Catnip is a hardy herb, and catnip problems are usually fairly easy to figure out. If you’re dealing with catnip issues, read on and we’ll troubleshoot a few of the most common problems with catnip plants. Problems with Catnip Here are some of more common catnip problems and how to solve them: Cats – Most cats love catnip and they are frequently to blame for catnip plants not thriving. If this is the case, you can cat-proof the plant by surrounding it with wire fencing. Be sure the holes are small enough that kitty can’t reach through and grab the leaves. An old birdcage makes a decorative enclosure for a catnip plant. Insects – Catnip may be affected by pests such as aphids, spider mites, thrips, whiteflies or flea beetles. The best way to prevent pests is to water and fertilize properly (Don’t overdo either one.). Insecticidal soap spray is