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W4260 - TITHONIA ROTUNDIFOLIA, MEXICAN SUNFLOWER, TITHONIA
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'Fiesta Del Sol'
Glowing orange flowers, compact habit. Ideal for containers and borders, attractive summer flowering pot item.
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TECHNICAL INFORMATION |
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| Life Cycle: | |
Annual
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| Familiy, Origin: | |
Asteraceae, Mexico
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| Sitelocation: | |
Full sun - partial shade
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| Garden Height: | |
75 cm
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29,53 inch
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| Flower Size: | |
7 cm
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2,76 inch
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| Natural flowertime: | |
June - October
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| Crop Time: | |
Plug crop: 6-8 weeks; Flowering pots: 12-15 weeks
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| Sell Period: | |
May-August
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| Seed Form: | |
Raw Seed
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| Seed Count: | |
182 K/g
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| Sowing Time: | |
February-May
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| Sowing Method: | |
1-3 seeds per plug
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| Germination: | |
5-8 days at 18-22 °C, in media with low soluble salt levels and pH: 5.8-6.5. 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 moisture, but the plug should not dry out and reduce the temperature to 17-18 °C. Do not let soluble salt level rise above 0,5 EC. Start fertilization at 50 ppm nitrogen in a well balanced formula. During Stage III and Stage IV fertilization levels can be increased up to 100-150 ppm.
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| Growing On: | |
4-6 weeks after sowing transplant 1-2 plants into a pot (10-13 cm) and 3-4 plants into a bigger pot (14-15 cm) or into a container (3-5 l).
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| Media: | |
Use a well-drained, growing substrate with 20-30 % clay, 1-1,5 kg/m³ of a complete balanced fertilizer, iron-chelate, micronutrients, pH: 5.8-6.5.
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| Temperature: | |
Grow at 12-15 °C. Tithonia does not tolerate temperatures below 10 °C, even for short time and this can cause for red-brown or yellow leaves. Tithonia does tolerate high temperatures.
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| Fertilization: | |
Low-moderate fertilization levels are required. Fertilize the crop weekly with 100-150 ppm nitrogen, using a complete balanced fertilizer. Avoid high ammonium and high nitrogen levels.
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| Cultural Hints: | |
Cultivate bright, cold and airy. Tithonia is sensitive to over watering (rotting of roots). Remove the faded flowers and avoid that seeds are formed for a better following flowering. Tithonia needs warm locations and it is extremely heat and drought tolerant.
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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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