Cats go crazy for this easy-to-grow plant. Start catnip seeds early indoors or so directly outdoors after danger of frost. Store fresh catnip in the refrigerator for a few days, or dry leaves to sew into cat toys. You can also use leaves to make soothing tea for yourself. Loved by gardens and trusted by gardeners, Burpee© has been introducing fresh garden breakthroughs since 1876. Burpee offers only the highest quality, non-GMO seeds, hand-picked by expert horticulturalists to thrive in your home garden.