North America Native Plant

Summer Holly

Botanical name: Comarostaphylis

USDA symbol: COMAR

Life cycle: perennial

Habit: shrub

Native status: Native to the lower 48 states  

Summer Holly: California’s Charming Native Shrub for Water-Wise Gardens If you’re looking to add some year-round structure and seasonal color to your California garden while supporting local wildlife, meet summer holly (Comarostaphylis). This delightful native shrub might not be as well-known as some of its flashier cousins, but it’s quietly ...

Summer Holly: California’s Charming Native Shrub for Water-Wise Gardens

If you’re looking to add some year-round structure and seasonal color to your California garden while supporting local wildlife, meet summer holly (Comarostaphylis). This delightful native shrub might not be as well-known as some of its flashier cousins, but it’s quietly earning a reputation among savvy gardeners who appreciate plants that look great while asking for very little in return.

What Makes Summer Holly Special?

Summer holly is a true California native, naturally occurring throughout the Golden State’s chaparral and coastal sage scrub communities. As a perennial shrub, this multi-stemmed woody plant typically grows to a manageable size of 4 to 5 meters (13 to 16 feet) tall, though it often stays smaller in garden settings. Don’t let the holly in its name fool you – while it produces attractive red berries, it’s not related to traditional English holly at all.

Where Does Summer Holly Grow?

This exclusively Californian native has adapted perfectly to the state’s Mediterranean climate. You’ll find wild populations scattered throughout California’s diverse landscapes, from coastal areas to inland foothills.

Garden Appeal and Landscape Role

Summer holly brings a wonderful combination of evergreen structure and seasonal interest to your landscape. In late spring and summer, clusters of small, bell-shaped flowers in shades of white to pink create a delicate display that’s absolutely beloved by bees and other pollinators. Come fall, these blooms transform into glossy red berries that not only look stunning but also provide food for local birds and wildlife.

This shrub works beautifully as:

  • A backdrop plant in mixed native borders
  • An anchor plant in Mediterranean-style gardens
  • Part of a wildlife-friendly landscape design
  • A low-maintenance hedge or screen

Perfect for Water-Wise Gardening

Here’s where summer holly really shines – it’s incredibly drought tolerant once established. This makes it an excellent choice for xeriscaping, native plant gardens, and any landscape where water conservation is a priority. It thrives in USDA hardiness zones 8-10, making it suitable for most of California’s gardening climates.

Growing Conditions and Care

Summer holly is refreshingly easy to grow, provided you give it what it wants:

  • Sunlight: Full sun to partial shade (morning sun with afternoon shade works well in hot inland areas)
  • Soil: Well-draining soil is absolutely essential – this plant cannot tolerate soggy conditions
  • Water: Regular water during the first year to establish roots, then minimal irrigation needed
  • Fertilizer: Generally unnecessary; native soils provide adequate nutrition

Planting and Care Tips

Getting your summer holly off to a good start is straightforward:

  • Plant in fall for best establishment before the dry season
  • Ensure excellent drainage – amend heavy clay soils with coarse sand or gravel
  • Water regularly the first year, then reduce to occasional deep watering
  • Prune lightly after flowering if needed to maintain shape
  • Mulch around the base to retain moisture and suppress weeds

Wildlife and Pollinator Benefits

By choosing summer holly, you’re not just adding beauty to your garden – you’re creating habitat. The flowers are excellent nectar sources for native bees, while the berries feed birds and small mammals. It’s this kind of multi-functional planting that makes native gardening so rewarding.

Why Choose Summer Holly?

Summer holly represents everything great about native plant gardening: it’s beautiful, low-maintenance, drought-tolerant, and ecologically valuable. While it might not be the showiest plant in your garden, it’s the kind of reliable performer that provides year-round interest while supporting local wildlife. For California gardeners looking to create sustainable, water-wise landscapes that celebrate their region’s natural heritage, summer holly deserves serious consideration.

Whether you’re designing a completely native landscape or simply want to incorporate more climate-appropriate plants into your existing garden, this charming shrub proves that going native doesn’t mean sacrificing beauty or garden appeal.

Summer Holly

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

Ericales

Family

Ericaceae Juss. - Heath family

Genus

Comarostaphylis Zucc. - summer 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