PL. —Ilex cornutaBotanical illustration — drop image
Ilex cornuta

Chinese Holly

SpringSummerFallWinter
7a9bHardiness zone
Background

Chinese holly is a slow-growing, dense evergreen shrub native to eastern China and Korea. Its leaves are nearly rectangular with five sharp corner spines — a shape distinct from most other commonly grown hollies. Large, glossy red berries ripen in fall and persist through winter, providing food for birds and extending ornamental interest well into the cold months. The plant functions effectively as a foundation planting, clipped hedge, or thorny barrier where spiny foliage is an asset.

It tolerates heat and drought better than most hollies once established, performing reliably across the humid Southeast and into the lower mid-Atlantic. Slightly acidic, well-drained soil suits it best; a layer of organic mulch over the root zone maintains moisture and moderates soil pH. Many cultivars, including 'Burfordii', set fruit without a male pollinator, while the straight species and numerous other selections require a compatible male plant nearby for consistent berry production. Heavy shade reduces berry set and loosens the tight, dense form that makes this shrub useful for screens and formal hedges.

Care guide
SunFull sun to part shade
WaterModerate
SoilMoist, well-drained, acidic
Spacing6–8 ft
Height8–10 ft
Zone7a – 9b
Frost hardy
Seasonal tasks
spring
sowApply a slow-release, acid-forming fertilizer as new growth begins. Follow label rates; excess nitrogen produces soft growth prone to pest damage.
cutPrune to shape in early spring before the new growth flush. Remove any winter-damaged stems back to healthy wood, cutting just above an outward-facing leaf.
sowPlant container-grown specimens in early spring once soil is workable. Set the root ball at the same depth it sat in the pot and water in thoroughly.
summer
watchInspect leaves in early summer for holly leafminer — pale or brown serpentine tunnels inside the blade. Remove and dispose of heavily affected foliage to reduce next-year pressure.
watchCheck stems for scale insects in midsummer. Light infestations can be treated with horticultural oil applied when temperatures are below 90°F.
cutTrim hedges or shape specimens in midsummer if needed. Avoid heavy pruning after late summer, which can stimulate soft growth that will not harden before frost.
fall
watchMonitor for tar spot — yellow patches on upper leaf surfaces that develop into raised black lesions by fall. Rake and dispose of fallen leaves to reduce spore carryover to the following season.
watchConfirm drainage around the root zone before winter rains set in. Prolonged wet soil in fall and winter is the primary trigger for Phytophthora root rot on established plants.
Common problems

Holly Tar Spot

Symptoms

Yellow spots appear on upper leaf surfaces in early summer and enlarge into raised, black, tar-like lesions by late summer; infected leaves drop early.

Treatment

Rake and dispose of all fallen leaves in autumn to eliminate overwintering spores. Apply a copper-based fungicide at bud break if infection was heavy the prior season.

Fungal leaf spot

Symptoms

Brown or purplish spots on the leaves, often ringed with a yellow halo, that spread and merge in warm, humid, or wet weather; heavily spotted leaves yellow and drop early.

Treatment

Pick off spotted leaves and clear fallen debris to remove overwintering spores. Improve air circulation by thinning, and water at the base so foliage dries quickly. If it persists, apply a copper- or sulfur-based fungicide at the first sign.

Phytophthora Root Rot

Symptoms

Wilting despite moist soil, yellowing leaves, stunted growth, and dark, decayed roots and crown tissue. Vines may collapse during hot weather.

Treatment

Plant in well-draining soil and avoid waterlogging. Remove and destroy affected vines. Improve drainage with raised beds or amended soil and avoid overwatering.

Leaf gall

Symptoms

Leaves, buds, or young shoots thicken into pale green, reddish, or whitish fleshy galls that later turn white with a powdery spore bloom before browning.

Treatment

Pick off and destroy galls before they turn white and shed spores. Improve air circulation and avoid overhead watering in spring. The damage is largely cosmetic and rarely needs fungicide.

Pests

Holly Scale

Dynaspidiotus britannicus
Symptoms

White or gray waxy bumps on stems and undersides of leaves; yellowing foliage, reduced vigor, and sooty mold developing from honeydew deposits.

Treatment

Apply dormant horticultural oil before bud break to smother overwintering scales. Spray insecticidal soap or summer-weight horticultural oil when crawlers emerge in early summer. Prune and destroy heavily infested stems.