North America Native Plant

Heartleaf Nettle

Botanical name: Urtica chamaedryoides

USDA symbol: URCH3

Life cycle: annual

Habit: forb

Native status: Native to the lower 48 states  

Synonyms: Urtica chamaedryoides Pursh var. runyonii Correll (URCHR)   

Heartleaf Nettle: A Humble Native with Quiet Charm If you’re looking for a showstopper that’ll make your neighbors gasp in admiration, heartleaf nettle (Urtica chamaedryoides) probably isn’t your plant. But if you’re the type of gardener who appreciates the subtle beauty of native plants and wants to support local wildlife, ...

Heartleaf Nettle: A Humble Native with Quiet Charm

If you’re looking for a showstopper that’ll make your neighbors gasp in admiration, heartleaf nettle (Urtica chamaedryoides) probably isn’t your plant. But if you’re the type of gardener who appreciates the subtle beauty of native plants and wants to support local wildlife, this unassuming annual might just earn a spot in your heart—and your garden.

Getting to Know Heartleaf Nettle

Heartleaf nettle is a native annual forb that calls much of the southeastern and south-central United States home. Unlike its more aggressive nettle cousins, this gentle soul won’t leave you with stinging welts after an accidental brush. It’s a modest little plant that prefers to blend into the background rather than command attention.

This native beauty can be found growing naturally across 18 states, from Texas and Florida in the south, stretching north to Illinois and New York, and everywhere in between including Alabama, Arkansas, Georgia, Kansas, Kentucky, Louisiana, Mississippi, Missouri, North Carolina, Ohio, Oklahoma, South Carolina, Tennessee, and West Virginia.

Why You Might Want to Grow Heartleaf Nettle

Let’s be honest—heartleaf nettle isn’t winning any beauty contests. Its small, heart-shaped leaves and tiny greenish flowers won’t create Instagram-worthy garden moments. However, this humble native offers several compelling reasons to consider it:

  • Native wildlife support: While it provides only a small percentage of diet for small mammals (2-5%), every bit helps support our local ecosystem
  • Low maintenance: As a native annual, it’s perfectly adapted to local growing conditions
  • Natural habitat restoration: Perfect for creating authentic native plant communities
  • Educational value: Great for teaching about native ecosystems and plant identification

Where Heartleaf Nettle Fits in Your Garden

This isn’t a plant for formal flower borders or manicured landscapes. Instead, heartleaf nettle shines in:

  • Natural areas and woodland gardens
  • Wildlife habitat gardens
  • Native plant collections
  • Educational or restoration projects
  • Shaded areas where other plants struggle

Growing Conditions and Care

One of heartleaf nettle’s best qualities is how easy-going it is about growing conditions. This adaptable native can handle various moisture levels, from fairly dry upland areas to occasionally wet spots. Its wetland status varies by region—it’s quite flexible about moisture in the Atlantic and Gulf Coastal Plains but generally prefers drier conditions in other areas.

Here’s what heartleaf nettle prefers:

  • Light: Partial shade to full shade
  • Soil: Adaptable to various soil types; tolerates disturbed soils
  • Moisture: Moderate moisture, though quite adaptable
  • USDA Zones: 5-9

Planting and Care Tips

Growing heartleaf nettle is refreshingly simple:

  • Seeding: Direct sow seeds in fall or early spring in prepared soil
  • Spacing: Allow plants to self-sow naturally for the most authentic look
  • Watering: Water during establishment; mature plants are quite drought tolerant
  • Maintenance: Virtually none required—this plant knows how to take care of itself
  • Self-seeding: Expect volunteer seedlings the following year

The Bottom Line

Heartleaf nettle won’t transform your garden into a botanical paradise, but it offers something perhaps more valuable—a genuine connection to your local ecosystem. If you have a natural area that needs native plants, or you’re working on habitat restoration, this modest annual deserves consideration.

For gardeners seeking more ornamental alternatives, consider pairing heartleaf nettle with showier native companions like wild bergamot, purple coneflower, or native asters. The nettle can quietly do its ecological work while more glamorous plants handle the visual appeal.

Sometimes the most important garden inhabitants are the ones that work behind the scenes, and heartleaf nettle is perfectly content with that supporting role.

Wildlife Status

Want to attract wildlife or keep hungry critters away from your garden? Understanding the relationship between plants and wildlife is key. While plant tags may indicate deer and rabbit resistance, they don't tell the full story. Every gardener has experienced the disappointment of purchasing "deer-resistant" plants only to find them nibbled to the ground!

The extent to which plants are resistant to animal browsing is a matter of degree. Likewise, the extent to which a plant attracts wanted visitors also varies. Whether you want a garden full or free of wildlife, learning about interactions between a plant and wild animals can help you make smarter choices for the garden you desire.

As shown below Shrubby Indian Mallow isn't a large food source for animals or birds. You can confidently add this plant to your garden and rest assured knowing it's unlikely to be devoured by four-legged visitors.

Small animals

2-5% of diet

Sparsely used as cover

Large animals

not a food source

not a source of cover

Terrestrial birds

not a food source

not a source of cover

Water birds

not a food source

not a source of cover

Sources:

Everitt, J.H., D.L. Drawe, and R.I. Lonard. 1999. Field guide to the broad leaved herbaceous plants of South Texas used by livestock and wildlife. Texas Tech University Press. Lubbock.

Heartleaf Nettle

Classification

Group

Dicot

Kingdom

Plantae - Plants

Subkingdom

Tracheobionta - Vascular plants

Superdivision

Spermatophyta - Seed plants

Division

Magnoliophyta - Flowering plants

Subdivision
Class

Magnoliopsida - Dicotyledons

Subclass

Hamamelididae

Order

Urticales

Family

Urticaceae Juss. - Nettle family

Genus

Urtica L. - nettle

Species

Urtica chamaedryoides Pursh - heartleaf nettle

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