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Gardenia ‘Crown Jewel’

Gardenia augusta

Gardenia augusta ‘Crown Jewel’, is a highly fragrant, white dwarf that blooms twice a year, survives cold winters and flowers prolifically. ‘Crown Jewel’ combines two breeds, the Kleim’s Hardy and the Chuck Hayes, and marries their best features. The plant has the Kleim’s Hardy’s dwarf size and prolific flowering, and the cold hardiness and double-bloom of the Chuck Hayes. The breeder’s current work is focused on creating distinctive cold-hardy gardenias with double blooms and disease and insect resistance.

Origin: USA

Description / Plant Notes:

  • USDA Zone 7-10 (0°F or -18°C)
  • A whole zone hardier than traditional Gardenia augusta hybrids
  • Compact spreading habit
  • Only 24″ x 24″ in four years

Patent Status: PP 19,896

PK Sheet
USDA Zone: 7 - 10
Height: 20 to 24-inches
51 to 61-centimeters
Spread: 20 to 24-inches
51 to 61-centimeters
Seasons: Year round
Flower Colors: White
Foliage Colors: Dark Green
Light Levels: Semi-Shade
Growth Habit: Compact-rounded
Usage: Container Gardens, Containers, Garden border, Landscapes, Mass landscape planting, Pollinator Plant, Pots
Patent Status: PP 19,896
Origin: USA

Grower Culture

Media: Well-draining media
Crop Timing from Rooted Liners:
1-gallon: 35 to 52-weeks with 1 ppp
3-gallon: 69 to 78-weeks with 1 ppp