North America Non-native Plant

Woodland Calamint

Botanical name: Calamintha sylvatica ascendens

USDA symbol: CASYA

Life cycle: perennial

Habit: forb

Native status: Non-native, reproduces and persists in the wild in the lower 48 states  

Synonyms: Calamintha officinalis auct. non Moench (CAOF2)  âš˜  Satureja calamintha (L.) Scheele ssp. ascendens (Jord.) Briq. (SACAA)  âš˜  Satureja sylvatica (Bromf.) K. Maly ssp. ascendens (Jord.) Roy L. Taylor & MacBryde (SASYA)   

Woodland Calamint: A Lesser-Known Perennial Herb If you’ve stumbled across the name woodland calamint (Calamintha sylvatica ascendens) in your gardening research, you might be wondering what exactly this plant is and whether it deserves a spot in your garden. Let’s dive into what we know about this somewhat mysterious member ...

Woodland Calamint: A Lesser-Known Perennial Herb

If you’ve stumbled across the name woodland calamint (Calamintha sylvatica ascendens) in your gardening research, you might be wondering what exactly this plant is and whether it deserves a spot in your garden. Let’s dive into what we know about this somewhat mysterious member of the mint family.

What Is Woodland Calamint?

Woodland calamint is a perennial herb that belongs to the mint family. As a forb, it’s an herbaceous plant without woody stems – think of it as a cousin to your garden herbs like basil and oregano, but with its own unique personality. The plant lacks the thick, woody growth you’d see in shrubs and trees, instead producing soft, green stems that die back in winter and regrow each spring.

Native Status and Distribution

Here’s where things get interesting (and a bit concerning for native plant enthusiasts): woodland calamint isn’t actually native to North America. This European introduction has established itself in the wild and now reproduces on its own in parts of California and Virginia. While it’s not necessarily causing ecological havoc, it’s worth noting that this plant is essentially a naturalized immigrant in our landscapes.

Should You Grow Woodland Calamint?

This is where things get a bit tricky. With limited information available about this specific plant’s garden performance, invasive potential, and ecological impact, it’s hard to give a definitive recommendation. What we do know is that it’s a non-native species that has already shown it can establish itself in the wild.

If you’re passionate about supporting native ecosystems, you might want to consider some fantastic native alternatives instead:

  • Wild bergamot (Monarda fistulosa) – a native mint family member that pollinators absolutely adore
  • Mountain mint (Pycnanthemum species) – aromatic natives that bring both fragrance and wildlife value
  • Native basils like American basil (Clinopodium arkansanum) in appropriate regions

Growing Conditions and Care

Unfortunately, specific growing information for woodland calamint is quite limited in available resources. As a member of the mint family, it likely prefers:

  • Well-draining soil (most mints hate soggy feet)
  • Partial shade to full sun exposure
  • Moderate watering once established
  • Regular harvesting or deadheading to prevent excessive self-seeding

However, without concrete data on its hardiness zones, specific soil preferences, or growth habits, growing this plant would be somewhat experimental.

The Bottom Line

Woodland calamint falls into that gray area of gardening where information is scarce and the ecological impact is unclear. While it’s not flagged as invasive or noxious, its non-native status and ability to naturalize should give environmentally conscious gardeners pause.

If you’re drawn to mint-family plants for their aromatic qualities and herbal uses, why not explore the wonderful world of native alternatives instead? You’ll get the fragrance and texture you’re after while supporting local pollinators and maintaining the ecological integrity of your region.

Remember, every garden is an opportunity to support native wildlife and preserve the natural heritage of your area. Sometimes the most rewarding plants are the ones that have been quietly thriving in your region for thousands of years!

Woodland Calamint

Classification

Group

Dicot

Kingdom

Plantae - Plants

Subkingdom

Tracheobionta - Vascular plants

Superdivision

Spermatophyta - Seed plants

Division

Magnoliophyta - Flowering plants

Subdivision
Class

Magnoliopsida - Dicotyledons

Subclass

Asteridae

Order

Lamiales

Family

Lamiaceae Martinov - Mint family

Genus

Calamintha Mill. - calamint

Species

Calamintha sylvatica Bromf. - woodland calamint

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