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L7520 - ECHINOPS RITRO, GLOBE THISTLE
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'Echinops ritro'
Violet, best used as a solitary plant and in front of taller shrubs, hedges or walls, Bie.
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TECHNICAL INFORMATION |
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| Life Cycle: | |
Perennial
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| Familiy, Origin: | |
Asteraceae, East- and South Europe, Russia
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| Sitelocation: | |
Full sun
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| Garden Height: | |
150 cm
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59,06 inch
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| Natural flowertime: | |
July - August
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| Crop Time: | |
Plug crop: 6 weeks; Green pots: 11-13 weeks; Flowering pots: 20-25 weeks, annual production is possible; Flowering pots: 12-14 months, including wintering; Cut flower production: 3-4 years
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| Sell Period: | |
non-blooming plants March-October, blooming plants March-August
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| Seed Form: | |
Raw Seed
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| Seed Count: | |
69 K/g
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| Sowing Time: | |
January-April for flowering in pots from July onwards; June-August for flowering in pots the following year; Outdoor forcing: April-May (frost free)
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| Sowing Method: | |
1 seed per plug, tap rooted, sowing (15 g/ 100 m²) directly into fields or pots is recommended
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| Germination: | |
14-20 days at 18-22 °C, in media with low soluble salt levels and pH: 5.8-7.0. Requires light for germination. Do not cover seed. Keep soil slightly moist but not wet.
Avoid direct sunlight by shading seeds after sowing. In the field sowings need to be covered by fleece or foil to avoid drying out.
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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 15-18 °C. Do not let soluble salt level rise above 0,75 EC. Start fertilization at 75 ppm nitrogen in a well balanced formula. During Stage III and Stage IV fertilization levels can be increased to 150 ppm.
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| Growing On: | |
4-5 weeks after sowing transplant 1 plant into a pot (7-10 cm) and 2-3 plants into a bigger pot (11-15 cm) or into container (3-5 l). For full flowering with an annual cultivation transplant several plants into one pot, because more flowers per pot are obtained. Plant cut flowers in 30-40-x 30-40 cm space.
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| Media: | |
Use a well-drained, growing perennial substrate with 0-15 % clay, 0-20 % parts (e.g. bark, wood fibres, sand), 1-1,5 kg/m³ complete balanced fertilizer, 2-3 kg/m³ slow release fertilizer (3-9 months), iron-chelate, micronutrients, pH: 5.8-7.0. Field: humus, loamy, sandy soils, calcareous with a good drainage. Standard fertilization: 50-60 g/m² slow release fertilizer and 50-70 g/m² potassium-magnesium fertilizer.
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| Photoperiod / Light: | |
Long day plant. The long day supports the flower initiation. In winter additional assimilation light is required for cut flower production.
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| Temperature: | |
Grow at 12-15 °C or outdoors. In winter indoors frost free at 3-5 °C or outdoors. Outdoor fleece cover needed. For wintering the root development in pots should be very good. In early spring (from CW 51 earliest) the plants start to grow for 14-16 weeks at 15-18 °C. Cold temperatures at 8-15 °C will increase the cultivation time. A chilling period (vernalization) for flower initiation is not required.
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| Fertilization: | |
Moderate-high fertilization levels are required. Fertilize the crop weekly with 80-100 ppm nitrogen (at 3 kg/m³ slow release fertilizer in substrate), using a complete balanced fertilizer. Avoid high nitrogen levels. Don't fertilize after mid September. In spring fertilize with 60-80 ppm nitrogen using a complete balanced fertilizer. Prevent magnesium deficiency by applying magnesium sulphate (0,025 %) 1-2 times and in case of iron deficiency apply iron-chelate for 1-2 times. Field: If necessary according to analysis, improve the soil with 50-60 g/m² of a slow release fertilizer and 50-60 g/m² of a potassium-magnesium fertilizer per year, applied in several portions.
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| Cut Flowers: | |
Cut flower stems can be harvested, when 70 % of the flowers are open. Remove the bottom leaves. Vase life: 15-20 days. Cold storage is possible. Dried flower production is possible. Stability of the dried flower: 6 months.
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| Cultural Hints: | |
Echinops have very low water demand. Short time wetness can cause rotting of roots.
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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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