Home Gardening Tropicanna Black in Todd Holloway container garden \t\tECHO COLORS: This container garden by Todd Holloway features echoes of black throughout: (1) Tropicanna Black cannas, (2) Colocasia esculenta Black Magic, (3) Aeonium Zwartkop, (4) Rudbeckia fulgida var. sullivantii Goldsturm, (5) Plectranthus Lemon Twist, (6) Ipomoea Sweet Caroline Purple, (7) Calibrachoa Callie Orange, (8) Ipomoea Sweetheart Purple and (9) Coleus Sky Fire. (Photo Credit: Todd Holloway/www.potinc.ca)