How to Grow Koreanspice Viburnum
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Koreanspice Viburnum
Viburnum carlesii
shrubKoreanspice Viburnum is a deciduous to semi-evergreen ornamental shrub prized for its intensely fragrant, pink-budded white flower clusters that bloom in spring. The flowers emit a spicy-sweet clove-like fragrance that fills the garden. In fall, the foliage turns a beautiful purple-red, and small black berries develop that attract birds.
When should you plant Koreanspice Viburnum in your zone?
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Example Koreanspice Viburnum timeline · Pittsburgh, PA (Zone 6b)
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Plant Koreanspice Viburnum
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 Koreanspice Viburnum
Late summer into fallBefore the first fall frost (≈ Nov 8)
Sample dates for Pittsburgh, PA. Sign up to get exact Koreanspice Viburnum dates for your own zip code.
Growing Conditions
Soil
Growing Zones
Find your zone →Thrives in zones 4b-8a, with best performance in zones 5-7
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Get my Koreanspice Viburnum timeline →Growth Stages
Establishment
First 12 monthsYoung shrub with emerging leaves and establishment of root system
Water consistently and deeply. Apply 2-3 inches of mulch around base. Avoid fertilizing first year. Prune only to remove dead/damaged wood.
Vegetative Growth
Year 1-2Shrub develops woody framework with increasingly dense foliage; may not flower in first year
Continue regular watering. Light pruning after flowering to shape. Begin light fertilization in spring with balanced fertilizer.
Flowering
2-3 weeks in April-MayPink buds emerge in early spring, opening to intensely fragrant white flower clusters (domed cymes)
Peak flowering occurs in mid-spring. Do not prune before flowering as buds form on previous year's wood. Remove spent flowers if desired, though berries will not form.
Fruiting & Foliage Color
June-OctoberSmall dark blue-black berries develop after flowering; foliage transitions from green to purple-red in fall
Minimal intervention needed. Light pruning to maintain shape. Berries attract birds and wildlife. Foliage provides ornamental interest into fall.
Dormancy
November-MarchDeciduous to semi-evergreen shrub enters winter dormancy; stems remain ornamental
No watering needed once dormant. Prune in late winter if needed before new growth. Stems add winter interest.
Companion Planting
Plan your garden →Plant with:
Avoid planting near:
Common Pests
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Prune out infested branches in late summer. Remove egg-laying stems in winter. Apply dormant oil in early spring before leaf emergence.
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Strong water spray to dislodge. Insecticidal soap for severe infestations. Encourage natural predators.
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Increase humidity by misting. Horticultural oil spray. Avoid excessive heat and drought stress.
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Dormant oil spray in early spring. Horticultural oil in growing season if needed. Prune out heavily infested branches.
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Ensure good air circulation. Avoid overhead watering. Remove affected foliage. Fungicide spray if severe.
Uses
Fragrant Cut Flowers & Arrangements
HouseholdThe abundant, sweetly-scented flower clusters make excellent spring cut flowers for fragrant indoor arrangements and bouquets. Peak fragrance occurs in early morning hours. [source]
Bird and Pollinator Support
WildlifeThe spring flowers attract numerous pollinators including bees and butterflies, while the summer berries provide food for songbirds and wildlife in fall and winter. [source]
Landscape & Ornamental Appeal
CraftValued as a specimen shrub or backdrop planting for its seasonal interest: fragrant spring flowers, glossy foliage, colorful fall leaves, and persistent berries through winter. [source]
Traditional Herbal Uses
MedicinalVarious Viburnum species have been used in traditional folk medicine; Viburnum carlesii bark has been employed in herbal preparations, though clinical evidence is limited. [source]
Fruit Harvest for Wildlife Observation
CulinaryWhile not primarily cultivated for human consumption, the small black berries provide food for songbirds and can be observed and appreciated as part of wildlife gardening. [source]
This is not medical advice. LizPlants is not a medical resource. Always consult a qualified healthcare professional before using plants medicinally.
Harvest Tips
Koreanspice Viburnum is ornamental; cut flower clusters in early spring at peak bloom and place in water for fragrant indoor arrangements. Berries develop by mid-summer and persist into fall; leave for bird food.
Fun Facts
- 🌱 The name 'Koreanspice' refers to the plant's Korean origin and its intensely fragrant flowers, which emit a sweet spice-like aroma reminiscent of cloves and vanilla.
- 🌱 Viburnum carlesii was introduced to Western gardens from Korea in the early 1900s and has become a treasured ornamental shrub, particularly valued in spring gardens.
- 🌱 The shrub is relatively pest and disease-resistant compared to many ornamental shrubs, making it a reliable choice for low-maintenance landscapes, though viburnum leaf beetle can occasionally be problematic in some regions.
Gardening Terms
New to gardening? Learn about terms used in this guide:
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