Alphabetical Plant Listing

Hydrangea anomala subsp. petiolaris (Climbing Hydrangea)

Climbing Hydrangea, Hydrangea petiolaris, Hydrangea scandens Maxim.


Native to Asia, Hydrangea anomala subsp. petiolaris (Climbing Hydrangea) is a vigorous, large, deciduous climber that clings by aerial rootlets along the stems. Masses of fragrant white flowers held in flattened clusters, up to 8 in. across (20 cm), appear in late spring to early summer. Resembling lacecap flowers, each cluster consists of tiny, creamy-white to greenish-yellow fertile flowers in the center surrounded by a ring of showy white sterile flowers. Unfurling in spring, the foliage of heart-shaped, shiny, rich dark green leaves, up to 4 in. long (10 cm), keeps its fresh look throughout the summer and turns golden-yellow in the fall. Exposed in winter, the trunk is equally attractive with its reddish brown exfoliating bark on mature stems, adding a much needed splash of color in the winter landscape. An extremely versatile vine with year-round interest which looks terrific climbing up a wall as it clothes it with its pretty foliage and delicate lacecap flowers. A very popular and elegant landscape plant.

  • Winner of the prestigious Award of Garden Merit of the Royal Horticultural Society for its noteworthy qualities.
  • Grows up to 30-40 ft. tall (9-12 m) and 5-6 ft. wide (150-180 cm). Slow to establish, but quite vigorous thereafter. If unsupported, this vine can form a sprawling shrub, up to 3-4 ft. tall (90-120 cm)
  • A part shade to full shade lover, it is best grown in rich, moist, well-drained soils. Full sun is tolerated if constant moisture is provided. Intolerant of hot and humid conditions.
  • ideal to cover unsightly walls, fences. Effective climber against walls. Looks fantastic climbing up arbors, fences or the trunks of large trees.
  • Excellent resistance to diseases. Watch for aphids, capsid bug, glasshouse red spider mite and hydrangea scale
  • Propagate by layering
  • No regular pruning needed. However trimming may be required to keep this plant to the space available. Prune after flowering.
  • Can cause mild stomach upset if ingested.
  • Native to Japan and South Korea

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Requirements

Hardiness 4 – 9
Heat Zones 1 – 9
Climate Zones 2, 2A, 2B, 3, 3A, 3B, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, A2, A3
Plant Type Climbers
Plant Family Hydrangeas
Exposure Full Sun, Partial Sun, Shade
Season of Interest Spring (Late)
Summer (Early,Mid,Late)
Fall
Height 30' – 40' (9m – 12m)
Spread 5' – 6' (150cm – 180cm)
Spacing 72" (180cm)
Water Needs Average
Maintenance Low
Soil Type Clay, Loam, Sand
Soil pH Acid, Neutral
Soil Drainage Moist but Well-Drained
Characteristics Fragrant, Plant of Merit, Showy
Garden Uses Wall-Side Borders
Garden Styles City and Courtyard, Informal and Cottage

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paulrookes / 123RF Stock Photo

While every effort has been made to describe these plants accurately, please keep in mind that height, bloom time, and color may differ in various climates. The description of these plants has been written based on numerous outside resources.


Requirements

Hardiness 4 – 9
Heat Zones 1 – 9
Climate Zones 2, 2A, 2B, 3, 3A, 3B, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, A2, A3
Plant Type Climbers
Plant Family Hydrangeas
Exposure Full Sun, Partial Sun, Shade
Season of Interest Spring (Late)
Summer (Early,Mid,Late)
Fall
Height 30' – 40' (9m – 12m)
Spread 5' – 6' (150cm – 180cm)
Spacing 72" (180cm)
Water Needs Average
Maintenance Low
Soil Type Clay, Loam, Sand
Soil pH Acid, Neutral
Soil Drainage Moist but Well-Drained
Characteristics Fragrant, Plant of Merit, Showy
Garden Uses Wall-Side Borders
Garden Styles City and Courtyard, Informal and Cottage

Great Plant Combination Ideas with Hydrangeas

Guides with Hydrangeas

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