Cat's Meow Catmint (Nepeta) Live Plant, Blue-Purple Flowers, 4.5 in. Quart Cat's Meow from Proven Winners grows into a broad, dense, and colorful mound of blue-purple flowers that bloom from late spring to mid-summer. Prefers full sun (6+hours) and well drained soil of low to average moisture.Grows to be 12-18 inchestall and wide. At time of shipment, this plant will be about6 months to 1year old. Blooms from late spring through mid summer. Quart perennials are 5-10 inches tall when they are shipped, depending on the season. Hardiness zones: 3-8. Be sure to check your USDA Hardiness Zone if you want this plant to come back year after year. Hand-picked by experienced shippers and delivered fresh from the greenhouse in a 4.5 in. quart container. Proven Winners guarantees all of its plants are correctly packaged in specially designed boxes, arrive in good condition and are accurately labeled. This catmint is great in landscapes or containers. To introduce the most unique, highest quality plants, Proven Winners are tested for years in gardens across the world. Our plants are unsurpassed in terms of flowering, growth and garden performance.