Black lice on flowers

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Black lice on flowers not only look ugly, they also destroy the splendor of flowers in a short time. You can still sell them.

Fun facts about black aphids on flowers

Black aphids destroy the flowers in your garden by sucking the sap from the plants. The plants then lack the nutrients to supply leaves and flowers. The leaves turn brown and curl up and the flowers fall off.

After the pests have digested the sap, they secrete a sugar solution, the honeydew. The honeydew is very sticky and difficult to remove from patio furniture. The honeydew of black aphids is particularly difficult to get off the paintwork of your car.

Most of the time they attack lice Plants that are in the wrong location or have a poor substrate. In addition, nitrogen over-fertilization most often leads to lice infestation, because it weakens the protective mechanisms of the plant. You can do something against aphids and carefully drive away the black creatures.

How to fight the lice 

You can easily remove the black aphids on the leaves of your plant with nettle stock. For this you need nettles, water, a spray bottle, washing-up liquid and cling film.

  1. Water the nettles. Put one hundred grams of dried nettle leaves in a heat-resistant container and pour a liter of hot water over the leaves.
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  2. Let the brew steep. Set the jar aside and wait for the broth to start to smell unpleasant. It takes about three days.
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  3. Fill the brew. Pour the nettle stock through a sieve and fill the stock into a spray bottle.
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  4. Attach cling film. Place a strip of cling film around the base of the stem of your flowers tightly around the plant stem, close to the ground.
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  5. Cover earth. Put enough cling film all around that the soil of your lice-infested flowers is well covered.
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  6. Apply the second layer. In addition, put a second layer of foil on top.
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  7. Spray plants. Thoroughly spray the aphid-infested flowering plants with the nettle stock. Wait thirty minutes and then spray the flowers again.
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  8. Fill up with water. Now fill the spray bottle with a little water and add a drop of detergent concentrate to it.
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  9. Spray the plant again. Spray your flowers with the anti-aphid agent on the stems and undersides of the leaves.
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After thirty minutes you can carefully remove the foil from the potting soil. Make sure that no liquid gets into the soil of your flowering plants. If you have not got rid of the black lice after the first treatment, repeat the procedure.

Preventing Aphid Infestation - Tips

  • Natural enemies of the aphid settle, for example Ladybug, Lacewings or earwigs.
  • Regularly shower infested plants with water.
  • This will wash off the black aphids and increase the humidity.
  • Remove dead leaves and cut them cleanly, as aphids overwinter on wood and plant remains.

Black aphids are a real nuisance for you and your plants. Therefore, you should remove the pests early and gently. This works best with nettle stock and a follow-up treatment with a mixture of water and washing-up liquid.

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