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Smoke bush / smoke tree

Cotinus coggygria

Compiled by · Reviewed against CSU Extension & Plant Select® · Updated 2026-10-19

Smoke bush / smoke tree (Cotinus coggygria) is a shrub suited to the Colorado Front Range. It matures to about 10 to 15 ft tall and 10 to 15 ft wide, needs low to medium water, and prefers full sun. Smoky pink flower-fluff in summer; brilliant burgundy/red fall color. Purple-foliaged cultivars are popular.

On the CSU listlow to medium water10 to 15 ft tall and 10 to 15 ft wideXeric / water-wiseDeer-resistant

Photos

At a glance

Will it survive here?

Hardiness zones
USDA 4 to 8
Water needs
low to medium water
Sun
Best in full sun.
Soil
loam, sandy
Soil pH
6.0 to 7.8
Hail tolerance
moderate
Wind tolerance
moderate
Salt tolerance
moderate

How big, what shape?

Mature size
10 to 15 ft tall and 10 to 15 ft wide
Planting spacing
~15 ft apart (10 ft for a hedge/screen)
Growth rate
Moderate

What it looks like, and when

Bloom time
early summer
Bloom color
pink
Fall color
Red, orange, purple
Foliage
Deciduous

Who else benefits

Pollinator value
low
Deer
Generally deer-resistant
Colorado native
No

Also worth knowing

Fire rating
Not rated

Planting & establishment

Water weekly first summer. Sharp drainage is critical.

Frequently asked questions

Is Smoke bush / smoke tree good for the Colorado Front Range?
Yes, Smoke bush / smoke tree is a well-suited shrub for Colorado's Front Range.
How big does Smoke bush / smoke tree get?
It matures to about 10 to 15 ft tall and 10 to 15 ft wide.
How far apart do I plant Smoke bush / smoke tree?
Space Smoke bush / smoke tree about 15 ft apart for a full, natural form, or about 10 ft apart for a faster hedge or screen.
Is Smoke bush / smoke tree hardy on the Front Range?
Smoke bush / smoke tree is hardy in USDA 4 to 8. The Colorado Front Range spans roughly USDA 4b to 6a, so it is well within range.
How much water does Smoke bush / smoke tree need?
It needs low to medium water once established.
How fast does Smoke bush / smoke tree grow?
Smoke bush / smoke tree is a moderate-growing shrub. Growth rate depends on water and site conditions on the Front Range.
What color does Smoke bush / smoke tree turn in fall?
Smoke bush / smoke tree turns red, orange, and purple in autumn. Fall color intensity varies with the season and site on the Front Range.
Is Smoke bush / smoke tree native to Colorado?
No. It is not a Colorado native, but it grows well on the Front Range.
Is Smoke bush / smoke tree deer-resistant?
Smoke bush / smoke tree is generally considered deer-resistant, though no plant is deer-proof when browse pressure is high.

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See also

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