North America Native Plant

Hoary Milkpea

Botanical name: Galactia canescens

USDA symbol: GACA

Life cycle: perennial

Habit: forb

Native status: Native to the lower 48 states  

Hoary Milkpea: A Silvery Native Gem for South Texas Gardens If you’re looking for a low-maintenance native plant that wildlife absolutely loves, meet the hoary milkpea (Galactia canescens). This unassuming perennial might not win any flashy flower contests, but it’s a hardworking member of the legume family that deserves a ...

Hoary Milkpea: A Silvery Native Gem for South Texas Gardens

If you’re looking for a low-maintenance native plant that wildlife absolutely loves, meet the hoary milkpea (Galactia canescens). This unassuming perennial might not win any flashy flower contests, but it’s a hardworking member of the legume family that deserves a spot in every South Texas native garden.

What Makes Hoary Milkpea Special?

The hoary milkpea gets its name from the silvery-gray, almost fuzzy appearance of its foliage. Those tiny hairs covering the leaves aren’t just for show – they help the plant conserve water in hot, dry conditions. As a native Texas forb (that’s garden-speak for a non-woody herbaceous plant), it’s perfectly adapted to thrive in the Lone Star State’s challenging climate.

This perennial produces small, pea-like flowers in shades of purple to pink that may seem modest at first glance, but they’re absolutely buzzing with activity when pollinators discover them. And here’s a bonus: like other legumes, hoary milkpea actually improves your soil by fixing nitrogen naturally.

Where Does Hoary Milkpea Grow?

Hoary milkpea is native to Texas, where it has been quietly supporting local ecosystems for centuries. You’ll find it naturally occurring throughout much of the state, particularly in areas with well-draining soils.

Why Wildlife Goes Wild for Hoary Milkpea

Here’s where this plant really shines – it’s like running a wildlife cafeteria in your backyard! Research shows that hoary milkpea provides a significant portion of the diet for various animals:

  • Large animals get 10-25% of their diet from this plant and occasionally use it for cover
  • Terrestrial birds rely on it for 5-10% of their diet
  • Pollinators, including native bees and butterflies, visit the nectar-rich flowers

If you’re trying to create a wildlife-friendly landscape, hoary milkpea is like rolling out the welcome mat for local fauna.

Perfect Garden Roles for Hoary Milkpea

This versatile native works beautifully in several garden settings:

  • Native plant gardens: A natural choice for authentic Texas landscapes
  • Xeriscapes: Its drought tolerance makes it perfect for water-wise gardening
  • Wildlife gardens: Essential for supporting local birds and mammals
  • Ground cover applications: Helps prevent erosion while feeding wildlife

Growing Hoary Milkpea: Easier Than You Think

One of the best things about native plants like hoary milkpea is that they’re naturally adapted to local conditions, which translates to less work for you!

Ideal Growing Conditions

  • Sunlight: Full sun for best performance
  • Soil: Well-drained soils (it’s not picky about soil type)
  • Water: Drought tolerant once established
  • Hardiness: Thrives in USDA zones 9-10

Planting and Care Tips

Getting hoary milkpea established in your garden is refreshingly straightforward:

  • Plant in spring after the last frost
  • Water regularly during the first growing season to help roots establish
  • Once established, this plant is remarkably drought tolerant
  • No need for fertilizers – remember, it makes its own nitrogen!
  • Minimal pruning required; let it grow naturally for best wildlife benefits

Should You Plant Hoary Milkpea?

If you live in South Texas and want a low-maintenance native plant that supports local wildlife while adding subtle beauty to your landscape, hoary milkpea is an excellent choice. It won’t demand constant attention or special treatment, but it will quietly work to support the local ecosystem while helping your garden thrive in challenging conditions.

The silvery foliage provides an interesting textural contrast to other plants, and knowing that you’re providing food for everything from songbirds to larger wildlife adds a special satisfaction to your gardening efforts. Plus, there’s something deeply satisfying about growing plants that truly belong in your local landscape – they just seem to settle in and feel at home in a way that exotic plants never quite manage.

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

Average 10-25% of diet

Occasional source of 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.

Hoary Milkpea

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

Galactia P. Br. - milkpea

Species

Galactia canescens Benth. - hoary milkpea

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