North America Non-native Plant

Hesperis Matronalis Candida

Botanical name: Hesperis matronalis candida

USDA symbol: HEMAC2

Native status: Not native but doesn't reproduce and persist in the wild

Hesperis matronalis candida: A Garden Mystery Worth Investigating If you’ve stumbled across the name Hesperis matronalis candida in your gardening research, you might be scratching your head – and for good reason! This particular plant name presents quite the botanical puzzle that’s worth exploring. The Mystery of the Missing Plant ...

Hesperis matronalis candida: A Garden Mystery Worth Investigating

If you’ve stumbled across the name Hesperis matronalis candida in your gardening research, you might be scratching your head – and for good reason! This particular plant name presents quite the botanical puzzle that’s worth exploring.

The Mystery of the Missing Plant

Here’s the thing about plant names: they need to follow specific botanical rules, and Hesperis matronalis candida doesn’t appear in any of the major botanical databases or taxonomic references. While Hesperis matronalis (commonly known as Dame’s Rocket) is a well-documented species, the addition of candida as a variety or subspecies designation isn’t recognized in standard botanical nomenclature.

This could mean a few different things:

  • It might be an outdated or invalid name that’s no longer used
  • It could be a misidentification or typo
  • It might be a local or colloquial name that hasn’t been formally recognized
  • It could be a cultivar name that’s not widely documented

What This Means for Gardeners

If you’re looking to add this particular plant to your garden, you might want to double-check your source. Without verified botanical information, it’s impossible to provide reliable guidance about growing conditions, hardiness zones, or whether this plant would be appropriate for your specific garden situation.

A Better Path Forward

Instead of chasing this botanical ghost, consider exploring these alternatives:

  • Verify the name: Check with your plant source to confirm the exact botanical name and ask for documentation
  • Consider Dame’s Rocket: If you’re interested in Hesperis matronalis (the base species), research its appropriateness for your area – but be aware that it’s considered invasive in many regions
  • Explore native alternatives: Look into native plants in your area that might provide similar garden benefits without the uncertainty

The Importance of Accurate Plant Names

This situation perfectly illustrates why using correct botanical names matters in gardening. Accurate identification helps ensure you’re getting the right plant for your needs and allows you to research proper care requirements, potential invasiveness, and ecological impacts.

When in doubt, consult with local extension services, native plant societies, or reputable nurseries that can help you identify exactly what you’re looking for and suggest appropriate alternatives that will thrive in your specific growing conditions.

Remember: the best garden plants are the ones you can actually find, identify, and grow successfully – and that starts with having the right name!

Hesperis Matronalis Candida

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

Hesperis L. - rocket

Species

Hesperis matronalis L. - dames rocket

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