Wisteria sinensis
Wisteria sinensis
Chinese wisteria
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Common Names
Chinese wisteria
Context
nativeRegion
China (native to temperate regions of central and eastern China).
usdaZones
5–9
companionPlants
Roses, Clematis, Campsis (Trumpet vine), Hosta
culturalUses
Widely grown ornamentally for its dramatic, fragrant flowers; traditional feature in gardens, courtyards, and trained over pergolas and trellises.
Care
Care Requirements
LightFull sun to partial shade; at least 6 hours of direct sunlight for best flowering.
WateringWater regularly during establishment; once mature, moderately drought-tolerant but prefers consistent moisture.
SoilMoist, well-drained, fertile soil; tolerates a range of soil types but prefers slightly acidic to neutral pH.
FertilizerFeed in spring with a balanced, slow-release fertilizer; avoid high-nitrogen mixes as they may promote foliage over flowers.
HumidityTolerates average humidity; not fussy.
TemperatureHardy in a range of climates; tolerates temperatures down to -20°C (-4°F); best in USDA zones 5-9.
Growth & Life Cycle
HabitDeciduous, woody climbing vine.
Mature Size10-30 meters (33-98 feet) long, with support.
Growth RateFast-growing once established.
BloomingFragrant, violet-blue flowers in late spring (April to May) before the leaves fully expand.
DormancyDeciduous; loses leaves in winter.
Propagation
MethodsSeed, Softwood cuttings, Hardwood cuttings, Layering
DifficultyModerate; cuttings or layering preferred for reliable flowering.
Best SeasonLate spring to early summer for cuttings; autumn for layering.
Maintenance & Notes
PruningPrune twice yearly—once after flowering (summer) and again in late winter to control size and encourage blooms.
RepottingN/A for in-ground; for containers, repot every 2-3 years.
Pests & DiseasesGenerally disease-resistant; watch for aphids, scale, and root rot in poorly drained soils.
ToxicityMildly toxic to humans and pets if ingested (seeds and pods).
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