Illustration
DreamScape Hydrangea
Hydrangea arborescens 'Baicz10'
Also called dreamscape smooth hydrangea
DreamScape Hydrangea blooms from June through August.
Months here are Northern Hemisphere months; in the Southern Hemisphere, shift them by six months.
Growing DreamScape Hydrangea
Plant it in part shade. It prefers moderate water. It is hardy in USDA zones 3–8. Expect it to reach about 3.5 ft tall and 4.5 ft wide at maturity, in roughly 4 years (a house reading).
Is DreamScape Hydrangea toxic to dogs or cats?
- Listed as toxic to dogs and cats by NC State Extension, Pet Poison Helpline and Royal Horticultural Society.
- Listed as poisonous to people by NC State Extension.
Lists differ and none is complete. If a pet eats a plant and seems unwell, call a veterinarian or a pet poison helpline.
What was checked
Nine facts were checked against named botanical sources, each recorded beside the sources that carried it: mature height and spread, hardiness zones, sun, water, bloom months and color, the trait tags, and years to mature size, which rests on a recorded house rule where no publisher states one and is marked so. Soil, diseases, pests, toxicity and the plant's own names have not yet been read for this plant, and its trait tags are the ones a feature uses rather than every word a page prints. Each fact above carries its own mark. The planting, spacing and size sections are derived from these checked facts by a fixed rule, not checked separately, and the plant type is the library's own classification.
When to plant DreamScape Hydrangea
Plant DreamScape Hydrangea in early spring as soon as the soil is workable, or in early fall at least six weeks before your first frost, so roots establish in cool weather. In zone 5, the middle of its hardy zones 3 to 8, spring means April to June and fall means August or September. Once settled, it blooms from June to August.
Month-by-month timing for your zone is on the planting calendar; if you garden near zone 5, the middle of this plant's hardy range, start with zone 5 in April. Derived from the plant's category, zones and bloom months plus typical zone frost dates, not checked separately.
How big does DreamScape Hydrangea get?
3.5 fttall5 ft 7 inan adult4.5 ftwideSee DreamScape Hydrangea in a garden plan: the planner shows it in 3D beside everything else you add, growing toward this size over the years.
How far apart to plant DreamScape Hydrangea
Derived from the mature spread above by a fixed rule, not checked separately: spacing is the spread, center to center.
Space DreamScape Hydrangea about 4.5 ft apart, center to center, so each plant has room to reach its full width.
Add DreamScape Hydrangea to a garden plan and the planner draws it at its full width, so you see the spacing before you buy.
Where these facts come from
DreamScape Hydrangea's height, spread, hardiness zones, sun, water, bloom color and trait tags were checked against 9 published sources on October 20, 2026. Each one is linked below with every fact it carried, which can include a fact this page still marks as not yet checked, because a source carrying a value is not the same as the value being held to the standard. Facts not in that list, and the planting, spacing and size sections, are not covered by these sources.
- firsteditionsplants.comFirst Editions (Bailey Nurseries brand)height, spread, hardiness zones, sun, water, bloom months and color and trait tags
- Sooner Plant Farmheight, spread, hardiness zones, sun, water, bloom months and color and trait tags
- Plant Addictsheight, spread, hardiness zones, water and bloom months and color
- gertens.comGertens Garden Center, Minnesotaheight, hardiness zones, sun and bloom months and color
- Missouri Botanical GardenPlant Finder, species levelsun, water and bloom months and color
- pridescorner.comPrides Corner Farmsheight, spread, hardiness zones and water
- baileynurseries.comBailey Nurseries, breeder/introducerbloom months and color
- gertens.comGertens Garden Center, Minnesota, another taxon used only for template...bloom months and color
- NC State ExtensionPlant Toolbox, species levelsun and trait tags
How the checking works, and what each standard covers, is on the verified plants page.
Where it grows wild
A garden form of Smooth Hydrangea (Hydrangea arborescens)
Its wild parent is native to 24 states.
Its parent's own page: Smooth Hydrangea.
United States: Alabama, Arkansas, Delaware, District of Columbia, Florida, Georgia, Illinois, Indiana, Kansas, Kentucky, Louisiana, Maryland, Mississippi, Missouri, New Jersey, New York, North Carolina, Ohio, Oklahoma, Pennsylvania, South Carolina, Tennessee, Virginia, West Virginia and 12 more
Range data from the World Checklist of Vascular Plants, Royal Botanic Gardens, Kew (CC BY 4.0, adapted) and USDA PLANTS. How the native range is credited.
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Drop this plant onto a 3D plan, see how it fills in, and watch your whole garden bloom across the year.