Viola Back to Black Seeds - 145 Flower Seed Dramatic jet-black blooms smother bushy free-flowering plants over a long flowering period. Ideal for baskets, patio containers or spring, summer & autumn bedding displays. Height 15cm (6). Perennial. Start indoors January-March, then plant out 10-12 weeks after. Even though the seeds are tiny, they need to be sown 5mm () deep. Keep the soil at 18-25oC (65-75oF), in complete darkness until they germinate in around 14 days. Then provide bright light to keep plants compact. Space at 15-23cm (6-9) in the garden. Viola Back To Black Seeds - 145 Flower Seed
