North America Native Plant

Holly

Botanical name: Ilex

USDA symbol: ILEX

Life cycle: perennial

Habit: shrub

Native status: It's either native or not native in Canada âš˜ It's either native or not native in Hawaii âš˜ It's either native or not native in the lower 48 states âš˜ It's either native or not native in Puerto Rico âš˜ Native to St. Pierre and Miquelon âš˜ Native to the U.S. Virgin Islands  

Holly: The Evergreen Beauty That Wildlife Loves When it comes to plants that offer year-round interest and wildlife value, holly (Ilex) stands out as a true garden champion. This diverse group of evergreen shrubs has been gracing landscapes for centuries, and once you understand what makes holly special, you’ll see ...

Holly: The Evergreen Beauty That Wildlife Loves

When it comes to plants that offer year-round interest and wildlife value, holly (Ilex) stands out as a true garden champion. This diverse group of evergreen shrubs has been gracing landscapes for centuries, and once you understand what makes holly special, you’ll see why it deserves a spot in your garden planning conversations.

What Exactly is Holly?

Holly is a perennial shrub that typically grows as a multi-stemmed woody plant, usually staying under 13 to 16 feet in height. Think of it as nature’s way of creating living architecture – these plants develop several stems from ground level, creating dense, structured forms that can serve as backbone plants in your landscape design.

Where Holly Calls Home

Holly has quite the travel resume! You’ll find various holly species native to St. Pierre and Miquelon and the U.S. Virgin Islands. But here’s where it gets interesting – holly species have established themselves across an impressive range of locations, from Alabama to British Columbia, and everywhere from Hawaii to Newfoundland. This extensive distribution includes most U.S. states, Canadian provinces, and territories like Puerto Rico.

Why Wildlife Goes Wild for Holly

Here’s where holly really shines as a wildlife-friendly choice. The research shows some fascinating numbers about how different animals use holly:

  • Large animals get 5-10% of their diet from holly, though they don’t often use it for cover
  • Small mammals derive 2-5% of their diet from holly and use it sparingly for shelter
  • Water birds also get 2-5% of their nutrition from holly with sparse cover use
  • Terrestrial birds enjoy 5-10% of their diet from holly but infrequently seek it for nesting sites

What this tells us is that holly serves more as a reliable food source than a shelter provider – think of it as nature’s cafeteria rather than its hotel.

Should You Plant Holly in Your Garden?

The decision to plant holly depends largely on your location and garden goals. Since holly’s native status varies significantly by region, you’ll want to research which specific holly species are native to your area. If you’re in a region where holly isn’t native, you might want to explore local alternatives that provide similar benefits to wildlife.

That said, holly can be an excellent choice for gardeners looking to create structured, evergreen backbones in their landscapes. Its shrub form makes it versatile for:

  • Creating privacy screens or hedges
  • Adding winter interest with evergreen foliage
  • Providing reliable wildlife food sources
  • Establishing foundational plantings around homes

The Growing Reality

Here’s where we need to be honest – growing holly successfully requires understanding that holly encompasses many different species, each with its own specific needs. While we know holly generally performs as a perennial shrub, the specific growing conditions, hardiness zones, and care requirements vary significantly depending on which holly species you’re considering.

Before planting any holly, research the specific species that would work best in your climate and soil conditions. Some hollies thrive in wet conditions, others prefer well-drained soil. Some handle deep shade, others need full sun. This homework phase is crucial for success.

The Bottom Line on Holly

Holly represents a group of plants that can offer significant value to both gardeners and wildlife. Its evergreen nature provides year-round structure, while its berries feed a variety of animals throughout the seasons. However, successful holly growing requires species-specific knowledge and consideration of what’s native to your particular region.

If you’re drawn to holly’s aesthetic and wildlife benefits, take time to identify which species are appropriate for your area. Your local native plant society or extension service can help you navigate the many holly options and choose varieties that will thrive in your specific conditions while supporting local ecosystems.

Wildlife Status

Want to attract wildlife or keep hungry critters away from your garden? Understanding the relationship between plants and wildlife is key. While plant tags may indicate deer and rabbit resistance, they don't tell the full story. Every gardener has experienced the disappointment of purchasing "deer-resistant" plants only to find them nibbled to the ground!

The extent to which plants are resistant to animal browsing is a matter of degree. Likewise, the extent to which a plant attracts wanted visitors also varies. Whether you want a garden full or free of wildlife, learning about interactions between a plant and wild animals can help you make smarter choices for the garden you desire.

As shown below Shrubby Indian Mallow isn't a large food source for animals or birds. You can confidently add this plant to your garden and rest assured knowing it's unlikely to be devoured by four-legged visitors.

Small animals

2-5% of diet

Sparsely used as cover

Large animals

5-10% of diet

Infrequently used as cover

Terrestrial birds

5-10% of diet

Infrequently used as cover

Water birds

2-5% of diet

Sparsely used as cover

Sources:

Yarrow, G.K., and D.T. Yarrow. 1999. Managing wildlife. Sweet Water Press. Birmingham.Martin, A.C., H.S. Zim, and A.L. Nelson. 1951. American wildlife and plants: A guide to wildlife food habits. Dover Publications. New York.

Holly

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

Celastrales

Family

Aquifoliaceae Bercht. & J. Presl - Holly family

Genus

Ilex L. - holly

Species

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