Non-native Plants

Teucrium Laevigatum Var. Laevigatum

Teucrium laevigatum var. laevigatum

USDA symbol: TELA6

annual forb

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 ...

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 is also known as...

Often we refer to plants by their common names. When shopping for plants the scientific name is the best way to positively identify the plant species you desire. But some plants have more than one name! While it doesn't happen often, nurseries might display one name while you're searching for another. Teucrium laevigatum var. laevigatum is also known as:

Teucrium cubense ssp. laevigatum McClint. & | USDA symbol: TECUL

Why do some plants have more than one name? Over time plant species may be renamed for a few reasons:

  1. Botanists in different regions named the same plant without knowing it had already been classified.
  2. A species was reclassified after scientific advances in, for example, DNA analysis.
  3. Slight variations within a species are sometimes mistakenly identified as entirely new species.

Classification

Group: Dicot
Kingdom: Plantae - Plants
Subkingdom: Tracheobionta - Vascular plants
Superdivision: Spermatophyta - Seed plants
Division: Magnoliophyta - Flowering plants
Class: Magnoliopsida - Dicotyledons
Subclass: Asteridae
Order: Lamiales
Family: Lamiaceae Martinov - Mint family
Genus: Teucrium L. - germander

Species: Teucrium cubense Jacq. - small coastal germander

Variety: Teucrium laevigatum Vahl[excluded] var. laevigatum (Vahl) Shinners

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