Hydrangea sikokiana

Known as hydrangea sikokiana, this plant has unique leaves with fuzzy undersides and pinkish-purple flowers. It is a cool-climate shrub native to Japan and is suited for shady, moist areas. Hydrangea sikokiana is a popular ornamental garden plant and also has medicinal uses in traditional Japanese medicine.

Scientific classification

Species

Hydrangea sikokiana (Hydrangea sikokiana)

Dogwoods, hydrangeas, and allies

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Shrub

Plant Type

Deciduous

Leaf type

0 - 35 ℃

Ideal Temperature

Images of Hydrangea sikokiana

Distribution of Hydrangea sikokiana

Distribution Map

The plant hydrangea sikokiana is native to the temperate regions of eastern Asia. Its natural range has since been expanded through cultivation. While hydrangea sikokiana is not widely introduced, it is maintained in various botanical collections and gardens across similar climates in the northern hemisphere. The cultivation practices help conserve hydrangea sikokiana and allow it to thrive far beyond its endemic borders, without large-scale naturalization in foreign territories.

Native

Cultivated

Invasive

Introduced

No species reported

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Care Guide for Hydrangea sikokiana

Twice per week

Water

Partial sun

Sunlight

0 - 35 ℃

Ideal Temperature

Water: Hydrangea sikokiana prefers moist, humid conditions and cannot tolerate drought. Water twice a week, keeping the soil moist but not waterlogged. Indoors, mist regularly to mimic humidity. During dormancy in colder months, reduce watering but maintain slight soil moisture to support spring growth.

Fertilize: Hydrangea sikokiana requires specific fertilization: Bigleaf hydrangea needs it several times in spring to early summer; Panicle hydrangea once in spring; Oakleaf hydrangea twice every two months, and Smooth hydrangea once before winter. Iron deficiency leads to yellowing leaves; use acidic fertilizers or foliar spraying for correction.

Pruning: Hydrangeas require different pruning methods based on their blooming types. Bigleaf and oakleaf hydrangeas bloom on old branches and should be pruned in early summer. In contrast, smooth and panicle hydrangeas bloom on new branches, allowing more flexible pruning, except in spring during budding.

Propagation: Hydrangea sikokiana can be propagated through cuttings by selecting healthy stems and using sterilized tools. Place cuttings in a moist rooting medium to promote root growth. This method effectively expands a gardener's collection while preserving parent plant characteristics, tailored to hydrangea sikokiana's specific needs.

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Learn More About Hydrangea sikokiana

How to Transplant

How to Propagate

How to Grow and Care

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Images of Hydrangea sikokiana

Distribution of Hydrangea sikokiana

Care Guide for Hydrangea sikokiana

Common Pests & Diseases