Many pink lacecap flowers on Twirligig mountain hydrangea A specimen of Twirligig mountain hydrangea blooming in a landscape with both pink and blue flowers Closeup of four blooms on Twirligig mountain hydrangea growing in front of a lace leaf yellow elderberry

TWIRLIGIG™

Hydrangea - Mountain

Hydrangea serrata

'Shojo'

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Many pink lacecap flowers on Twirligig mountain hydrangea A specimen of Twirligig mountain hydrangea blooming in a landscape with both pink and blue flowers Closeup of four blooms on Twirligig mountain hydrangea growing in front of a lace leaf yellow elderberry
  • Improved hardiness
  • Colorful blooms
  • Lacecap flowers
Description
Abundant lace-cap blooms. The corps de ballet is in town! Twirligig™hydrangea gets its name from the beautiful swirls of soft pink sterile florets encircle the rich pink fertile flowers in a parade of twirling blooms. This charming bud-hardy hydrangea is very showy. Flowers may turn purple or blue in acidic soils.

USDA Zone 5 - 9 (-20°F/-28.9°C)

icon visually displaying the size and shape of this plant variety

Exposure Full sun, Part sun

Height 4 - 5'

Width 4 - 5'

Finish Time .5 season

Type Deciduous

Bloom Time Summer - fall

Foliage Color Green

Liner Sizes 4"

Soil Moist but well drained soils are best. Mountain hydrangeas are less susceptible to wilting than bigleaf hydrangeas, but cannot take soggy conditions for any period of time. Tolerant of a range of soil pH levels, however, soil pH will influence flower color.

Pruning Avoid pruning mountain hydrangeas, except to remove any dead wood. These hydrangeas cannot be cut back or trimmed at any time of the year without impacting the bloom for either the current season or the next. Though they do rebloom readily on new wood, the best display comes from treating them as though they bloom only old wood.

Uses Mixed borders; foundation plantings

Growing Tips Mountain hydrangeas are from the same area of Japan as bigleaf hydrangeas but grow in the mountains instead of the seaside. As a result, they have naturally developed better cold tolerance and thus make an outstanding choice for gardens in USDA zones 5 and 6 especially.