Native Plants

Dahoon

Ilex cassine

USDA symbol: ILCA

perennial shrub

Hawaii: non-native, naturalized
Lower 48 states: native
Puerto Rico: non-native, naturalized

Looking for a low-maintenance evergreen that’ll make your garden look polished year-round while supporting local wildlife? Meet the dahoon (Ilex cassine), a native holly that’s been quietly beautifying Southern landscapes for centuries. This charming shrub might not be the flashiest plant on the block, but it’s got staying power – ...

Dahoon: A Native Holly Perfect for Southern Gardens

Looking for a low-maintenance evergreen that’ll make your garden look polished year-round while supporting local wildlife? Meet the dahoon (Ilex cassine), a native holly that’s been quietly beautifying Southern landscapes for centuries. This charming shrub might not be the flashiest plant on the block, but it’s got staying power – and those bright red berries are absolutely stunning against winter’s gray backdrop.

What Makes Dahoon Special?

Dahoon is a perennial evergreen shrub that typically grows as a multi-stemmed plant, though it can occasionally develop into a small single-stemmed tree under the right conditions. Don’t let its modest yellow spring flowers fool you – this plant saves its real show for fall and winter when clusters of bright red berries light up the landscape. The glossy, dark green foliage provides a perfect backdrop for these colorful fruits, which often persist well into the winter months.

Where Dahoon Calls Home

This holly is native to the southeastern United States, naturally occurring in Alabama, Florida, Georgia, Louisiana, Mississippi, North Carolina, South Carolina, and Texas. It’s also been introduced to Hawaii and Puerto Rico, where it has naturalized. In its native range, dahoon thrives in USDA hardiness zones 8-11, making it perfect for gardeners in warmer climates.

  • Species observed
  • No observations

Why Your Garden (and Local Wildlife) Will Love Dahoon

Here’s where dahoon really shines – it’s practically maintenance-free once established. This shrub has a moderate growth rate and can reach up to 26 feet tall at maturity, though most garden specimens stay smaller. The dense foliage provides excellent screening and structure in the landscape, while those inconspicuous spring flowers offer nectar for bees and other small pollinators.

The real wildlife magic happens when the berries ripen. These bright red fruits are beloved by birds, providing crucial food sources during fall and winter months when other food can be scarce.

Perfect Spots for Planting Dahoon

Dahoon is incredibly versatile in the landscape. Consider it for:

  • Native plant gardens and naturalized woodland areas
  • Rain gardens and other moisture-loving plant communities
  • Privacy screens and hedges (it tolerates pruning well)
  • Specimen plantings where you want year-round structure
  • Wildlife gardens focused on supporting local birds
  • Coastal landscapes where it can handle some environmental stress

Growing Conditions: What Dahoon Craves

The secret to happy dahoon? Think swamp edge rather than desert. This holly is classified as facultative wetland, meaning it usually occurs in wetlands but can adapt to drier sites. Here’s what it needs:

  • Moisture: Consistent moisture is key – dahoon has low drought tolerance
  • Soil: Acidic soils (pH 3.5-6.5) are preferred, but it adapts to various soil textures
  • Light: Shade tolerant, making it perfect for woodland gardens
  • Temperature: Needs at least 200 frost-free days and can handle temperatures down to about 12°F
  • Drainage: Can handle poorly drained soils and even periodic flooding

Planting and Care Tips

Getting dahoon established is straightforward:

  • When to plant: Spring or fall, when temperatures are moderate
  • Soil prep: Ensure consistent moisture and slightly acidic conditions
  • Spacing: Allow 6-10 feet between plants for hedging, more for specimen plantings
  • Watering: Keep consistently moist, especially during the first few years
  • Fertilizing: Low fertility requirements – a light application of acidic fertilizer in spring is plenty
  • Pruning: Minimal pruning needed, but it responds well if shaping is desired
  • Mulching: A thick layer of organic mulch helps retain moisture

A Few Things to Keep in Mind

While dahoon is generally problem-free, there are a few considerations. The berries are slightly toxic if consumed in large quantities, so keep this in mind if you have curious pets or small children. Also, if you’re gardening outside its native range, consider choosing local native alternatives that will better support your regional ecosystem.

For gardeners in the Southeast, dahoon offers the perfect combination of beauty, wildlife value, and low maintenance. It’s one of those reliable plants that’ll anchor your landscape for decades while quietly supporting the local ecosystem – and those winter berries are just the cherry on top!

Wetland Status

The rule of seasoned gardeners and landscapers is to choose the "right plant for the right place" — matching plants to their ideal growing conditions, so they'll thrive with less care and fewer inputs. But the simplicity of this catchphrase conceals how tricky plant selection can be if you don't have the right information. While tags on nursery plants list watering requirements, there's more to the story.

Knowing a plant's wetland status can simplify the process by revealing the interaction between plants, water, and soil. You might be surprised to learn that popular landscape plants are wetland species! And what may be a wetland plant in one area, in another it might thrive in drier conditions. The table below gives insight into the preferred growing conditions of this plant throughout its geographical distribution.

Region
Preferred Habitat

Atlantic and Gulf Coastal Plain (AL, AR, DC, DE, FL, GA, IL, KY, LA, MD, MS, MO, NC, NJ, OK, PA, SC, TN, TX, VA)

Facultative Wetland

Caribbean (PR, VI)

Facultative Wetland

Eastern Mountains and Piedmont (AL, AR, DC, DE, GA, IL, IN, KS, KY, MD, MO, NC, NJ, NY, OH, OK, PA, SC, TN, VA, WV)

Facultative Wetland

Hawaii ()

Facultative

Northcentral & Northeast ()

Facultative Wetland
Wetland Glossary
Obligate Wetland
Facultative Wetland
Facultative
Facultative Upland
Obligate Upland
Almost always occurs in wetlands
Usually occurs in wetlands but may occur in non-wetlands
Can occur in wetlands and non-wetlands
Usually occurs in non-wetlands but may occur in wetlands
Almost never occurs in wetlands

Classification

Group: Dicot
Kingdom: Plantae - Plants
Subkingdom: Tracheobionta - Vascular plants
Superdivision: Spermatophyta - Seed plants
Division: Magnoliophyta - Flowering plants
Class: Magnoliopsida - Dicotyledons
Subclass: Rosidae
Order: Celastrales
Family: Aquifoliaceae Bercht. & J. Presl - Holly family
Genus: Ilex L. - holly

Species: Ilex cassine L. - dahoon

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