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V0731 - SALVIA PATENS, BLUE-FLOWERED -, SPREADING BLUE -, GENTIAN SAGE
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'Blue Angel'
Dazzling ultramarine colour and graceful character with 6 cm tubular flowers along long spikes. Summer long colour in flower beds, pots and patio planters in sunny and warm locations from July until the first frost.
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TECHNICAL INFORMATION |
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| Life Cycle: | |
Annual
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| Familiy, Origin: | |
Lamiaceae, America
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| Sitelocation: | |
Full sun - partial shade
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| Garden Height: | |
65 cm
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25,59 inch
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| Flower Size: | |
6 cm
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2,36 inch
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| Crop Time: | |
Plug crop: 7-8 weeks; Flowering pots: 12-16 weeks
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| Seed Form: | |
Raw Seed
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| Seed Count: | |
140 K/g
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| Sowing Time: | |
January-March for flowering in pots from April onwards; June for flowering in pots from end August onwards
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| Sowing Method: | |
2-3 seeds per plug, sowing directly into final pot is recommended
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| Germination: | |
4-7 days at 20-22 °C, in media with very low soluble salt levels and pH: 5.5-6.5. Requires light for germination. Do not cover seeds. Keep soil slightly moist but not wet.
Avoid direct sunlight by shading seeds after sowing.
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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 17-20 °C. Do not let soluble salt level rise above 0,5 EC. The roots are sensitive to high salt levels in substrates. Start fertilization at 50 ppm nitrogen in a well balanced formula. During Stage III and Stage IV fertilization levels can be increased to 150-200 ppm.
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| Growing On: | |
4-6 weeks after sowing transplant 1 plant into a pot (10-15 cm) and 3 plants into a container (3-5 l). For flowering pot production ensure good pot size, to encourage root growth, thus improving plant quality.
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| Media: | |
Use a well-drained, growing perennial substrate with 0-15 % clay, 0-15 % parts (e. g. bark, wood fibres, perlite), 1-3 kg/m³ complete balanced fertilizer, 0-2 kg/m³ slow release fertilizer (3-6 months), iron-chelate, micronutrients, pH: 5.5-6.5.
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| Temperature: | |
Grow at 14-16 °C. When the buds are visible, the temperature should be decreased to 12-14 °C. Keep cold temperatures for a compact plant habit.
S. patens does not tolerate frost. Wintering in conservatory or cold greenhouse at 5 °C is possible.
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| Fertilization: | |
Moderate-high fertilization levels are required. Fertilize the crop weekly with 150-200 ppm nitrogen (at 0 kg/m³ slow release fertilizer in substrate), using a complete balanced fertilizer. Avoid high ammonium and high nitrogen levels. 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 1-2 times. Wetness and cold temperatures in substrate are a cause for iron deficiency. 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: | |
Moist, light and airy cultivation. Avoid drought stress, because this can promote yellow leaves. Hardy in very mild locations only, this tender perennial loves a warm situation in full sun and well-drained garden soils.
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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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