Update 1 October 2024
BOX TREE CATERPILLER
The flight of boxwood moths is done and the eggs are hatching. These small caterpillars do not do much damage but control is advisable and is best carried out in the first half of October. If these young caterpillars are dealt with now, pest pressure in spring will be minimal. Carry out treatment in dry weather.
More info on our page about Box tree caterpiller
BOXWOOD BLIGHT
Traditionally, autumn brings wetter plants due to dew during the night. Temperatures have also been quite high so infection pressure is not over yet . It is appropriate to treat now to prevent further damage. It is best to alternate products to avoid resistance. From the first frost, the buxus fungus is no longer or much less active and treatment is not necessary.
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.