North America Native Plant

Florida Keys Sensitive Pea

Botanical name: Chamaecrista deeringiana

USDA symbol: CHDE9

Life cycle: perennial

Habit: subshrub

Native status: Native to the lower 48 states  

Synonyms: Cassia deeringiana (Small & Pennell) J.F. Macbr. (CADE16)   

Florida Keys Sensitive Pea: A Rare Gem for Southeastern Native Gardens Meet the Florida Keys sensitive pea (Chamaecrista deeringiana), a charming little native wildflower that’s as special as it sounds. This delicate perennial herb might not be the showiest plant in your garden, but it’s got something even better going ...

Rare plant alert!

Region: Florida

Status: S2S4Q: Status is uncertain but is somewhere between the following rankings: Uncertain taxonomy: ⚘ Imperiled: Extremely rare due to factor(s) making it especially vulnerable to extinction. Typically 6 to 20 occurrences or few remaining individuals (1,000 to 3,000) ⚘ Apparently Secure: Uncommon but not rare, and usually widespread. Possibly cause for longterm concern. Typically more than 100 occurrences in the state or more than 10,000 individuals ⚘ 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) ⚘

Region: Florida

Florida Keys Sensitive Pea: A Rare Gem for Southeastern Native Gardens

Meet the Florida Keys sensitive pea (Chamaecrista deeringiana), a charming little native wildflower that’s as special as it sounds. This delicate perennial herb might not be the showiest plant in your garden, but it’s got something even better going for it – it’s a true southeastern native with an important story to tell.

What Makes This Plant Special

The Florida Keys sensitive pea is a low-growing herbaceous perennial that belongs to the legume family. Don’t let the pea in its name fool you – this isn’t something you’ll be harvesting for dinner! Instead, you’ll be treated to small, cheerful yellow flowers that dance above delicate, compound leaves throughout the growing season.

This little beauty is what botanists call a forb – essentially a soft-stemmed plant without woody tissue. It stays relatively low to the ground, making it perfect for adding texture and native authenticity to your landscape without overwhelming other plants.

Where It Calls Home

True to its name, the Florida Keys sensitive pea is native to the southeastern United States, specifically found in Alabama, Florida, Georgia, and Mississippi. It’s perfectly adapted to the warm, humid conditions of the coastal plains and has been quietly thriving in these regions long before any of us were around to appreciate it.

A Word About Rarity (This Is Important!)

Here’s where things get serious for a moment. The Florida Keys sensitive pea is considered rare, with a conservation status that should make any native plant enthusiast sit up and take notice. In Alabama and Florida, it’s listed as S1, which means it’s critically imperiled in these states.

What this means for you as a gardener: While we absolutely encourage planting this wonderful native, please – and we cannot stress this enough – only source it from reputable native plant nurseries that propagate their own stock. Never collect from the wild, and always ask about the source of your plants.

Why Your Garden Will Love It

If you’re lucky enough to live in zones 8-10 and can source this plant responsibly, here’s why it might become one of your favorites:

  • Pollinator magnet: Those small yellow blooms are perfect landing pads for native bees and other small pollinators
  • Low maintenance: Once established, it’s quite drought tolerant and doesn’t need much fussing
  • Native authenticity: You’re supporting local ecosystems and preserving regional heritage
  • Unique texture: The compound leaves add interesting fine texture to plantings

Perfect Garden Spots

The Florida Keys sensitive pea isn’t trying to be the star of your flower border, and that’s perfectly fine! It shines in:

  • Native plant gardens where authenticity matters
  • Wildlife gardens focused on supporting local pollinators
  • Restoration projects (when appropriate and well-sourced)
  • Natural landscape areas that mimic local ecosystems

Growing Your Florida Keys Sensitive Pea

Good news for busy gardeners – this plant isn’t high-maintenance once you understand its needs:

Soil: Sandy, well-draining soil is key. Think about where this plant naturally grows – coastal areas with sandy soils that don’t hold water.

Light: Full sun to partial shade works well, though it tends to be happiest with plenty of morning sun.

Water: Moderate water to get established, then it becomes quite drought tolerant. Avoid overwatering – soggy soil is not this plant’s friend.

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

The Conservation Connection

By choosing to grow the Florida Keys sensitive pea (responsibly sourced, of course), you’re participating in something bigger than just gardening. You’re helping preserve a piece of our native botanical heritage and providing habitat for the creatures that depend on these plants.

Every native plant in our gardens is a small act of conservation, but when that plant is rare, it becomes even more meaningful. Just remember – the best way to help rare plants is to grow them responsibly, never collect them from the wild, and always support nurseries that propagate rather than wild-collect.

So if you’re in the right climate zone and can find a reputable source, consider making room for this gentle native. Your local pollinators will thank you, and you’ll have the satisfaction of knowing you’re growing something truly special.

Florida Keys Sensitive Pea

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

Chamaecrista (L.) Moench - sensitive pea

Species

Chamaecrista deeringiana Small & Pennell - Florida Keys sensitive pea

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