My Deer Garden

Is Smooth Hydrangea deer resistant?

Hydrangea arborescens

White dome-shaped smooth hydrangea flowers
Photo by H. Zell, CC BY-SA 3.0. Via Wikimedia Commons.
Occasionally damaged

Browsed where deer pressure is high. Protect it.

Rating source: Rutgers NJAES E271

Toxic to cats and dogs if eaten

About Smooth Hydrangea

Native, and it flowers on new wood, so cut it hard in spring and a cold winter never costs you the display. The very large-headed cultivars flop badly in rain; the newer strong-stemmed selections or a ring of support solve it. Tolerates more shade than most hydrangeas.

Soil and care

Soil pH
5.5 to 7
Drainage
Consistently moist
Water
Moderate
Spacing
59 to 71 in apart
Growth rate
Fast
Maintenance
Low

Deer-resistant alternatives to Smooth Hydrangea

Same plant type, hardy in the same zones, but rated better on the Rutgers scale. If Smooth Hydrangea keeps getting eaten, these go in the same spot.

Similar to Smooth Hydrangea

Other shrubs with the same deer rating.

Protecting Smooth Hydrangea

Whether this survives comes down to local pressure, so it is worth knowing the options before it gets browsed rather than after.

Where Smooth Hydrangea grows

Hardy across most of these 51 states on zone range alone. Mountain and coastal areas sit outside the ranges used here, so check your own zone before ordering.

Highlighted states are within its native range according to the USDA PLANTS database, where it is native to 26 US states in total.

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Every list Smooth Hydrangea belongs to.

Hardy in these zones

Common questions about Smooth Hydrangea

Is Smooth Hydrangea deer resistant?
Smooth Hydrangea (Hydrangea arborescens) is rated Occasionally Severely Damaged on the Rutgers NJAES four-tier scale. Browsed where deer pressure is high. Protect it.
What hardiness zones does Smooth Hydrangea grow in?
Smooth Hydrangea is hardy in USDA zones 3 to 9. Outside that range it will either not survive winter or will struggle with summer heat.
Does Smooth Hydrangea grow in shade?
Yes. Smooth Hydrangea tolerates part shade, which makes it one of the options for a shaded bed where deer also browse.
How big does Smooth Hydrangea get?
Mature height is roughly 36–60 in. Growth rate is fast.
Is Smooth Hydrangea toxic to dogs or cats?
Yes. The ASPCA lists Smooth Hydrangea as toxic to dogs, cats, and horses. Site it away from where animals graze, or choose something else if you have a dog that chews.