Hydrangea petiolaris
TAXONOMY
FamilyHydrangeaceae
GenusHydrangea
Zone4
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Hydrangea petiolaris, commonly known as the climbing hydrangea, is a deciduous liana native to the woodlands of Japan, Korea, and Siberia. It is known for its ability to climb walls and trees using aerial rootlets. The plant produces large, fragrant white flowers in the summer and has attractive, heart-shaped leaves. It goes dormant in the winter months.
ALSO KNOWN AS
Calyptranthe petiolaris
Climbing hydrangea
Hydrangea anomala subsp. petiolaris
Hydrangea anomala var. megaphylla
Hydrangea anomala var. ovalifolia
Hydrangea bracteata
Hydrangea cordifolia
Hydrangea petiolaris var. ovalifolia
Hydrangea tilaefolia
OVERVIEW
VPDCalculate
WaterWet
SoilLoamy
LightIndirect Bright (6 Hours)
Temperature18° C
Humidity60%
Dormancy3 Months
pH6
Pressure1,013 mbar
DETAILS
Care Instructions
Climbing hydrangeas prefer moderate temperatures and thrive in temperate climates. They require bright, indirect light and should be watered regularly to keep the soil evenly moist. They also benefit from high humidity levels. Pruning is necessary to maintain shape and encourage healthy growth.Soil
Hydrangea petiolaris prefers well-draining loamy soil that retains moisture but does not become waterlogged. The soil should be rich in organic matter to support its nutrient needs. A slightly acidic to neutral pH is ideal.Fertilizer
Use a balanced fertilizer with an N-P-K ratio of 10-10-10. Fertilize in the spring and summer months to support growth and flowering. Avoid over-fertilizing, as this can lead to excessive foliage growth at the expense of flowers.Repotting
Repot young plants every 2-3 years to refresh the soil and provide more space for root growth. When repotting, choose a container that is slightly larger than the current one and ensure it has good drainage. Repotting is best done in the early spring before new growth begins.Propagation
Propagate climbing hydrangeas through softwood cuttings taken in late spring or early summer. Dip the cuttings in rooting hormone and plant them in a well-draining potting mix. Keep the cuttings in a humid environment until they establish roots.Pruning
Prune climbing hydrangeas in late winter or early spring before new growth starts. Remove any dead or damaged wood and thin out crowded branches to improve air circulation. Pruning helps maintain the plant's shape and encourages vigorous growth.Toxicity
Hydrangea petiolaris is toxic to pets and humans if ingested. All parts of the plant contain cyanogenic glycosides, which can cause symptoms such as vomiting, diarrhea, and lethargy. Keep the plant out of reach of children and pets.Additional
Climbing hydrangeas can take several years to establish and begin flowering, but they are worth the wait for their stunning blooms and vigorous growth. They are excellent for covering walls, fences, and trellises, adding a touch of elegance to any garden.REVOLUTIONIZE YOUR PLANT CARE
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