North America Native Plant

Small’s Milkpea

Botanical name: Galactia smallii

USDA symbol: GASM

Life cycle: perennial

Habit: vine

Native status: Native to the lower 48 states  

Synonyms: Galactia prostrata Small (GAPR3)   

Small’s Milkpea: A Rare Florida Native Worth Protecting Meet Small’s milkpea (Galactia smallii), one of Florida’s most precious botanical treasures. This unassuming little wildflower might not win any flashy garden contests, but it holds a special place in the hearts of native plant enthusiasts and conservationists. If you’re lucky enough ...

Rare plant alert!

Region: United States

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) ⚘ Endangered: In danger of extinction throughout all or a significant portion of its range. ⚘

Region: United States

Small’s Milkpea: A Rare Florida Native Worth Protecting

Meet Small’s milkpea (Galactia smallii), one of Florida’s most precious botanical treasures. This unassuming little wildflower might not win any flashy garden contests, but it holds a special place in the hearts of native plant enthusiasts and conservationists. If you’re lucky enough to encounter this rare beauty, you’re witnessing something truly special.

What Makes Small’s Milkpea Special?

Small’s milkpea is a perennial forb herb – basically a non-woody flowering plant that comes back year after year. This low-growing ground hugger produces delicate pink to purple pea-like flowers that are absolutely charming when you get up close. The plant has a trailing, prostrate growth habit, spreading along the ground rather than reaching for the sky.

You might also see this plant listed under its scientific synonym, Galactia prostrata Small, in older botanical references.

Where Does It Call Home?

Small’s milkpea is a true Florida endemic, found nowhere else in the world except the Sunshine State. Its natural range is limited to central and southern Florida, where it grows in the state’s unique sandy habitats.

A Conservation Priority

Here’s the important part: Small’s milkpea is listed as Endangered in the United States, with a Global Conservation Status that reflects its precarious situation. This means the plant is at serious risk of extinction, making every individual plant incredibly valuable.

If you’re considering adding this species to your garden, please only use plants or seeds from reputable native plant nurseries that source their material responsibly. Never collect from wild populations – this could harm the species’ survival.

Garden Appeal and Landscape Role

While Small’s milkpea may be small in stature, it packs a punch in the right garden setting. Here’s why you might want to include it:

  • Perfect ground cover for native Florida gardens
  • Attracts native bees and butterflies with its charming flowers
  • Extremely low maintenance once established
  • Helps support local biodiversity and conservation efforts
  • Great conversation starter about Florida’s unique flora

Growing Conditions and Care

Small’s milkpea is surprisingly easy to grow if you can mimic its natural habitat:

Climate: Thrives in USDA hardiness zones 9-11, making it perfect for Florida’s climate

Soil: Prefers well-draining sandy soils – heavy clay will likely spell disaster for this plant

Light: Does best in full sun to partial shade

Water: Drought tolerant once established, requiring minimal supplemental watering

Planting and Care Tips

Growing Small’s milkpea successfully is all about recreating its natural environment:

  • Plant in spring after the last frost date
  • Ensure excellent drainage – consider raised beds if your soil is heavy
  • Start with small plants rather than seeds for better success rates
  • Water regularly during establishment, then back off significantly
  • Avoid fertilizing – this plant prefers lean conditions
  • Allow the plant to spread naturally as ground cover

Supporting Conservation

By growing Small’s milkpea in your garden, you’re doing more than just adding another pretty plant. You’re participating in conservation efforts to preserve Florida’s unique botanical heritage. Every garden that hosts this endangered species provides a backup population and helps ensure its survival for future generations.

Remember, the key is responsible sourcing. Support nurseries that propagate native plants ethically, and consider joining local native plant societies to learn more about conservation gardening.

The Bottom Line

Small’s milkpea might be small and rare, but it’s definitely worth considering for the right garden. If you have the appropriate growing conditions and can source plants responsibly, this endangered beauty offers a unique opportunity to support conservation while enjoying a truly special Florida native. Just remember – with great rarity comes great responsibility!

Small’s 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 smallii H.J. Rogers ex Herndon - Small's milkpea

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