Courgettes, Squash and Pumpkins have giant leaves, which unfortunately makes them vulnerable to a range of leaf diseases. If leaf symptoms are spotted early, you might be able to save the plant. Quick Signs to Look for: Yellowing leaves – round the edges or all over the leaves, White powdery spots – it looks like talcum powder, Brown or Black spots on leaves, Leaf stems wilting or bending over despite watering, Curling leaves. Here’s some of the Leaf Diseases that I’ve had this year: 1.Yellowing Leaves Yellow edged leaves on a Pumpkin plant Yellowing leaves range from yellowing around the edges to covering all of the leafs surface area. Causes of Yellowing Leaves This is a tricky one as it could be a number of things like overwatering, but if you are watering regularly and you haven’t got any of the other leaf diseases, it is most likely to be a Nutrient deficiency. Courgette, Pumpkin and Squashes are heavy feeders and need a constant supply of nutrients. Adding ...
