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Osteospermum Serenity™ Dark Purple

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  • Exceptional habit and uniform timing for early-season bench-run production.
  • “Magic” colors change as flowers fully open – a plus in consumers' eyes!
  • Low-energy crop produces full, mounded plants with tighter bench spacing and fewer PGRs.
  • All varieties feature the same excellent branching.
  • Well-suited to cool-season containers and landscapes: a full-season performer in coastal markets.

Culture Guide

Culture Guide

Other Resources


Serenity Spring Day Osteospermum

General Information

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

Propagation Guide

Tray Sizes (cells/tray): 32, 50, 72, 84, 105
Rooting Hormone: Yes
Average Days with Mist: 9-12
Pinch: Optional
Average Propagation Time (weeks): 3-4
Comments: Maintain uniformity in mist and soil temperature. Do not allow cuttings to wilt. Pinch to increase branching.


Soil pH: 5.8-6.2
Light Levels (fc): 5,000-9,000
Temperature Day: 59-76°F (15-24°C)
Temperature Night: 44-55°F (7-13°C)
Fertilization (ppm N): 225-300
No. of Pinches: 1
Plant Growth Regulators (S=spray / (D=Drench: Is responsive to B-Nine(S) 2,500-4,000 ppm alone or as a tank mix(S) with Cycocel 750-1,000 ppm. Bonzi(S) 15-30 ppm is also effective.
Pests: Aphids, whitefly, thrips
Diseases: Root and stem rot, Botrytis
Comments: After transplanting, allow plants to become established for 1-2 weeks at 60-65°F (15-18°C). Once plants are well established, begin growing at recommended cool temperatures. After 4-6 weeks of cool conditions, plants can be forced in 6-8 weeks.

Crop Time (weeks)

4- to 5-inch (10- to 13-cm) Pots, Quarts: 1 ppp, 10-13 weeks
6-inch (15-cm) Pots, Gallons: 2-3 ppp, 11-14 weeks
10- to 12-inch (25- to 30-cm) Tubs or Baskets: 3-4 ppp, 11-15 weeks