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Don’t replace your box hedge. Buy these two products and bring them back to life yourself!

  1. TopBoxus Xentari insecticide.  (You can’t buy this from Amazon UK anymore but Amazon Germany ships to the UK now and you can use your Amazon UK account)
  2. Buxus fertilizer
  3. …that’s all!

You can remove the caterpillars yourself, it just takes a bit of time and effort.

These are the detailed steps. All links direct to Amazon.

  1. [Day 1] Spray the box hedge with your hose trying to remove as many caterpillars and their webs as possible. Get deep into the hedge.
  2. [Day 1] Spray the box hedge with TopBoxus Xentari insecticide. I recommend using a 2L sprayer like this to save your hands
  3. [Day 1] Give the box hedge some food, use Buxus fertilizer
  4. [days in between] Water well!
  5. [Day 7] Give the box hedge some food, use Buxus fertilizer
  6. [Day 14] Spray the box hedge with your hose trying to remove as many caterpillars and their webs as possible. Get deep into the hedge.
  7. [Day 14] Spray the box hedge with TopBoxus Xentari insectaside. I recommend using a 2L sprayer like this to save your hands
  8. [Day 14] Give the box hedge some food, use Buxus fertilizer

In my experience 2 weeks after you first treat the hedge you’ll still small green shoots coming up.

4 weeks after you first treat the hedge you’ll see many more green leaves

8 weeks after you first treat the hedge it will be back to usual!

Why can’t I buy the insecticide in the UK? I don’t know, however Amazon will sell and ship it to you from Germany.

All about Box Tree Caterpillar

These little critters came from China in the 1900s but they have spread rapidly.

The lifecycle lasts about 45 days. First eggs are laid on the underside of leaves and they are a yellow greeny colour. After they hatch the caterpillars develop large black heads and spots. It takes about 2 weeks to become an adult Caterpillar and they live for about 2 weeks.

After 2 weeks they form a cocoon in white webbing spun around the leaves and it takes a week for them to transform into a moth.