Aphid infestation, powdered mildew or overgrowth may cause problems to honeysuckle flower. Insecticidal soap can be used to treat aphids and powdery mildew can be avoided through adequate air circulation and preventing the use of overhead water. There are other types that go invasive and therefore pruning is necessary. Poor quality soil, which is either too wet or does not get sufficient sunlight can inhibit flowering. A proper selection of the correct type to fit your climate, correct spacing and regular care regime will guarantee healthy vines with lots of flowers and the filled with sweet smell that gardeners dream of.