Lewisia cotyledon Elise
- FastraX perennial: First year flowering without vernalization
- Fleuroselect Gold Medal winners in the series
- Long flowering season
- Heat and drought tolerant
- Lighting up beds, containers and rock gardens
Culture guide
Sow time
18-22 weeks from sowing to flower
Sowing method
1 seed per plug. Cover seed with a light layer of medium vermiculite.
Germination
Maintain 18-20 °C (64-68 °F) and optimum conditions for seedling development, beginning on the day of sowing until radicle emergence. Expect radicle emergence in 14-21 days.
Growing on
Grow the plants cooler after transplanting at 10-18 °C (50-64 °F). Maintain an even moisture level , but allow the media to reach a medium (2) before re-saturating to a moist (3).
Media
pH 5.5-5.8. Maintain EC 1.2-1.5. Excessive N can lead to stretching and soft growth. Fertilize weekly using a complete fertilizer (15-5-15) or a 17-5-17 under high light levels at 150 ppm N.
Temperature
Grow at 12-18 °C or outdoors. In winter indoors frost free at 3-5 °C or outdoors. Outdoor fleece cover needed. In spring the plants start to grow for 4-8 weeks at 15-18 °C. Cold temperatures at 7-14 °C will increase the cultivation time. A chilling period (vernalization) is required for flower initiation
Fertilization
Low-moderate fertilization levels are required. Fertilize the crop weekly with 100-150 ppm nitrogen (at 2 kg/m³ slow release fertilizer in substrate), using a complete balanced fertilizer. Avoid high ammonium and high nitrogen levels. Don’t fertilize after mid September. In spring fertilize 100-150 ppm nitrogen of a complete balanced fertilizer. Prevent magnesium deficiency by applying magnesium sulphate (0,05 %) 1-2 times and in case of iron deficiency (above pH 6.0) apply iron-chelate for 1-2 times.
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