North America Native Plant

Carolina Desert-thorn

Botanical name: Lycium carolinianum

USDA symbol: LYCA2

Life cycle: perennial

Habit: shrub

Native status: Native to the lower 48 states  

Carolina Desert-Thorn: A Thorny Native with Surprising Coastal Charm Don’t let the name fool you – Carolina desert-thorn (Lycium carolinianum) isn’t actually a desert plant! This quirky native shrub is more at home along the southeastern coast than in any arid landscape. While it might not win any beauty contests ...

Rare plant alert!

Region: Alabama

Status: S1S2: Status is uncertain but is somewhere between the following rankings: 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) ⚘ 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) ⚘

Carolina Desert-Thorn: A Thorny Native with Surprising Coastal Charm

Don’t let the name fool you – Carolina desert-thorn (Lycium carolinianum) isn’t actually a desert plant! This quirky native shrub is more at home along the southeastern coast than in any arid landscape. While it might not win any beauty contests with its somewhat scraggly appearance and thorny branches, this tough little plant has some surprising qualities that make it worth considering for the right garden setting.

Where You’ll Find This Thorny Character

Carolina desert-thorn is a true southeastern native, calling Alabama, Florida, Georgia, Louisiana, Mississippi, South Carolina, and Texas home. It’s particularly fond of coastal areas and wetland edges, thriving in the salty, humid conditions that would stress many other plants. However, gardeners should know that this plant has become quite rare in some areas – it’s listed as S1S2 (critically imperiled to imperiled) in Alabama, so if you’re lucky enough to find it, make sure you’re getting it from a responsible source.

What to Expect from Your Carolina Desert-Thorn

This perennial shrub is definitely a slow and steady type. Don’t expect dramatic growth spurts – it takes its sweet time, typically reaching just 3 feet tall after 20 years, though it can eventually mature to around 9 feet. The plant forms multiple stems from the ground, creating a somewhat open, erect growth pattern that’s more functional than fancy.

The real show happens in fall when small purple flowers appear, followed by bright red berries that add a pop of color to the landscape. The green foliage provides moderate summer screening but becomes quite porous in winter when the leaves drop.

Why (and Why Not) to Grow Carolina Desert-Thorn

The good reasons:

  • Perfect for coastal and wetland restoration projects
  • Extremely adaptable to different soil types
  • High salt tolerance makes it ideal for seaside gardens
  • Supports native wildlife with berries and flowers
  • Low fertility requirements mean less work for you
  • Helps preserve a native species that’s becoming rare

The not-so-good reasons:

  • Those thorns mean it’s not great near walkways or play areas
  • Slow growth requires patience
  • Not particularly showy or ornamental
  • Needs consistent moisture despite its misleading name
  • Can be difficult to find commercially

Growing Conditions That Make It Happy

Carolina desert-thorn is surprisingly particular about its growing conditions, despite being quite tough once established. Here’s what it needs to thrive:

  • Moisture: High water needs – this is definitely not a drought-tolerant plant
  • Soil: Adaptable to coarse, medium, or fine-textured soils
  • pH: Tolerates a wide range from 5.5 to 9.0
  • Salt: Medium salt tolerance makes it great for coastal areas
  • Sun: Full sun lover – shade intolerant
  • Temperature: Hardy to about 17°F, suitable for USDA zones 8-10
  • Precipitation: Prefers areas with 24-62 inches of annual rainfall

Planting and Care Tips

Getting Carolina desert-thorn established requires some patience, but the process isn’t complicated:

  • Sourcing: Look for container plants or bare root specimens from native plant nurseries
  • Timing: Plant in spring for best establishment
  • Spacing: Allow 2,700-3,400 plants per acre if doing restoration work
  • Watering: Keep consistently moist, especially during establishment
  • Fertilizing: Low fertility needs mean you can skip the fertilizer
  • Pruning: Minimal pruning needed, but watch out for those thorns!
  • Propagation: Can be grown from seed (though germination is slow) or purchased as container plants

Wildlife and Pollinator Benefits

While the data on specific wildlife benefits is limited, Carolina desert-thorn’s fall flowers provide nectar for late-season pollinators, and its red berries likely support birds and small mammals. As a native plant, it fits naturally into local ecosystems and food webs.

The Bottom Line

Carolina desert-thorn isn’t going to be the star of your ornamental garden, but it shines in the right setting. If you’re working on coastal restoration, creating wildlife habitat, or simply want to grow native plants that support local ecosystems, this thorny character deserves consideration. Just remember to source it responsibly, given its rarity in some areas, and be prepared for a slow-growing plant that rewards patience with quiet resilience.

Perfect for naturalized areas where its somewhat wild appearance fits right in, Carolina desert-thorn proves that sometimes the most valuable plants aren’t the prettiest ones – they’re the ones that belong.

Carolina Desert-thorn

Classification

Group

Dicot

Kingdom

Plantae - Plants

Subkingdom

Tracheobionta - Vascular plants

Superdivision

Spermatophyta - Seed plants

Division

Magnoliophyta - Flowering plants

Subdivision
Class

Magnoliopsida - Dicotyledons

Subclass

Asteridae

Order

Solanales

Family

Solanaceae Juss. - Potato family

Genus

Lycium L. - desert-thorn

Species

Lycium carolinianum Walter - Carolina desert-thorn

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