Ornamental asparagus: Detect and combat diseases and pests


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Although ornamental asparagus is relatively undemanding and therefore also suitable for beginners, the houseplant is not immune to all diseases and pests. Especially spider mites and scale insects make it difficult.

Ornamental asparagus: detect and combat diseases and pests

Most of the alleged diseases of ornamental asparagus (Asparagus densiflorus) are due to easy-to-repair care mistakes. This means that if you act quickly and fix the care mistakes, then the plant recovers quite quickly. That is why the ornamental asparagus is particularly suitable for beginners who have not been able to gather so much experience in dealing with plants.

Often, however, the plant has no care errors and yet it looks different than usual. Then it may be that spider mites or scale insects on the plant make wide. Then it is time to act quickly to save the plant.

Avoid frequent care mistakes

Discoloration of the leaves

If the sparkling leaves of the ornamental asparagus turn yellow and gradually start to fall off, dryness or lack of nutrients are most likely responsible. To correct the problem:

  • In the future, spruce the ornamental asparagus stronger
  • Turn ornamental asparagus into nutrient-rich substrate
  • Regularly supply ornamental asparagus with commercial green plant fertilizer

Shoots without leaves

If your ornamental asparagus forms overlong shoots without leaves, the plant is too dark. Just bring the ornamental asparagus to a lighter location and the growth of these light impulses stops.

Recognize and fight spider mites

An infestation with spider mites occurs relatively often in ornamental asparagus. The presence of the spider mites on fine, white webs can be seen. The pests themselves are between half a and one millimeter long, have eight legs and may be greenish, orange or brownish in color. The eyes are visible under a strong magnifying glass as red dots.

Spider mites need a warm, dry environment to feel comfortable. Choose a slightly cooler location for your ornamental asparagus and sprinkle the sparkplugs regularly with water. In case of heavy infestation, proceed as follows:

  • Set the asparagus angel in the shower tray
  • gently barking from all sides
  • dripping wet plant with plastic bag
  • Close the plastic bag with string and leave the asparagus angel "bagged" for one day
  • Repeat this process several days apart, if necessary

Recognize and combat scale insects

Scale insects leave sticky excretions. The substance is colorless or whitish-transparent. Examine your ornamental asparagus thoroughly if you notice such a deposit on the plant or in the immediate vicinity. They recognize the animals on the curved carcass, which are mostly of green or brown color. Scale insects should be fought quickly because of their strong Propensity. If not treated, the leaves will cripple in a relatively short time.

For example, ladybugs, lacewings, gall bladders and parasitic wasps can be selected as biological allies against scale insects. Their use, however, makes sense only in closed rooms. In the garden, the beneficials find too much other food. Single scale insects in the early stage of infestation can be collected with the tweezers. In the case of chemical control, agents that are absorbed first by the plant and then by the scale insects are systemically active.

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