot on your radar.

What is Claspingleaf Wild Cabbage?

Don’t let the name fool you – this isn’t the cabbage you’ll find in your salad bowl! Claspingleaf wild cabbage is a native California annual that belongs to the mustard family (Brassicaceae). As a forb, it’s an herbaceous plant that lacks woody stems, making it a soft-textured addition to the landscape that completes its life cycle in just one growing season.

You might also encounter this plant listed under its scientific synonym, Streptanthus amplexicaulis, in older botanical references.

Where Does It Grow Naturally?

This California native has made its home exclusively in the Golden State, where it has adapted to local growing conditions over thousands of years. As a true native species, it plays an important role in supporting local wildlife and maintaining ecological balance.

Should You Plant Claspingleaf Wild Cabbage?

Here’s where it gets interesting – this plant is more about ecological value than eye-catching beauty. If you’re creating a native habitat garden or working on ecological restoration, claspingleaf wild cabbage could be a valuable addition. However, if you’re looking for dramatic blooms or striking foliage, you might want to consider other California natives with more ornamental appeal.

Garden Design and Landscape Role

Claspingleaf wild cabbage works best in:

  • Native plant restoration projects
  • Naturalized garden areas
  • Wildlife habitat gardens
  • Educational native plant collections

As an annual, it can fill in gaps between perennial natives and provide habitat for beneficial insects during its growing season.

Growing Conditions and Care

While specific growing requirements for this variety are not well-documented, most plants in the Caulanthus genus prefer:

  • Full sun exposure
  • Well-draining soils
  • Minimal water once established (drought-tolerant)
  • USDA hardiness zones typical for California (likely 8-10)

Since it’s an annual, claspingleaf wild cabbage will complete its entire life cycle in one growing season, potentially self-seeding for next year’s growth under favorable conditions.

Wildlife and Pollinator Benefits

Like many members of the mustard family, claspingleaf wild cabbage likely provides nectar and pollen for beneficial insects, particularly smaller pollinators. While specific wildlife relationships aren’t well-documented for this particular variety, native plants generally support local food webs in ways that non-native species cannot.

The Bottom Line

Claspingleaf wild cabbage might not win any beauty contests, but it represents the subtle charm of California’s native flora. Consider it if you’re passionate about supporting local ecosystems, working on habitat restoration, or simply want to grow something uniquely Californian. Just don’t expect it to be the star of your flower border – this modest native prefers to play a supporting role in nature’s grand production.

For gardeners seeking more ornamental California natives, consider exploring other species that offer both ecological benefits and visual appeal for your landscape design.

Claspingleaf Wild Cabbage

Classification

Group

Dicot

Kingdom

Plantae - Plants

Subkingdom

Tracheobionta - Vascular plants

Superdivision

Spermatophyta - Seed plants

Division

Magnoliophyta - Flowering plants

Subdivision
Class

Magnoliopsida - Dicotyledons

Subclass

Dilleniidae

Order

Capparales

Family

Brassicaceae Burnett - Mustard family

Genus

Caulanthus S. Watson - wild cabbage

Species

Caulanthus amplexicaulis S. Watson - claspingleaf wild cabbage

Plant data source: USDA, NRCS 2025. The PLANTS Database. https://plants.usda.gov,. 2/25/2025. National Plant Data Team, Greensboro, NC USA