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Cuphea Firecracker

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Mounded and trailing plants are useful in baskets, mixed containers and as a groundcover. Bright red and purple flowers top solid green foliage.
'Firecracker'
(Flowering Only License)
SEASON EXTENDER
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Culture Guide

Culture Guide

General Information

Height: 10-14" (25-36cm)
Spread: 20-24" (51-61cm)
Exposure: Sun

Propagation Guide

Tray Sizes (cells/tray): 50, 72, 84, 105
Rooting Hormone: No
Average Days with Mist: 6-8
Pinch: Yes
Average Propagation Time (weeks): 3-4
Comments: Roots quickly; avoid excessive water after rooting.

Finishing

Soil pH: 5.4-5.8
Light Levels (fc): 6,000-12,000
Temperature Day: 71-79°F (22-26°C)
Temperature Night: 59-64°F (15-18°C)
Fertilization (ppm N): 175-225
No. of Pinches: 1-2
Plant Growth Regulators (S=spray / (D=Drench: None
Pests: Whitefly, aphids
Diseases: Botrytis, Oedema, Root rot
Comments: Pinch as needed to shape. Keep soil moderately dry and maintain adequate air circulation during finishing to avoid Oedema. Fertilize regularly. Crop times will be shortest under high light.

Crop Time (weeks)

4- to 5-inch (10- to 13-cm) Pots, Quarts: 1-2 ppp, 6-8 weeks
6-inch (15-cm) Pots, Gallons: 1-2 ppp, 7-9 weeks
10- to 12-inch (25- to 30-cm) Tubs or Baskets: 3-5 ppp, 10-12 weeks
Cuphea Firecracker