How to Grow Dahoon Holly
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Dahoon Holly
Ilex cassine
shrubDahoon Holly is a native North American evergreen shrub known for its glossy, narrow leaves and bright red berries that persist through winter. It grows 15-30 feet tall and is valued for ornamental interest, wildlife habitat, and as a specimen plant in gardens. The female plants produce abundant berries that attract birds and other wildlife.
When should you plant Dahoon Holly in your zone?
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Example Dahoon Holly timeline · Pittsburgh, PA (Zone 6b)
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Plant Dahoon Holly
Around Apr 17Near Pittsburgh's average last spring frost.
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Tend & protect
Late spring–summerWatering, feeding, and pest-watch reminders.
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Harvest Dahoon Holly
Late summer into fallBefore the first fall frost (≈ Nov 8)
Sample dates for Pittsburgh, PA. Sign up to get exact Dahoon Holly dates for your own zip code.
Growing Conditions
Soil
Growing Zones
Find your zone →Thrives in zones 7-10, best in zones 8-9
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Get my Dahoon Holly timeline →Growth Stages
Establishment
First 1-2 yearsYoung shrub with developing root system and initial growth of foliage
Water deeply and regularly during first 1-2 years. Mulch around base. Avoid heavy pruning.
Vegetative Growth
Years 2-4Shrub develops full canopy with glossy, narrow green leaves; steady upright or spreading growth
Maintain consistent moisture. Prune lightly to shape if desired. Apply balanced fertilizer in spring.
Flowering
Spring (April-May)Small white to greenish-white flowers appear in leaf axils; flowers are inconspicuous
Ensure female plants are pollinated by nearby male plants for berry production. No special care needed.
Fruiting
Summer through winter (June-January)Bright red drupes develop on female plants, becoming more vibrant as fall progresses
Ensure adequate moisture and nutrients. Berries persist into winter. Male plants nearby ensure good berry set.
Mature Plant
Year 5 onwards (indefinite lifespan)Fully established shrub 15-30 feet tall with dense foliage and consistent berry production
Prune selectively to maintain shape. Water during droughts. Minimal fertilization needed once established.
Companion Planting
Plan your garden →Plant with:
Avoid planting near:
Common Pests
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Remove affected leaves, prune out infested branches. Horticultural oil spray in early spring can prevent infestations.
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Spray with strong water to dislodge. Use miticide if severe. Maintain adequate moisture to reduce stress.
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Horticultural oil or neem oil spray during dormant season. Hand-remove if light infestation.
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Generally not serious. Prune affected branches if necessary. Maintain plant health.
Uses
Winter Interest & Specimen Plant
OrnamentalDahoon Holly provides year-round visual interest with evergreen foliage and bright red berries that persist through winter, making it an excellent focal point in gardens or naturalized landscapes. [source]
Wildlife Food & Habitat
WildlifeThe abundant red berries are a vital winter food source for songbirds, cedar waxwings, robins, and other wildlife. The dense foliage provides shelter and nesting sites. [source]
Cut Arrangements & Holiday Décor
HouseholdDahoon holly branches with berries are popular for Christmas arrangements, wreaths, and fresh holiday decorations, offering a native alternative to traditional holly. [source]
Wetland & Rain Garden Plant
EcologicalNative to southeastern swamps and wetlands, Dahoon Holly is excellent for rain gardens, bioswales, and areas with naturally moist or wet soils, supporting native ecosystems. [source]
Traditional Herbal Uses
MedicinalNative American tribes historically used dahoon holly for medicinal purposes, including a ceremonial drink called 'black drink,' though modern medicinal use is limited. [source]
This is not medical advice. LizPlants is not a medical resource. Always consult a qualified healthcare professional before using plants medicinally.
Harvest Tips
No harvesting for edible purposes. Berry-bearing branches can be cut in late fall or winter (November-January) for ornamental arrangements and holiday decorations. Cut branches will last 2-3 weeks in water.
Fun Facts
- 🌱 Dahoon Holly is native to the southeastern United States and thrives naturally in swamps and wetlands, making it one of the most moisture-tolerant holly species.
- 🌱 The name 'Dahoon' comes from a Timucua (Native American) word, reflecting its deep historical significance in southeastern North America.
- 🌱 Unlike many plants that produce seed from flowers, only female Dahoon Holly plants produce the showy red berries—male plants are needed nearby for pollination but produce no berries themselves.
Gardening Terms
New to gardening? Learn about terms used in this guide:
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