Known As Calla Lilies These Decorative Plants Are Spectacular In Patio Pots Or Used As Summer Bedding. With Their Bright Colours & Interesting Flower Shape These Tuberous Plants Look Fabulous In Pots On The Patioplant The Tubers 10cm/4in Deep Into Fertile Reliably Moist Soil Or Moisture Retentive Potting Compost.after Care the Fleshy Tubers Will Need Frost Protection To Keep Them Through Winter. Cover With A Dry Mulch & Bring Pots Under Cover Through Winter.