Valerian: Detect and combat diseases and pests


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Valerian is by nature a very robust plant that can not harm so quickly. However, if care mistakes creep in, many diseases and pests spread.

Valerian: Detect and combat diseases and pests

Valerian is considered a very robust plant and is comparatively rarely affected by diseases and pests. If the claims regarding the location are not taken into account, the plant can be damaged, which is reflected in stunted growth or blooming laziness.

An attack by aphids can occasionally be observed on the valerian. Likewise occurs the appearance of mildew.

Aphids - easy to recognize, good to fight

Aphids are among the most common plant pests in our latitudes. There is only a limited risk to the plant. If the infestation is detected in time and fought appropriately, the plants usually take no damage.

Recognize:

Anyone who regularly controls their plants will not be struck by aphids. The green, brown or black pests are visible on the plants with the naked eye. Preferably, aphids on the leaves and on the valerian shoots. In addition to the pests themselves, the attentive hobby gardener will also notice a sticky coating that spreads over the infested plant parts. These are so-called honeydew, the excretions of plant pests.

Fight:

Aphids can be well controlled without the use of chemicals. If only a few pests are found, it is usually sufficient to brush the aphids one at a time from the leaves. In outdoor plants, nature often helps itself. In the ladybug, the aphid has a dreaded predator. If ladybugs are placed directly on the plants, the work for the hobby gardener is usually already done.

The treatment with soapy water

A shower with soapy water is an effective remedy for aphids. For this purpose, water is mixed with soft soap. So that the plant does not take damage, should be dispensed with synthetic soap products. One liter of water is added to a tablespoon of soft soap.

" Tip: The effectiveness of the remedy can be intensified by the addition of a little bit of alcohol.

The prepared solution is filled into a spray bottle and applied over a large area. It forms a film on the entire plant. This prevents the pests from breathing and causes them to die. For safety, the treatment can be performed several times.

Fight aphids with stinging nettles

Stinging nettles are much more than weed, they are very good for pest control. From the nettle leaves, a brew is made. Ten parts of water and one part of nettle leaves are used for this purpose. The broth should draw for a few days before it can also be used as an effective spray.

" Tip: During treatment with stinging nettle, the plant should not be exposed to direct sunlight. This would lead to the formation of brown spots on the leaves and flowers of the valerian.

Mildew - the persistent fungal disease

A mildew infestation is relatively uncommon in the valerian. The emergence is favored when the plants hinder each other from growing due to too dense growth or when an oversupply of nutrients prevails.

Recognize:

The powdery mildew is especially common in late summer on the valerian plant. If the days are warm and dry and the nights are already wet and cool, the ideal breeding ground for this "fairy weather mushroom" is created. Mildew can be recognized by white-gray and flour-like deposits on the leaves.

Fight:

The easiest way is to prevent the fungus. Announce warm and dry late summer days, hobby gardeners should grab the garden hose or plant sprayer and spray the valerian plant thoroughly. Powdery mildew occurs only on dry leaves.

Milk against mildew

A mixture of water and milk can become the secret weapon against mildew. For this, eight parts of water and one part of milk are mixed and filled into a spray bottle. The plants are now thoroughly sprayed with it. The solution should remain on the plant for about an hour.

" Tip: So that the milk liquor can not penetrate into the soil, the root area of ​​the plant should be covered with foil.

The treatment should be done several times a week, because it can be quite tedious until the mildew has completely disappeared.

All infected plant parts should be cut back. Valerian tolerates this pruning and will drive out again. Only in particularly severe cases should the complete plants be disposed of.

The advantages and disadvantages of natural pest control on valerian

advantages
✔ A natural pest control protects the environment and preserves the plant.
✔ No corresponding preparations need to be purchased.
✔ The ingredients are inexpensive and available in every household.

disadvantage
✖ Usually several treatments are necessary.
✖ In the case of particularly stubborn infestation, it may happen that the remedies are insufficient and the plant must be disposed of.
✖ There is a certain amount of work involved in producing appropriate pesticides.

Avoid care mistakes

If the care instructions for valerian are observed, it will know to thank the plant with healthy growth. Kränkelnder valerian, however, suggests various care mistakes:

  • The location is too humid or too dry (depending on Valerian species).
  • It is poured too much or too little.
  • The soil is overfertilized.
  • The substrate is not permeable enough.
  • Container plants are not adequately protected in winter.

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