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B4500 - ARENARIA MONTANA, SANDWORT
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'Arenaria montana'
impressive mounds of white flowers, wintergreen
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TECHNICAL INFORMATION |
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| Life Cycle: | |
Perennial
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| Familiy, Origin: | |
Caryophyllaceae, West Europe
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| Sitelocation: | |
Full sun
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| Garden Height: | |
15 cm
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5,91 inch
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| Natural flowertime: | |
May - June
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| Crop Time: | |
Plug crop: 6 weeks; Green pots: 12-14 weeks; Flowering pots: 8-10 months, with vernalization
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| Seed Form: | |
Raw Seed
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| Seed Count: | |
769 K/g
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| Sowing Time: | |
Green pots: January-March; Flowering pots: June-August
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| Sowing Method: | |
2-3 seeds per plug, can be multiple sown directly into pots or packs
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| Germination: | |
9-14 days at 18-21 °C in media with very low soluble salt levels and pH: 6.0-7.0. Cover seed lightly with vermiculite. Keep soil slightly moist but not wet.
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| Plug Culture: | |
From Stage II* reduce the soil moisture, but the plug should not dry out and reduce the temperature to 18 °C. Do not let soluble salt level rise above 0,50 EC. Start fertilization at 50 ppm nitrogen in a well balanced formula. During Stage III and Stage IV fertilization levels can be increased to 80-100 ppm.
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| Growing On: | |
4-5 weeks after sowing transplant 2-3 plants into a pack or pot (6-10 cm).
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| Media: | |
Use a well-drained, growing perennial substrate with 0-15 % clay, 0-10 % sand,
0-15 % organic parts (e.g. bark), 1-1,5 kg/m³ complete balanced fertilizer, 1-2 kg/m³ slow release fertilizer (3-9 months), iron-chelate, micronutrients, pH: 6.0-7.0.
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| Photoperiod / Light: | |
Long day plants. Start in spring with supplemental lighting for good plant quality.
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| Temperature: | |
Grow at 15-18 °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 10-11 weeks at 15-18 °C. Cold temperatures at 7-12 °C will increase cultivation time.
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| Fertilization: | |
Low fertilization levels are required. Fertilize the crop weekly with 60-80 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 with 60-80 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 apply iron-chelate for 1-2 times. The roots are sensitive to high salt levels in substrates. Avoid high fertilizer concentrations,
it is advisable to fertilize several times with low concentrations weekly.
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| Cultural Hints: | |
The roots grow at the substrate surface and can dry out very quickly. The plant growth is slow. Clean the plants well for growing and cover substrate with vermiculite.
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Hint
The cultural recommendations are based on results from trials conducted under Central European conditions. Different conditions in other parts of the world may lead to deviations in results achieved.
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