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NEW Plectranthus Mona Magenta

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Easy to program for flower timing. The versatile Mona Series stands up to high heat in production – it’s a terrific northern Fall product and a staple in the South. Requires short days to flower.
Breeder Acknowledgment: Mona Lavender is bred by KIRSTENBOSCH, a U.S. trademark of the South African National Biodiversity Institute.

Culture Guide

Culture Guide

General Information

Height: 12-16" (30-41cm)
Spread: 24-36" (61-91cm)
Exposure: Shade, Partial Sun

Propagation Guide

Tray Sizes (cells/tray): 50, 72, 84, 105
Rooting Hormone: Yes
Average Days with Mist: 6-10
Pinch: Optional
Average Propagation Time (weeks): 3-4
Comments: Apply preventative fungicide spray after sticking.


Soil pH: 5.8-6.2
Light Levels (fc): 4,000-7,000
Temperature Day: 74-79°F (23-26°C)
Temperature Night: 59-64°F (15-18°C)
Fertilization (ppm N): 175-225
No. of Pinches: 0-1
Plant Growth Regulators (S=spray / (D=Drench: B-Nine 1,500-2,500 ppm and Cycocel 750-1,000 ppm tank mix(S) or Bonzi(S) 5-20 ppm applied as needed is effective.
Pests: Whitefly, worms
Diseases: Root rot
Comments: Mona Lavender and Mona Magenta require a short-day treatment to flower. Natural-day crops can be finished in southern climates for January to March sales. Spring, Summer and Fall crops can be achieved using black cloth/short days in all regions.

Crop Time (weeks)

4- to 5-inch (10- to 13-cm) Pots, Quarts: 1 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, 9-12 weeks