North America Native Plant

Radford’s Balm

Botanical name: Dicerandra radfordiana

USDA symbol: DIRA2

Life cycle: annual

Habit: forb

Native status: Native to the lower 48 states  

Radford’s Balm: A Rare Georgia Native Worth Protecting If you’re the kind of gardener who gets excited about growing something truly special—something that most people have never heard of—then Radford’s balm might just be your next obsession. This little-known Georgia native is as rare as it is charming, making it ...

Rare plant alert!

Region: Conservation status by state

Status: S1Q: Status is uncertain but is somewhere between the following rankings: Uncertain taxonomy: ⚘ Critically Imperiled: Extremely rare due to factor(s) making it especially vulnerable to extinction. Typically 5 or fewer occurrences or very few remaining individuals (<1,000) ⚘

Radford’s Balm: A Rare Georgia Native Worth Protecting

If you’re the kind of gardener who gets excited about growing something truly special—something that most people have never heard of—then Radford’s balm might just be your next obsession. This little-known Georgia native is as rare as it is charming, making it a plant that comes with both incredible rewards and serious responsibility.

What Makes Radford’s Balm Special?

Radford’s balm (Dicerandra radfordiana) is what botanists call a forb—essentially a soft-stemmed herbaceous plant that lacks woody tissue. As an annual, this petite beauty completes its entire life cycle in just one growing season, making every year with it feel like a gift. The plant produces clusters of small, delicate flowers that range from white to pale purple, creating a subtle but lovely display that native pollinators absolutely adore.

What really sets this plant apart, though, is its aromatic foliage. Brush against it, and you’ll understand why it’s called a balm—the leaves release a pleasant, minty fragrance that’s both refreshing and memorable.

A True Georgia Native

Radford’s balm is a proud Georgia native, found naturally only within the Peach State’s borders. This makes it what scientists call an endemic species—a plant that exists nowhere else on Earth naturally. Talk about local pride! It’s specifically adapted to Georgia’s Coastal Plain, where it grows in the sandy soils that many other plants can’t handle.

Why This Plant Needs Your Help

Here’s where things get serious: Radford’s balm has a Global Conservation Status of S1Q, indicating it’s extremely rare and potentially at risk. This isn’t a plant you’ll find at your local garden center, and that’s actually a good thing—it means we need to be thoughtful about how and where it’s grown.

If you’re considering adding this species to your garden, please make sure you’re obtaining seeds or plants from reputable sources that collect responsibly. Never collect from wild populations, as this could harm the already limited natural stands.

Growing Radford’s Balm Successfully

Don’t let its rarity fool you—Radford’s balm isn’t necessarily hard to grow if you can provide the right conditions. Think of it as a plant with very specific preferences rather than a diva.

Perfect Growing Conditions

  • Sunlight: Full sun is essential—this plant loves basking in bright light
  • Soil: Well-draining sandy soil is crucial; heavy clay will spell disaster
  • Water: Drought tolerant once established, but avoid overwatering at all costs
  • Climate: Thrives in USDA zones 8-9, matching its Georgia heritage

Planting and Care Tips

Since Radford’s balm is an annual, you’ll need to either collect seeds each year or allow it to self-seed (which it often does happily in the right conditions). Direct seeding tends to work better than transplanting, as the plants prefer to establish themselves without root disturbance.

The key to success is mimicking its natural habitat: think sandy, sunny, and not too fussy about water once it’s settled in. If your soil is heavy, consider growing it in raised beds or containers with a sandy potting mix.

Supporting Native Pollinators

One of the best reasons to grow Radford’s balm is its value to native pollinators. Small native bees and other beneficial insects are drawn to its modest but nectar-rich flowers. By providing this native food source, you’re supporting the intricate web of relationships that keep Georgia’s ecosystems healthy.

Is Radford’s Balm Right for Your Garden?

This isn’t a plant for every gardener, and that’s perfectly okay. Radford’s balm is ideal for:

  • Native plant enthusiasts who want to grow something truly unique
  • Conservation-minded gardeners willing to source plants responsibly
  • Those with sandy, well-draining soils and full sun locations
  • Gardeners in zones 8-9 who want to support local pollinators

If you’re looking for a showy centerpiece or a low-maintenance groundcover, this probably isn’t your plant. But if you’re drawn to the idea of growing something rare and meaningful—something that connects your garden to Georgia’s unique natural heritage—then Radford’s balm might be exactly what you’re looking for.

A Plant Worth Preserving

Growing Radford’s balm isn’t just about adding another species to your garden—it’s about participating in conservation. Every responsibly grown plant helps ensure this Georgia treasure doesn’t disappear from the world. And really, isn’t that the kind of gardening story worth being part of?

Radford’s Balm

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

Dicerandra Benth. - balm

Species

Dicerandra radfordiana R.B. Huck - Radford's balm

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