North America Native Plant

Kairn’s Sensitive-briar

Botanical name: Mimosa latidens

USDA symbol: MILA15

Life cycle: perennial

Habit: forb

Native status: Native to the lower 48 states  

Synonyms: Mimosa quadrivalvis L. var. latidens (Small) Barneby (MIQUL)  âš˜  Morongia latidens Small (MOLA11)  âš˜  Schrankia latidens (Small) K. Schum. (SCLA3)   

Kairn’s Sensitive-Briar: A Charming Native Wildflower for Southern Gardens If you’re looking for a delightful native wildflower that brings both beauty and ecological value to your garden, let me introduce you to Kairn’s sensitive-briar (Mimosa latidens). This charming perennial might not be the most well-known native plant, but it’s definitely ...

Kairn’s Sensitive-Briar: A Charming Native Wildflower for Southern Gardens

If you’re looking for a delightful native wildflower that brings both beauty and ecological value to your garden, let me introduce you to Kairn’s sensitive-briar (Mimosa latidens). This charming perennial might not be the most well-known native plant, but it’s definitely worth considering for gardeners in Texas and Louisiana who want to support local wildlife while adding something truly special to their landscape.

What Makes Kairn’s Sensitive-Briar Special?

Kairn’s sensitive-briar is a fascinating little plant that belongs to the legume family. What makes it particularly entertaining is its sensitive nature – touch the delicate, feathery leaves and watch them fold up before your eyes! It’s like having a bit of plant magic right in your garden.

This native perennial produces adorable pink to purple pom-pom flowers that look like tiny powder puffs dancing above the foliage. The blooms are not only beautiful but also serve as magnets for pollinators, making this plant a wonderful addition to any wildlife-friendly garden.

Where Does It Call Home?

Kairn’s sensitive-briar is a true southerner, native to Louisiana and Texas. As a plant that’s perfectly adapted to the hot, sometimes challenging conditions of the south-central United States, it knows how to thrive in areas where other plants might struggle.

Why Your Garden (and Local Wildlife) Will Love It

Here’s where this little plant really shines – it’s a wildlife superstar! According to research, Kairn’s sensitive-briar provides a significant portion of the diet for both large animals and terrestrial birds, contributing 5-10% of their nutritional needs. That’s impressive for such a modest-looking plant!

The flowers are also excellent for attracting native pollinators, including:

  • Native bees
  • Butterflies
  • Other beneficial insects

Perfect Garden Situations

Kairn’s sensitive-briar works beautifully in several garden settings:

  • Native plant gardens
  • Prairie restoration projects
  • Xeriscapes and drought-tolerant landscapes
  • Wildlife habitat gardens
  • Naturalized areas where you want low-maintenance ground cover

Growing Conditions and Care

One of the best things about this native beauty is how easy-going it is once established. Here’s what it loves:

Sunlight: Full sun is preferred, though it can tolerate some partial shade

Soil: Well-draining soils are essential. This plant doesn’t like to have wet feet!

Water: Drought tolerant once established, making it perfect for low-water gardens

Climate: Hardy in USDA zones 8-10, perfect for its native southern range

Planting and Care Tips

Growing Kairn’s sensitive-briar is refreshingly straightforward:

  • Start from seed in spring for best results
  • Plant in well-draining soil with good sun exposure
  • Water regularly during establishment, then reduce watering
  • Be aware that it may spread via underground stems – great for naturalized areas!
  • Minimal maintenance required once established
  • No serious pest or disease issues

A Few Things to Keep in Mind

While Kairn’s sensitive-briar is generally well-behaved, it can spread through underground stems, so give it room to roam or plant it where this natural spreading habit is welcome. It’s perfect for areas where you want natural ground cover without the fuss of high-maintenance plants.

The Bottom Line

Kairn’s sensitive-briar might be one of the best-kept secrets in native southern gardening. It’s drought tolerant, wildlife-friendly, low maintenance, and genuinely charming with its sensitive leaves and fluffy pink flowers. If you’re gardening in Texas or Louisiana and want to support native wildlife while adding something unique to your landscape, this delightful native deserves a spot in your garden.

Plus, there’s something deeply satisfying about growing a plant that’s perfectly adapted to your local conditions – it’s gardening with nature rather than against it, and that’s always a recipe for success!

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

not a food source

not a source of cover

Large animals

5-10% of diet

Infrequently used as cover

Terrestrial birds

5-10% of diet

Infrequently used as 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.

Kairn’s Sensitive-briar

Classification

Group

Dicot

Kingdom

Plantae - Plants

Subkingdom

Tracheobionta - Vascular plants

Superdivision

Spermatophyta - Seed plants

Division

Magnoliophyta - Flowering plants

Subdivision
Class

Magnoliopsida - Dicotyledons

Subclass

Rosidae

Order

Fabales

Family

Fabaceae Lindl. - Pea family

Genus

Mimosa L. - sensitive plant

Species

Mimosa latidens (Small) B.L. Turner - Kairn's sensitive-briar

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