North America Non-native Plant

Teucrium Laevigatum Var. Laevigatum

Botanical name: Teucrium laevigatum var. laevigatum

USDA symbol: TELA6

Life cycle: annual

Habit: forb

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

Synonyms: Teucrium cubense Jacq. ssp. laevigatum (Vahl) E.M. McClint. & Epling (TECUL)   

Teucrium laevigatum var. laevigatum: The Mysterious Annual Germander Meet Teucrium laevigatum var. laevigatum, a plant that’s as enigmatic as its lengthy botanical name suggests! This little-known annual belongs to the mint family and falls into the category of what botanists call a forb – essentially a non-woody herbaceous plant that ...

Teucrium laevigatum var. laevigatum: The Mysterious Annual Germander

Meet Teucrium laevigatum var. laevigatum, a plant that’s as enigmatic as its lengthy botanical name suggests! This little-known annual belongs to the mint family and falls into the category of what botanists call a forb – essentially a non-woody herbaceous plant that completes its life cycle in a single growing season.

What’s in a Name?

While this plant goes by the scientific name Teucrium laevigatum var. laevigatum, it doesn’t have a widely recognized common name, which already tells us something about its obscurity in the gardening world. You might occasionally see it referenced by its botanical synonym, Teucrium cubense ssp. laevigatum, which gives us a hint about its possible geographic origins.

Where Does It Come From?

Here’s where things get a bit murky – the exact native range and distribution of this particular variety remains unclear in readily available botanical literature. The synonym cubense suggests possible Caribbean connections, but without definitive data, its true native status remains undefined.

The Mystery Plant Dilemma

Here’s the thing about Teucrium laevigatum var. laevigatum – it’s something of a botanical mystery plant. While we know it’s an annual forb that lacks woody tissue and likely belongs to warmer climates, many crucial details remain unknown, including:

  • Specific growing requirements
  • Mature size and growth rate
  • Flower characteristics and timing
  • Hardiness zones
  • Wildlife and pollinator benefits
  • Potential invasive tendencies

Should You Grow It?

This is where we need to pump the brakes a bit. While there’s something romantically appealing about growing a mysterious plant, the lack of information about Teucrium laevigatum var. laevigatum makes it difficult to recommend for home gardens. Without knowing its growing requirements, potential invasiveness, or even its basic care needs, you’d essentially be conducting a botanical experiment in your backyard.

If you’re drawn to the Teucrium genus, consider exploring better-documented species that offer known benefits and growing requirements. Many native plants in your region will provide more reliable results and established ecological benefits.

The Bottom Line

Teucrium laevigatum var. laevigatum represents one of those intriguing gaps in our horticultural knowledge. While its annual nature means any gardening experiments would be temporary, the lack of comprehensive growing information makes it a risky choice for most gardeners. Sometimes the most responsible approach is to admire a plant’s mystery from afar while choosing better-understood alternatives for our gardens.

If you’re absolutely determined to explore this variety, proceed with caution, source seeds or plants responsibly, and consider consulting with local botanical experts or extension services who might have regional knowledge about its behavior and suitability for your specific area.

Teucrium Laevigatum Var. Laevigatum

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

Teucrium L. - germander

Species

Teucrium cubense Jacq. - small coastal germander

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