Cucumbers unfortunately suffer from a variety of pests and diseases. Aphids, pickle worms, mites, and cucumber beetles are common pests tp be seen in the garden. Diseases needed to look out for are anthracnose, powdery mildew, downy mildew, bacterial wilt, and angular leaf spot.
The cucumber beetle is a particularly nasty pest that attacks plants early and also spreads bacterial wilt. Look for this pest as seedlings emerge. Also look for signs of bacterial wilt early on. Plants infected with bacterial wilt will droop and eventually die.
It is a recommend to use a natural pest control method to treat problems with your cucumbers. If you use chemical pesticides, you may be harming the bees that will fertilize your vines. Chemical pesticides can also harm other beneficial insects and soil organisms.
