Knapweed – tips for cultivation, care and use

Knapweed - tips for cultivation, care and use

There are almost 500 different types of knapweed. In this article you will learn how to properly cultivate and care for the perennial plant.

The knapweed is native to Europe, the Middle East and the Mediterranean. The cornflower, one of its most famous species, often grows on the edge of grain fields in summer. You can also buy perennial, hardy varieties such as mountain knapweed and annual plants from gardening stores. With them you can do both natural garden as well as one rockery plant.

With organic fertilizer, you can feed your plants naturally. You can read more about this in this article.

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How to grow the knapweed

The knapweed is available in many different varieties, the cornflower is the best known. (Photo: CC0 / Pixabay / freestocks-photos)

In the garden center you often get the knapweed as a young plant. You can also use the perennial as a seeds buy and pull yourself. In order for the plant to thrive, you should note the following:

  • Knapweed sow: The best way to sow the seeds of knapweed is under glass in February or March. To do this, fill some potting soil into a small pot and press the seeds lightly into the soil without covering them completely. Finally, put a glass bell over the pot. The young plants, whether bought or from seeds pulled, ideally you put it in the bed in late April.
  • The right location: The knapweed needs a sunny location to sprout as many flowers as possible. For example, you can do it well in one cottage garden plant with lupins and straw flowers.
  • The right floor: Choose one Location with a fine-crumbly and well-drained soil, so that the knapweed feels comfortable. It also needs a lot of nutrients, which is why you need the earth with something humus should loosen up.
  • Planting knapweeds: Soak the root balls of the potted seedlings with water first. Then you can put them in small pits 30 to 40 centimeters apart. Ideally, you enrich the earth with something compost or Horn chips on. Don’t forget to water the plant and finish off with a layer of mulch autumn leaves spread over them.

Proper care of the knapweed

The knapweed is a very easy-care plant that likes to be moist and sunny. (Photo: CC0 / Pixabay / Greendragon-Gecko)

The knapweed is ideal for beginners as it little maintenance needed. As long as you have chosen a good location for the plant, you will have few problems with it. However, you should note some care instructions:

  • To water: The knapweed does not like long periods of drought. As soon as the top layer of earth has dried, you should provide the plant with sufficient water. It’s best to use for that rainwater. Also make sure that you only water the root area so that the delicate flowers are not disturbed.
  • Fertilize: From May to July, the knapweed embellishes your garden with its flowers. In return, it regularly needs additional nutrients during this time. It is best to fertilize them every four weeks with compost or nettle liquid manure.
  • To cut: You should always cut off wilted inflorescences so that the knapweed sprouts again. When the plant has finished flowering, you can prune it back to just above the ground. So you can enjoy a blooming in late summer.
  • multiply: If the knapweed has grown well, you can propagate it in two different ways. In spring or autumn, for example, you can split the root ball with a spade and re-plant the sections. Or you collect the seeds from the inflorescences in autumn and plant them under glass in February.
  • Pests and diseases: Knapweeds rarely suffer from pests. In damp weather, however, they can be from mildew be attacked. It is best to cut off the damaged plant parts directly so that the knapweed can sprout new flowers.

Use of knapweed

Some types of knapweed, such as meadow knapweed, are also used as kitchen decorations. (Photo: CC0 / Pixabay / pictavio)

  • Garden Planting: The knapweed has a very natural growth. That’s why it works best in natural gardens. Depending on the location, you can combine them well with chamomile, iris, steppe sage or bergenia.
  • Cut flower: The knapweed is also suitable for a bouquet because its flowers in the vase last a very long time. You should be able to enjoy them for at least three weeks. It’s best to cut the flowers in the morning and before they bloom.
  • Decoration for salads and co .: Especially the flowers of the meadow knapweed can be used as a decoration in the kitchen salads and use soups. The flowers, shoot tips and leaves of this knapweed species are edible, have a rather bitter taste, however.
  • Food for bees: Some species such as the meadow knapweed are very popular with bumblebees and bees. So if you add a few to your garden bee-friendly plants want to expand, the meadow knapweed is particularly suitable.

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