North America Native Plant

Scarlet Firethorn

Botanical name: Pyracantha coccinea

USDA symbol: PYCO2

Life cycle: perennial

Habit: shrub

Native status: Native to Canada âš˜ Non-native, reproduces and persists in the wild in the lower 48 states  

Synonyms: Cotoneaster pyracantha (L.) Spach (COPY3)   

Scarlet Firethorn: A Thorny Beauty with Year-Round Appeal If you’re looking for a shrub that delivers both stunning seasonal color and fortress-like security, scarlet firethorn (Pyracantha coccinea) might catch your eye. This evergreen shrub is like that friend who’s absolutely gorgeous but comes with a bit of an edge – ...

Scarlet Firethorn: A Thorny Beauty with Year-Round Appeal

If you’re looking for a shrub that delivers both stunning seasonal color and fortress-like security, scarlet firethorn (Pyracantha coccinea) might catch your eye. This evergreen shrub is like that friend who’s absolutely gorgeous but comes with a bit of an edge – literally, thanks to its impressive thorns.

What Makes Scarlet Firethorn Special?

Scarlet firethorn is a perennial shrub that puts on quite the show throughout the seasons. In late spring, it bursts into clusters of small white flowers that practically buzz with pollinator activity. But the real showstopper comes in fall and winter when the plant is loaded with brilliant orange berries that seem to glow against the dark green foliage.

This multi-stemmed woody plant typically reaches about 8 feet in both height and width at maturity, though it can be kept smaller with regular pruning. With its rapid growth rate and dense branching habit, it quickly fills space and creates an impenetrable barrier that would make even the most determined intruder think twice.

Native Status and Where It Grows

Here’s where things get interesting: scarlet firethorn isn’t actually native to North America. It’s an introduced species from southern Europe and Asia that has made itself quite at home across many U.S. states. You’ll find established populations from the Southeast through the Pacific Northwest, including Alabama, California, Georgia, North Carolina, Oregon, Texas, and many others. In Canada, it’s found in British Columbia.

While it reproduces and spreads on its own in the wild, it’s not currently classified as invasive in most areas, though this can vary by location.

Garden Design and Landscape Role

Scarlet firethorn excels as a security plant – those thorns aren’t just for show! It makes an excellent barrier hedge, perfect for discouraging both human and animal trespassers. Many gardeners also appreciate its versatility for:

  • Creating living fences along property lines
  • Training as an espalier against walls or fences
  • Adding winter interest with persistent colorful berries
  • Providing nesting sites for birds (if they can navigate those thorns!)

It works beautifully in Mediterranean-style gardens, formal landscapes, and anywhere you need a tough, drought-tolerant shrub with year-round appeal.

Growing Conditions and Care

One of scarlet firethorn’s best qualities is its adaptability. This shrub thrives in USDA hardiness zones 6-9 and isn’t particularly fussy about growing conditions, though it does have some preferences:

  • Sunlight: Full sun to partial shade (flowering and fruiting are best in full sun)
  • Soil: Well-draining soils; adapts to both medium and fine-textured soils
  • pH: Tolerates a range from 5.8 to 8.0
  • Water: Medium moisture needs; drought tolerant once established
  • Fertility: Prefers fertile soils but adapts to average conditions

The plant requires at least 150 frost-free days and can handle minimum temperatures down to about 12°F.

Planting and Care Tips

Getting scarlet firethorn established is straightforward, but here are some tips for success:

  • Planting: Spring is the ideal time to plant; space plants 6-10 feet apart for hedging
  • First year: Provide regular watering to establish a strong root system
  • Pruning: Prune after flowering to maintain shape and size (wear thick gloves!)
  • Disease watch: Monitor for fire blight, a bacterial disease that can affect the plant
  • Propagation: Can be grown from seed, cuttings, or purchased as container plants

Wildlife and Pollinator Benefits

While we don’t have complete data on all wildlife benefits, scarlet firethorn does offer some ecological value. The white flowers attract bees and other pollinators in late spring, and the persistent berries provide winter food for birds brave enough to navigate the thorny branches.

Should You Plant Scarlet Firethorn?

This really depends on what you’re looking for. Scarlet firethorn is undeniably beautiful and incredibly functional as a security plant. It’s relatively low-maintenance once established and provides year-round structure and seasonal color.

However, since it’s not native to North America, you might want to consider native alternatives that provide similar benefits while supporting local ecosystems. Native options like American hazelnut, spicebush, or native viburnums can offer security, beauty, and better wildlife support.

If you do choose to plant scarlet firethorn, be prepared for its vigorous growth and make sure you have the right location and purpose for such a formidable shrub. And definitely invest in some heavy-duty gardening gloves – those thorns mean business!

Whatever you decide, remember that the best garden plant is one that fits your specific needs, growing conditions, and gardening philosophy. Scarlet firethorn might just be that perfect thorny companion you’ve been looking for, or it might inspire you to explore equally stunning native alternatives.

How

Scarlet Firethorn

Grows

Growing season

Spring and Summer

Lifespan

Moderate

Growth form & shape

Single Crown and Irregular

Growth rate

Rapid

Height at 20 years

8

Maximum height

8.0

Foliage color

Green

Summer foliage density

Dense

Winter foliage density

Moderate

Foliage retention

Yes

Flowering

Yes

Flower color

White

Fruit/seeds

Yes

Fruit/seed color

Orange

Allelopath

No

Nitrogen fixing

None

Toxic

None

C:N Ratio

High

Fire Resistant

No

Foliage Texture

Coarse

Low-growing Grass

No

Resproutability

Yes

Coppice Ability

Yes

Bloat

None

Scarlet Firethorn

Growing Conditions

Adapted to Coarse Soil

No

Adapted to Medium Soil

Yes

Adapted to Fine Soil

Yes

Anaerobic tolerance

None

CaCO₃ tolerance

Medium

Cold Stratification

Yes

Drought tolerance

Low

Nutrient requirement

High

Fire tolerance

None

Frost-free days minimum

150

Hedge tolerance

Medium

Moisture requirement

Medium

pH range

5.8 to 8.0

Plants per acre

700 to 2700

Precipitation range (in)

35 to 60

Min root depth (in)

18

Salt tolerance

Low

Shade tolerance

Intolerant

Min temperature (F)

12

Cultivating

Scarlet Firethorn

Flowering season

Late Spring

Commercial availability

Routinely Available

Fruit/seed abundance

High

Fruit/seed season

Summer to Fall

Fruit/seed persistence

Yes

Propagated by bare root

Yes

Propagated by bulb

No

Propagated by container

Yes

Propagated by corm

No

Propagated by cuttings

Yes

Propagated by seed

Yes

Propagated by sod

No

Propagated by sprigs

No

Propagated by tubers

No

Seed per pound

175000

Seed spread rate

None

Seedling vigor

Medium

Small grain

No

Vegetative spread rate

None

Scarlet Firethorn

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

Rosales

Family

Rosaceae Juss. - Rose family

Genus

Pyracantha M. Roem. - firethorn

Species

Pyracantha coccinea M. Roem. - scarlet firethorn

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