North America Native Plant

Milkmaids

Botanical name: Cardamine californica var. cuneata

USDA symbol: CACAC16

Life cycle: perennial

Habit: forb

Native status: Native to the lower 48 states  

Synonyms: Cardamine californica (Nutt.) Greene ssp. cuneata (Greene) O.E. Schulz (CACAC)  âš˜  Cardamine cuneata Greene (CACU14)  âš˜  Dentaria californica Nutt. var. cuneata (Greene) Detling (DECAC6)   

Milkmaids: California’s Delicate Native Wildflower If you’re looking to add a touch of California’s natural charm to your garden, you might want to consider milkmaids (Cardamine californica var. cuneata). This delicate native perennial has been quietly gracing California’s landscapes for generations, though it remains one of the state’s lesser-known botanical ...

Rare plant alert!

Region: Conservation status by state

Status: S5T2T3: Status is uncertain but is somewhere between the following rankings: Subspecies or variety is imperiled: Extremely rare due to factor(s) making it especially vulnerable to extinction. Typically 6 to 20 occurrences or few remaining individuals (1,000 to 3,000) ⚘ Subspecies or variety is vulnerable: Either very rare and local throughout its range, found only in a restricted range (even if abundant at some locations), or factors are making it vulnerable to extinction. Typically 21 to 100 occurrences or between 3,000 and 10,000 individuals. ⚘ Secure: At very low or no risk of extinction in the jurisdiction due to a very extensive range, abundant populations or occurrences, with little to no concern from declines or threats. ⚘

Milkmaids: California’s Delicate Native Wildflower

If you’re looking to add a touch of California’s natural charm to your garden, you might want to consider milkmaids (Cardamine californica var. cuneata). This delicate native perennial has been quietly gracing California’s landscapes for generations, though it remains one of the state’s lesser-known botanical treasures.

What Are Milkmaids?

Milkmaids belong to the mustard family and are classified as forbs – essentially herbaceous plants that lack significant woody tissue. Think of them as the gentle cousins of more robust perennials, staying low to the ground with soft, non-woody stems that die back seasonally while the root system persists year after year.

This particular variety has quite a family tree of botanical names, having been known by several scientific names over the years, including Cardamine cuneata and Dentaria californica var. cuneata. Botanists sure love their Latin!

Where Do Milkmaids Call Home?

Milkmaids are true California natives, found exclusively within the Golden State’s borders. They’re part of California’s rich tapestry of endemic plants that have evolved specifically to thrive in the state’s unique Mediterranean climate and diverse ecosystems.

Should You Plant Milkmaids in Your Garden?

Here’s where things get important: Milkmaids carry a conservation status of S5T2T3, which indicates some level of rarity or conservation concern. If you’re interested in growing this charming native, it’s crucial to source your plants responsibly.

Responsible Gardening with Rare Natives

When dealing with plants that have conservation status, here are some guidelines to follow:

  • Only purchase from reputable native plant nurseries that propagate their own stock
  • Never collect seeds or plants from wild populations
  • Consider supporting habitat restoration projects in your area
  • Ask nurseries about the origin of their plant material

What We Know (And Don’t Know) About Growing Milkmaids

Unfortunately, detailed growing information for this specific variety is limited in available resources. As with many California natives, milkmaids likely prefer well-draining soil and can handle the state’s dry summers once established. However, specific care requirements, preferred growing conditions, and hardiness zones aren’t well-documented for this particular variety.

If you’re determined to grow milkmaids, your best bet is to:

  • Contact local native plant societies for growing advice
  • Reach out to botanical gardens or university extension programs in California
  • Connect with experienced native plant gardeners in your area

The Bigger Picture

While we may not have all the growing details for milkmaids, they represent something important: California’s incredible plant diversity and the need to protect it. Even if you can’t grow this particular variety, consider supporting native plant conservation by choosing other well-documented California natives for your garden.

Sometimes the most responsible thing we can do as gardeners is to admire certain plants in their natural habitat while focusing our cultivation efforts on natives that are more readily available and better understood. Your local native plant nursery can help you find beautiful California natives that will thrive in your garden while supporting local ecosystems.

The Bottom Line

Milkmaids are a fascinating piece of California’s botanical puzzle, but they’re not the easiest choice for most home gardeners. If you’re passionate about growing this specific plant, do your homework, source responsibly, and consider connecting with conservation groups to learn more. Otherwise, there are plenty of other stunning California natives that might be better suited to your garden and easier on your green thumb!

Milkmaids

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

Cardamine L. - bittercress

Species

Cardamine californica (Nutt.) Greene - milkmaids

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