North America Native Plant

Alabama Gladecress

Botanical name: Leavenworthia alabamica var. alabamica

USDA symbol: LEALA

Life cycle: annual

Habit: forb

Native status: Native to the lower 48 states  

Alabama Gladecress: A Rare Native Gem Worth Protecting If you’re a native plant enthusiast with a passion for rare species, Alabama gladecress might just capture your heart. This delicate annual wildflower is one of Alabama’s most special botanical treasures, though growing it successfully requires some serious dedication and the right ...

Rare plant alert!

Region: Conservation status by state

Status: S2T2Q: 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) ⚘ Subspecies or variety is 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) ⚘

Alabama Gladecress: A Rare Native Gem Worth Protecting

If you’re a native plant enthusiast with a passion for rare species, Alabama gladecress might just capture your heart. This delicate annual wildflower is one of Alabama’s most special botanical treasures, though growing it successfully requires some serious dedication and the right conditions.

What Makes Alabama Gladecress Special?

Alabama gladecress (Leavenworthia alabamica var. alabamica) is a small but charming member of the mustard family. This annual forb produces lovely white, four-petaled flowers that bloom in early spring, creating a delicate carpet across its native limestone glades. The plant forms low rosettes of deeply lobed leaves that have an almost fern-like appearance, making it attractive even when not in bloom.

A True Alabama Native

This plant is as Alabama as it gets – it’s found nowhere else in the world! Alabama gladecress is endemic to the Heart of Dixie, where it grows naturally in limestone glades and cedar barrens throughout the state. This incredibly limited range makes it a true botanical treasure.

Important Conservation Considerations

Here’s something crucial to know: Alabama gladecress has a Global Conservation Status of S2T2Q, which indicates it’s quite rare. If you’re interested in growing this special plant, it’s absolutely essential to source it responsibly. Never collect plants or seeds from the wild – this could harm already vulnerable populations. Instead, work with reputable native plant societies or botanical gardens that may have ethically propagated material.

Growing Alabama Gladecress: Not for Beginners

Let’s be honest – this isn’t your typical garden plant. Alabama gladecress has very specific requirements that can be challenging to replicate outside its natural habitat:

  • Requires limestone-based or highly alkaline soils
  • Needs excellent drainage
  • Prefers full sun to partial shade
  • Thrives in USDA hardiness zones 7-8
  • Best suited for specialized rock gardens or native plant collections

Garden Design and Landscape Use

If you can provide the right conditions, Alabama gladecress works beautifully in:

  • Rock gardens with limestone features
  • Native plant specialty collections
  • Restoration projects in appropriate habitats
  • Educational gardens showcasing rare Alabama flora

Because it’s an annual, expect it to complete its entire life cycle in one growing season, though it may self-seed if conditions are right.

Pollinator and Wildlife Benefits

Despite its small stature, Alabama gladecress provides important early-season nectar for small native bees and other pollinators. Its early spring blooms make it particularly valuable when few other flowers are available.

Should You Grow It?

Alabama gladecress is definitely not for every gardener. Consider growing it if you:

  • Have experience with challenging native plants
  • Can provide the specific limestone-based growing conditions
  • Are passionate about conservation and rare plant preservation
  • Have connections to responsible sources for plant material

If you’re new to native gardening or don’t have the right growing conditions, consider starting with more common Alabama natives that are easier to grow and more widely available.

Final Thoughts

Alabama gladecress represents something truly special in the plant world – a rare endemic that exists nowhere else on Earth. While it’s not the easiest plant to grow, those who can provide the right conditions and source it responsibly are helping preserve a unique piece of Alabama’s natural heritage. Sometimes the most rewarding plants are the ones that challenge us the most!

Alabama Gladecress

Classification

Group

Dicot

Kingdom

Plantae - Plants

Subkingdom

Tracheobionta - Vascular plants

Superdivision

Spermatophyta - Seed plants

Division

Magnoliophyta - Flowering plants

Subdivision
Class

Magnoliopsida - Dicotyledons

Subclass

Dilleniidae

Order

Capparales

Family

Brassicaceae Burnett - Mustard family

Genus

Leavenworthia Torr. - gladecress

Species

Leavenworthia alabamica Rollins - Alabama gladecress

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