North America Non-native Plant

Coleus

Botanical name: Coleus barbatus

USDA symbol: COBA10

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

Coleus: A Fragrant Herb Worth Growing in Your Garden If you’re looking to add a touch of aromatic charm to your garden, Coleus barbatus might just be the herb you didn’t know you needed. This delightful plant, commonly known simply as coleus, brings together medicinal history, pleasant fragrance, and easy-care ...

Coleus: A Fragrant Herb Worth Growing in Your Garden

If you’re looking to add a touch of aromatic charm to your garden, Coleus barbatus might just be the herb you didn’t know you needed. This delightful plant, commonly known simply as coleus, brings together medicinal history, pleasant fragrance, and easy-care growing habits in one neat package.

What Makes This Coleus Special

Don’t confuse this coleus with its flashy foliage cousins! Coleus barbatus is all about substance over style. This aromatic herb produces small, tubular flowers in shades of blue to purple, while its green, serrated leaves release a pleasant fragrance when brushed against. It’s like having a living potpourri in your garden.

Where Does It Come From?

Coleus barbatus calls the tropical regions of Africa and Asia home, with particular ties to India and East Africa. This warm-weather native has been cherished in traditional medicine for centuries, and it’s easy to see why gardeners worldwide have welcomed it into their spaces.

Why You Might Want to Grow It

This charming herb offers several compelling reasons to earn a spot in your garden:

  • Easy-going nature that forgives beginner mistakes
  • Attracts bees and other beneficial pollinators with its small but mighty flowers
  • Drought tolerant once established, perfect for water-wise gardening
  • Aromatic leaves add sensory appeal to garden borders
  • Excellent for container growing if space is limited
  • Rich history in traditional medicine adds cultural interest

Perfect Garden Spots

Coleus barbatus shines in several garden settings. It’s a natural fit for herb gardens and medicinal plant collections, where its historical significance can be appreciated. The plant also works beautifully as a border plant or tucked into containers on patios and decks. If you’re creating a pollinator garden, this little herb will contribute its fair share of nectar.

Growing Conditions and Care

The good news? This coleus is refreshingly uncomplicated to grow. Here’s what it needs to thrive:

  • Light: Full sun to partial shade (morning sun with afternoon protection works well)
  • Soil: Well-draining soil is crucial – soggy roots spell trouble
  • Water: Regular watering until established, then quite drought tolerant
  • Climate: Thrives in USDA zones 9-11; grow as an annual in cooler areas

Planting and Care Tips

Getting started with Coleus barbatus is straightforward. Plant after the last frost when soil has warmed up. If you’re growing it for medicinal or culinary use, pinch off flower buds to encourage leaf production. Otherwise, let those blooms develop to feed your local pollinators!

The plant appreciates consistent moisture during its establishment period but becomes quite self-sufficient once its roots are settled. A light feeding during the growing season will keep it happy, but it’s not particularly fussy about nutrition.

A Note for Native Plant Enthusiasts

While Coleus barbatus isn’t native to North America, it appears to be a well-behaved garden citizen without invasive tendencies. If you prefer to stick with native alternatives, consider exploring indigenous mints or other aromatic herbs native to your specific region that might offer similar benefits to pollinators and sensory appeal.

The Bottom Line

Coleus barbatus offers an appealing combination of easy care, pollinator benefits, and aromatic charm. Whether you’re drawn to its historical significance, its role in supporting beneficial insects, or simply its pleasant fragrance, this herb can find a happy home in many garden styles. Just remember to treat it as an annual if you’re gardening in cooler zones, and always ensure good drainage to keep it at its best.

Coleus

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

Coleus Lour. - coleus

Species

Coleus barbatus (Andrews) Benth. - coleus

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