PlantsHydrangeas→Smooth Hydrangea (Hydrangea arborescens White Dome®)

Trade name information:
Trade Name: White Dome®
Cultivar name: 'Dardom'
Common names:
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General Plant Information (Edit)
Plant Habit: Shrub
Sun Requirements: Full Sun to Partial Shade
Partial or Dappled Shade
Water Preferences: Mesic
Soil pH Preferences: Neutral (6.6 – 7.3)
Minimum cold hardiness: Zone 4a -34.4 °C (-30 °F) to -31.7 °C (-25 °F)
Maximum recommended zone: Zone 8b
Plant Height: 3 to 6 feet
Plant Spread: 4 to 6 feet and more
Leaves: Deciduous
Fruit: Dehiscent
Flowers: Showy
Blooms on new wood
Flower Color: White
Flower Time: Late spring or early summer
Summer
Uses: Provides winter interest
Cut Flower
Wildlife Attractant: Bees
Butterflies
Resistances: Rabbit Resistant
Flood Resistant
Propagation: Other methods: Cuttings: Stem
Stolons and runners
Pollinators: Hoverflies
Wasps
Beetles
Moths and Butterflies
Flies
Bumblebees
Bees
Containers: Suitable in 3 gallon or larger
Miscellaneous: Tolerates poor soil
Monoecious
Patent/Plant Breeders' Rights: PBR10,977; PP14,168

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By PollyK
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Location: Porch gardenDate: 2010-0716
By pirl
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Location: Porch gardenDate: 2010-0716
By pirl
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Location: Porch gardenDate: 2010-0716
By pirl
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Location: Porch gardenDate: 2010-0716
By pirl
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Comments:
Posted by ILPARW (southeast Pennsylvania - Zone 6b) on Dec 26, 2020 1:40 PM

This is a newer cultivar. It came about from two unidentified selections of the species that crossed by natural pollination in 1997. It bears flowerheads about 6 to 10 inches across mostly with the small, fertile florets, and some showy infertile florets. Therefore, it is loved by pollinators. This cultivar grows about 4 to 6 feet high with good straight stems. I have not yet seen it. It is offered by the huge Proven Winners nursery company that offers a huge array of diverse cultivars of shrubs, perennials, and annuals one can find in most conventional nurseries and garden centers. It was patented in September 2003. It should be able to grow in a wide pH range of 6.0 to 8.5 like the mother species in moist to wet mesic soils.

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Posted by pirl (Southold, Long Island, NY - Zone 7a) on Aug 24, 2014 9:25 AM

Grew very tall here and very wide. Allow sufficient room for its quick expansion.

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