golden calla

Use as summer bedding, planting in a moist, humus-rich, but well-drained soil in full sun. Lift and store overwinter in trays of compost in a cool, frost-free garage or shed and plant out tubers in spring after risk of frost has passed. Alternatively, grow in containers of loam-based JI No2 potting compost and overwinter in a greenhouse or conservatory. See Zantedeschia cultivation

Deadhead flowers and cut down yellowing foliage at the end of the season

Propagate by division in spring or propagate by seed, at 21-27°C (70-81°F) when ripe but flowers may not appear for 2 or 3 years.

May be affected by aphids or thrips; glasshouse red spider mite or glasshouse whitefly may be troublesome under glass

Susceptible to fungal and bacterial rots and a virus