Calycanthus Species, Chinese Sweetshrub, Chinese Wax Shrub

Calycanthuschinensis

Genus
Calycanthus (kal-ee-KAN-thus)
Species
chinensis (chi-NEN-sis)
Synonym
Sinocalycanthus chinensis
Sun Exposure
Light Shade
Partial to Full Shade
Foliage
Deciduous
Textured
Height
4-6 ft. (1.2-1.8 m)
6-8 ft. (1.8-2.4 m)
Spacing
6-8 ft. (1.8-2.4 m)
8-10 ft. (2.4-3 m)
Hardiness
USDA Zone 6a: to -23.3 °C (-10 °F)
USDA Zone 6b: to -20.5 °C (-5 °F)
USDA Zone 7a: to -17.7 °C (0 °F)
USDA Zone 7b: to -14.9 °C (5 °F)
USDA Zone 8a: to -12.2 °C (10 °F)
USDA Zone 8b: to -9.4 °C (15 °F)
Danger
N/A
Bloom Color
White/Near White
Bloom Time
Mid Spring
Late Spring/Early Summer
Mid Summer
Other Details
Category
Shrubs
Water Requirements
Average Water Needs; Water regularly; do not overwater
Requires consistently moist soil; do not let dry out between waterings
Foliage Color
Chartreuse/Yellow
Where to Grow
Grow outdoors year-round in hardiness zone
Bloom Characteristics
Bloom Size
Other details
Soil pH requirements
Patent Information
Non-patented
Propagation Methods
Seed Collecting
N/A: plant does not set seed, flowers are sterile, or plants will not come true from seed
Regional

This plant is said to grow outdoors in the following regions:

Louisville, Kentucky

Jamaica Plain, Massachusetts

Nashville, Tennessee

Seattle, Washington

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Gardener's Notes:

3
positives
2
neutrals
0
negative
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W
Mertztown, PA | 3 weeks ago | positive

It is a beautiful shrub and is a wonderful addition to the shady garden. By the way it does set seed and the seeds do come true . I have ...Read More

C
ROSLINDALE, MA | July 2016 | positive

Does well in full sun in Boston Z6a.

Flowers are much larger and showier than C. floridus, and the foliage bolder/larger. ...Read More

R
Lexington, MA (Zone 6a) | February 2011 | neutral

The Gossler Guide to the Best Hardy Shrubs identifies that this species was first brought to the US in the 1980's from China. It is vigo...Read More

M
Topsfield, MA (Zone 6a) | October 2009 | positive

Great shrub with big leaves! Arnold Arboretum grows it, so pretty safe to say it's Zone 6 hardy.

B
Lakemont, GA (Zone 8a) | April 2006 | neutral

This is the description from the Forest Farm catalog: Very rare and lovely in Spring when 3'' flowers, white-flushed pink with a yellow c...Read More

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