North America Native Plant

Alabama Gladecress

Botanical name: Leavenworthia alabamica

USDA symbol: LEAL2

Life cycle: annual

Habit: forb

Native status: Native to the lower 48 states  

Alabama Gladecress: A Rare Gem for the Dedicated Native Plant Gardener If you’re the type of gardener who gets excited about growing something truly special – something that most people have never heard of – then Alabama gladecress might just be your next obsession. But before you start planning where ...

Rare plant alert!

Region: Alabama

Status: S2: Status is uncertain but is somewhere between the following rankings: 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) ⚘ 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: Alabama

Alabama Gladecress: A Rare Gem for the Dedicated Native Plant Gardener

If you’re the type of gardener who gets excited about growing something truly special – something that most people have never heard of – then Alabama gladecress might just be your next obsession. But before you start planning where to plant it, there’s something important you need to know about this remarkable little wildflower.

What Makes Alabama Gladecress Special

Alabama gladecress (Leavenworthia alabamica) is a small annual forb that’s about as exclusive as native plants get. This delicate wildflower produces charming white to pale pink flowers in early spring, emerging from a rosette of deeply lobed leaves that hug the ground. It’s the kind of plant that makes you lean in closer to appreciate its quiet beauty – no flashy blooms here, just understated elegance.

A Plant with a Very Small Address

Here’s where things get really interesting (and a bit concerning): Alabama gladecress is found in exactly one state – Alabama. That’s it. This little plant is what botanists call an endemic species, meaning it exists nowhere else on Earth naturally. It makes its home in Alabama’s limestone glades and cedar barrens, those special rocky openings where only the toughest plants survive.

The Rarity Reality Check

Before you get too excited about adding this beauty to your garden, we need to have a serious conversation about conservation. Alabama gladecress has a Global Conservation Status of S2, which translates to imperiled. In its home state of Alabama, it’s ranked S1 – that’s botanist-speak for critically imperiled. We’re talking about a plant with only 6 to 20 known populations and somewhere between 1,000 to 3,000 individual plants in the wild.

What this means for you as a gardener: If you’re determined to grow Alabama gladecress, you absolutely must source it responsibly. This means purchasing from reputable native plant nurseries that propagate their own plants rather than collecting from wild populations. Never, ever collect seeds or plants from the wild – every individual matters when there are so few left.

Growing Alabama Gladecress: For the Patient Gardener

Alabama gladecress isn’t your typical garden center annual. As a specialized plant adapted to very specific conditions, it requires a gardener who’s willing to recreate a bit of Alabama limestone glade magic.

Ideal Growing Conditions

  • Soil: Well-drained, alkaline soils that mimic its natural limestone habitat
  • Light: Full sun to partial shade
  • Moisture: Cool, moist conditions in spring when it’s actively growing
  • Climate: USDA hardiness zones 7-8

Planting and Care Tips

  • Seeds need cold stratification to germinate properly
  • Plant seeds in fall for natural winter chilling and spring germination
  • Once established in the right conditions, it requires minimal care
  • Allow plants to self-seed to maintain your population
  • Avoid fertilizing – these plants are adapted to nutrient-poor soils

Where Alabama Gladecress Fits in Your Garden

This isn’t a plant for every garden or every gardener. Alabama gladecress works best in:

  • Rock gardens that can mimic its natural glade habitat
  • Specialized native plant collections
  • Conservation-focused wildflower areas
  • Educational gardens where its rarity story can be shared

Supporting Pollinators in Early Spring

One of the wonderful things about Alabama gladecress is its timing. Those small flowers appear in early spring when few other plants are blooming, providing crucial nectar for small native bees and flies that are just becoming active. If you’re creating a garden to support pollinators year-round, early bloomers like this fill a critical gap.

Should You Grow Alabama Gladecress?

The honest answer is: maybe, but only if you’re truly committed to conservation and have the right conditions. This plant is perfect for:

  • Dedicated native plant enthusiasts
  • Gardeners with rock gardens or limestone-rich soils
  • Those interested in plant conservation
  • Anyone wanting to support early spring pollinators

However, if you’re looking for easy color or don’t have the right growing conditions, you might consider other native Alabama wildflowers that are less imperiled but equally beautiful.

The Bottom Line

Alabama gladecress represents something precious in the plant world – a species hanging on in an increasingly developed landscape. If you choose to grow it, you’re not just adding a plant to your garden; you’re participating in conservation. Just remember: with great rarity comes great responsibility. Source ethically, grow carefully, and maybe most importantly, share the story of this remarkable little survivor with other gardeners.

After all, the best way to protect rare plants like Alabama gladecress is to help people understand why they matter in the first place.

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