250 Seeds Cats love the scent Cats adore the scent of this plant but beware they will frequently roll and lay on the plants in the border. The leaves can also be dried to make catnip toys for your pet. Flowers the first year if sown early. Height: 70cm/28in Plant Class: Hardy Perennial (HP). Habit: Bushy, Medium. Sow indoors, January-April, to flower the same year, 0.5cm (?") deep, in a tray of compost. A temperature of 15-20?C (60-68?F) is ideal. Keep moist. Seedlings usually appear in 14-21 days. Transplant them 5cm (2") apart, to other trays when large enough to handle. Gradually accustom young plants to outside conditions (avoid frosts), before planting out into well-drained soil, May-June, 30cm (1') apart, when frosts are over. Or, sow outdoors, April-June, to flower the following year, in a seed bed, 0.5cm (?") deep, into finely-prepared, well-drained soil, which has already been watered. Thin seedlings to 5cm (2") apart, before planting out to flowering position in autumn, spacing 30cm (1') apart. Flowers: June-September. Some cats are unaffected by catmint, whilst others become very excited. It is best to supervise play with catmint toys.