The perfect perennial catmint: low maintenance, drought tolerant, deer resistant and long blooming. This improved selection has a tidy, densely mounding habit that stays nice all season. Periwinkle blue flowers bloom for months. Attracts Butterflies, Low Maintenance, Deer Resistant, Drought Tolerant, Rabbit Resistant, Fragrant Flowers, Scented Foliage, Heat Tolerant, Attracts Bees. Photo courtesy of Ball Seed.