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Gardenia jasminoides

Previously known as:

  • Gardenia augusta
  • Gardenia florida
  • Gardenia grandiflora
Description

The gardenia has year-long appeal given its fragrant, showy flowers, and its lustrous dark emerald green foliage. It can be a houseplant or planted outdoors, preferring bright indirect sunlight or partial shade. Sheltering from the cold and strong winds should be considered to prevent winter burn. It is moderately drought-tolerant and resistant to damage by deer. Good air circulation will reduce pest problems.

Avoid competition from tree roots as gardenias have shallow roots and do not do well with root disturbance.  Hard water, poor absorption of iron due to very alkaline soil will result in chlorosis (yellow leaves). Gardenias should not be planted near a concrete walk or foundation where the alkalinity of the soil may be too high for good growth.  But they should be planted where their heady fragrance can be enjoyed.

Do not fertilize in the fall as this will cause a rush of frost tender growth.  Prune in the spring after flowering to dead-head and maintain shape.

Insects, Diseases, and Other Plant Problems:  Whiteflies can be a problem on stressed plants.

Quick ID Hints:

  • Pinwheel or spiral looking buds
  • Leaves rugose, dark green, glossy, with impressed veins
  • Very fragrant white, double flowers
  • Leaves opposite, whorled at branch tips

Evergreen shrub, 4-8' tall and wide.

Blooms May, June and July. Pungently fragrant, should be placed where fragrance can reach largest area. Beautiful foliage, holds color well into winter. Susceptible to pest/disease problems including whitefly. 

Requires acid soil, high organic content, sun to partial shade, needs protection from winter wind, cold temperatures. 

 

Cultivars / Varieties:
Tags:
#fragrant#evergreen#showy flowers#fragrant flowers#drought tolerant#perennial#white flowers#shrub#acidic soil#wildlife plant#cut flowers#medicinal#patio#high maintenance#playground#year-round interest#showy fruits#moist soil#well-drained soil#walkway#deer resistant#dense#glossy leaves#children's garden#part shade#rich soil#rounded#pollinator plant#fantz#orange fruits#berry#asian garden#border#food source fall#hedge
 
Cultivars / Varieties:
Tags:
#fragrant#evergreen#showy flowers#fragrant flowers#drought tolerant#perennial#white flowers#shrub#acidic soil#wildlife plant#cut flowers#medicinal#patio#high maintenance#playground#year-round interest#showy fruits#moist soil#well-drained soil#walkway#deer resistant#dense#glossy leaves#children's garden#part shade#rich soil#rounded#pollinator plant#fantz#orange fruits#berry#asian garden#border#food source fall#hedge
  • Attributes:
    Genus:
    Gardenia
    Species:
    jasminoides
    Family:
    Rubiaceae
    Uses (Ethnobotany):
    The yellow dye extracted from the fruit is used to dye food and clothes. The fruit is also used in Chinese herbal medicine.
    Life Cycle:
    Perennial
    Woody
    Recommended Propagation Strategy:
    Grafting
    Layering
    Seed
    Stem Cutting
    Country Or Region Of Origin:
    Southern China, Taiwan. Japan, and Vietnam
    Wildlife Value:
    Gardenia hips attract birds and other wildlife. Attracts pollinators.
    Play Value:
    Attractive Flowers
    Attracts Pollinators
    Buffer
    Fragrance
    Dimensions:
    Height: 4 ft. 0 in. - 8 ft. 0 in.
    Width: 4 ft. 0 in. - 8 ft. 0 in.
  • Whole Plant Traits:
    Plant Type:
    Houseplant
    Perennial
    Shrub
    Leaf Characteristics:
    Broadleaf Evergreen
    Habit/Form:
    Dense
    Mounding
    Multi-stemmed
    Rounded
    Growth Rate:
    Medium
    Maintenance:
    High
    Texture:
    Medium
  • Cultural Conditions:
    Light:
    Dappled Sunlight (Shade through upper canopy all day)
    Full sun (6 or more hours of direct sunlight a day)
    Partial Shade (Direct sunlight only part of the day, 2-6 hours)
    Soil Texture:
    Clay
    High Organic Matter
    Loam (Silt)
    Sand
    Soil pH:
    Acid (<6.0)
    Soil Drainage:
    Good Drainage
    Moist
    Occasionally Dry
    Occasionally Wet
    Available Space To Plant:
    3 feet-6 feet
    NC Region:
    Coastal
    Mountains
    Piedmont
    Usda Plant Hardiness Zone:
    7b, 8a, 8b, 9a, 9b, 10a, 10b, 11a, 11b
  • Fruit:
    Fruit Color:
    Orange
    Fruit Value To Gardener:
    Showy
    Display/Harvest Time:
    Fall
    Summer
    Fruit Type:
    Berry
    Fruit Length:
    1-3 inches
    Fruit Width:
    < 1 inch
  • Flowers:
    Flower Color:
    Cream/Tan
    Gold/Yellow
    White
    Flower Inflorescence:
    Head
    Flower Value To Gardener:
    Fragrant
    Good Cut
    Showy
    Flower Bloom Time:
    Spring
    Summer
    Flower Shape:
    Radial
    Flower Size:
    1-3 inches
    Flower Description:
    2-3 inch waxy flowers that are white to cream and age to yellow. Very fragrant, white, can be double, 2-3" diameter. Calyx lobes are subulate.
  • Leaves:
    Leaf Characteristics:
    Broadleaf Evergreen
    Leaf Color:
    Green
    Leaf Feel:
    Glossy
    Leathery
    Leaf Type:
    Simple
    Leaf Arrangement:
    Opposite
    Whorled
    Leaf Shape:
    Lanceolate
    Ovate
    Leaf Margin:
    Entire
    Hairs Present:
    No
    Leaf Length:
    3-6 inches
    Leaf Width:
    1-3 inches
    Leaf Description:
    Leaves are opposite or whorled with dark emerald color and are 2-4 inches long. They have prominent pinnate veining. Whorled or opposite arrangement, 2-4" long. Rugose, glossy and dark green above, lighter and duller below. Margin is entire, veins impressed.
  • Bark:
    Bark Description:
    Does not have a showy bark texture.
  • Stem:
    Stem Is Aromatic:
    No
    Stem Description:
    Pinwheel or spiral looking.
  • Landscape:
    Landscape Location:
    Container
    Houseplants
    Patio
    Recreational Play Area
    Walkways
    Landscape Theme:
    Asian Garden
    Children's Garden
    Cutting Garden
    Garden for the Blind
    Nighttime Garden
    Pollinator Garden
    Design Feature:
    Border
    Hedge
    Screen/Privacy
    Specimen
    Attracts:
    Bees
    Pollinators
    Songbirds
    Resistance To Challenges:
    Deer
    Drought