Update 21 November 2024
BOX TREE CATERPILLER
If they are not treated in October, the existing caterpillars go into hibernation. They become active again in spring when the temperatures rise. Treatment can then be carried out from March/April. Follow our updates. If you have treated in October, there are hardly any caterpillars left and treatment in spring is not necessary.
More info on our page about Box tree caterpiller
BOXWOOD BLIGHT
Winter has begun with the first night frosts and snow. The fungus is now inactive and goes into a kind of hibernation. The next treatment can be done from late spring. Follow our updates.
More info on our page about Boxwood Blight
BOX TREE CATERPILLER
The caterpillars are bright green with a black head. This Asian butterfly can grow as big as 4 cm. There are two generations in Belgium : April/May and August.
BOXWOOD BLIGHT
The investation starts with black spots on the leaf. A few days later the affected leaves will fall down en masse and black stripes appear on the young twigs.