The Nepeta species are very hardy plants, including varieties, there are few problems with diseases and increased pest infestation. The Catnip is to prevent planting of roses there, an infestation with aphids (BOWN, 1995). The essential oils act as a deterrent to animal pathogens, most already mentioned example of the mosquito defense proved. A lice infestation is to lead with black only at very low plant damage. In an attack by powdery mildew can cause damage to the leaves (BOWN, 1995). However, an infestation with powdery mildew is relatively rare, especially when the plants are cut back after first bloom.
See Also: sending flowers, online florist