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Arnica plants prefer full sun, poor locations such as former bog areas or poor meadows. The soil should be sandy and well-drained and have an acidic pH. Arnica is very sensitive to a high lime content. Therefore, the substrate should be acidified with peat, needles, grape pomace, bark humus, or acidic primary rock flour.<\/p>\n
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Planting arnica in the bed<\/strong> :<\/p>\n\n- A nutrient-poor, loose soil, mixed with sand (mixing ratio 1: 1) is suitable as a substrate. Due to the high air capacity of this earth, arnica also thrives very well in too firm and dense garden soils<\/li>\n
- For acidification, some needle litter, bark humus, or grape marc should be mixed in<\/li>\n
- Plant spacing: 25 cm<\/li>\n<\/ul>\n
Planting arnica in a pot<\/strong> :<\/p>\n\n- A balanced, peat-free potting soil is suitable as a substrate, which should be mixed with sand for the arnica (mixing ratio 1: 1). A slightly more nutrient-rich soil is required in the pot, as otherwise, the arnica will not have a nutrient depot available<\/li>\n
- Needle litter, bark humus, or grape marc are suitable for lowering the pH of the substrate<\/li>\n
- Pot size: At least 30 cm in diameter and just as deep<\/li>\n<\/ul>\n
<\/span>Propagate arnica<\/span><\/h3>\nAfter flowering, the seeds of real arnica develop. These are equipped with small umbrellas. If the perennial finds the right germination conditions in the garden, it will spread by itself through its seeds. If you want to better control the propagation, you can also harvest the arnica seeds and then sow them in the desired location in the garden or in a pot on the balcony or terrace. Since the seeds are very light, they should be pressed down well. The real arnica is one of the light germs, which is why you should only cover it with a very thin layer or, preferably, not at all with the substrate.<\/p>\n
As an alternative to direct sowing outdoors, which is possible from the end of March to mid-May, young plants can also be grown indoors from February. Seed compost is suitable as a substrate. This should be acidified and mixed with sand to ensure a low pH and good permeability. Fill some growing containers with the germination substrate and distribute the seeds on them.<\/p>\n