Viburnum congestum

Viburnum congestum

Congested Viburnum

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Taxonomy

Common Names

Congested Viburnum

Context

nativeRegion

Native to China, particularly Sichuan and Yunnan provinces.

usdaZones

Hardy in USDA Zones 7–9.

companionPlants

Rhododendron, Camellia, Azalea, Ferns

culturalUses

Grown as an ornamental shrub for dense foliage and spring flowers; used in hedges and naturalistic plantings.

Care

LightPrefers partial shade to full sun, but can tolerate full shade in mild climates.

WateringKeep soil consistently moist but not waterlogged; established plants are somewhat drought-tolerant.

SoilWell-drained, fertile soils; tolerates a range of soil types including loamy and slightly acidic.

FertilizerApply a balanced, slow-release fertilizer in early spring.

HumidityAverage humidity; tolerates both dry and slightly humid environments.

TemperatureHardy in mild climates; best grown in areas without extreme cold or heat.

HabitEvergreen or semi-evergreen shrub with dense foliage.

Mature SizeTypically reaches 1–2 meters tall and wide.

Growth RateModerate growth rate.

BloomingSmall white to cream flowers, usually blooming in spring.

DormancyNo pronounced dormancy; retains foliage year-round in mild climates.

MethodsSemi-ripe cuttings, Seed

DifficultyModerate; cuttings preferred for true-to-type plants.

Best SeasonLate spring to summer for cuttings; autumn for seeds.

PruningPrune lightly after flowering to shape and remove dead or damaged wood.

RepottingRepot container-grown specimens every 2–3 years or as needed.

Pests & DiseasesGenerally pest-resistant; occasional aphids or fungal leaf spots.

ToxicityFruit and leaves may be mildly toxic if ingested.

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