NC State Extension
North Carolina Extension Gardener Plant Toolbox

Plant DetailShow Menu

Chimonanthus praecox

Phonetic Spelling
ky-mon-ANTH-us PRE-koks
This plant has low severity poison characteristics.
See below
Description

Wintersweet is a deciduous flowering shrub in the Calycanthaceae family, native to forested areas of China, but has been introduced to Japan. The genus name comes from the Greek words cheimon, meaning winter and anthos, meaning flower. The specific epithet means very early in reference to bloom time.

Winter sweet grows vigorously to 10 to 15 feet tall and 8 to 12 feet wide in full sun to partial shade. It prefers moist, well-drained soils and is drought-tolerant once established. Prune if needed after blooming to help control size and shape. Keep in mind the shrub blooms on old wood. It is best propagated from softwood cuttings, as plants started from seed can take up to 10 years to bloom.

In warmer winter areas, the flowers can start appearing in December and continue through March. In colder areas, flowers may not appear until February or March. Masses of cup-shaped flowers with pale yellow-green outer petals and shorter reddish-purple inner tepals appear before the leaves. They are pollinated by flies, hoverflies and early spring bees. Shiny dark green leaves appear in spring and turn yellow in the fall.

Two of its cultivars have received the Award of Garden Merit from the Royal Horticultural Society

Use winter sweet in the winter or cottage garden, in a courtyard setting or in mixed shrub hedges.

Quick ID Hints:

  • Opposite leaves, rough to the touch.
  • Cane-like growth, fountain-shaped bush
  • Yellow, fragrant winter flowers, purplish inside
  • Deciduous shrub, blooms in winter, when leafless

Insects, Diseases, and Other Plant Problems:  No significant problems. 

VIDEO created by Ryan Contreras for “Landscape Plant Materials I:  Deciduous Hardwoods and Conifers or Landscape Plant Materials II:  Spring Flowering Trees and Shrubs” a plant identification course offered by the Department of Horticulture at Oregon State University

Profile Video:
See this plant in the following landscape :
Cultivars / Varieties:
  • 'Grandiflorus'
    showier and purer-yellow flowers than the species, inner petals a striped maroon, not as fragrant. Leaves may be a bit larger an
  • 'Luteus'
    Dark gold flowers
'Grandiflorus', 'Luteus'
Tags:
#deciduous#fragrant flowers#shrub#yellow flowers#deciduous shrub#spring flowers#winter interest#poisonous fruits#spring interest#fantz#fountain form#winter flowers#problem for children#poisonous leaves#landscape plant sleuths course#problem for sheep#problem for pets
 
Cultivars / Varieties:
  • 'Grandiflorus'
    showier and purer-yellow flowers than the species, inner petals a striped maroon, not as fragrant. Leaves may be a bit larger an
  • 'Luteus'
    Dark gold flowers
'Grandiflorus', 'Luteus'
Tags:
#deciduous#fragrant flowers#shrub#yellow flowers#deciduous shrub#spring flowers#winter interest#poisonous fruits#spring interest#fantz#fountain form#winter flowers#problem for children#poisonous leaves#landscape plant sleuths course#problem for sheep#problem for pets
  • Attributes:
    Genus:
    Chimonanthus
    Species:
    praecox
    Family:
    Calycanthaceae
    Uses (Ethnobotany):
    Used in Chinese folk medicine
    Life Cycle:
    Woody
    Recommended Propagation Strategy:
    Seed
    Stem Cutting
    Country Or Region Of Origin:
    China North-Central, China South-Central & China Southeast
    Wildlife Value:
    Attracts pollinators. Birds feed on the fruit.
    Play Value:
    Edible fruit
    Fragrance
    Wildlife Food Source
    Edibility:
    Flowers can be used as an herbal tea. Avoid using the rest of the plant
    Dimensions:
    Height: 10 ft. 0 in. - 15 ft. 0 in.
    Width: 8 ft. 0 in. - 12 ft. 0 in.
  • Whole Plant Traits:
    Plant Type:
    Poisonous
    Shrub
    Woody Plant Leaf Characteristics:
    Deciduous
    Habit/Form:
    Arching
    Multi-stemmed
    Multi-trunked
    Growth Rate:
    Rapid
    Maintenance:
    Medium
    Texture:
    Coarse
  • Cultural Conditions:
    Light:
    Dappled Sunlight (Shade through upper canopy all day)
    Full sun (6 or more hours of direct sunlight a day)
    Soil Texture:
    Clay
    Loam (Silt)
    Sand
    Soil Drainage:
    Good Drainage
    Moist
    Available Space To Plant:
    6-feet-12 feet
    NC Region:
    Coastal
    Piedmont
    USDA Plant Hardiness Zone:
    7a, 7b, 8a, 8b, 9a, 9b
  • Fruit:
    Fruit Color:
    Brown/Copper
    Display/Harvest Time:
    Spring
    Fruit Type:
    Achene
    Fruit Description:
    Non-showy fruit. Urn-shaped receptacle bearing 5-8 bean-shaped achenes, non-ornamental. poisonous.
  • Flowers:
    Flower Color:
    Gold/Yellow
    Purple/Lavender
    Red/Burgundy
    White
    Flower Value To Gardener:
    Fragrant
    Flower Bloom Time:
    Spring
    Winter
    Flower Shape:
    Cup
    Flower Size:
    < 1 inch
    Flower Description:
    0.7-1 in. waxy, yellowish-white, cupped flowers in winter to early spring on leafless stems. The flowers are fragrant with purple centers and occur on the previous season's growth. The inner tepals brown or purple, outer tepals yellow.
  • Leaves:
    Woody Plant Leaf Characteristics:
    Deciduous
    Leaf Color:
    Green
    Leaf Feel:
    Rough
    Deciduous Leaf Fall Color:
    Gold/Yellow
    Leaf Type:
    Simple
    Leaf Arrangement:
    Opposite
    Leaf Shape:
    Cuneate
    Lanceolate
    Ovate
    Leaf Margin:
    Entire
    Hairs Present:
    No
    Leaf Length:
    3-6 inches
    Leaf Width:
    1-3 inches
    Leaf Description:
    Leaves are green lighter color.ed veins. Opposite, simple, lustrous, dark green leaves; 2.5-6 in. long; yellow-green fall color. Ovate-lanceolate, entire, acuminate, cuneate, rough to the touch.
  • Bark:
    Bark Color:
    Black
    Dark Brown
    Bark Description:
    Bark is dark brown to black.
  • Stem:
    Stem Color:
    Brown/Copper
    Gray/Silver
    Orange
    Stem Is Aromatic:
    No
    Stem Cross Section:
    Square
    Stem Lenticels:
    Conspicuous
    Stem Description:
    Squarish, shiny gray-brown, covered with orange-brown lenticels; cane-like growth.
  • Landscape:
    Landscape Location:
    Lawn
    Landscape Theme:
    Cottage Garden
    Garden for the Blind
    Winter Garden
    Design Feature:
    Hedge
    Small groups
    Attracts:
    Songbirds
  • Poisonous to Humans:
    Poison Severity:
    Low
    Poison Symptoms:
    It is especially poisonous to animals and should be avoided by humans as well. It is a central nervous system toxin that causes convulsions.
    Poison Toxic Principle:
    Calycanthine
    Causes Contact Dermatitis:
    No
    Poison Part:
    Leaves
    Seeds
    Stems