White shaded Pink colour and usually flowers during Spring and early Summer Height 60cm. Calanthe discolor is a species of orchid and a semi-hardy terrestrial orchid that grows from pseudobulbs. The flowers first open at the base of the growing stem and continues upwards in progression. Planting 1. Use of compost rich in humus and pine bark is recommended. 2. Suitable for growing in pots with well-drained substrate. Over retention of water could lead to rotting. 3. Calanthe are semi-rustic and can withstand a minimal temperature of -10Â°C, However, in regions with harsh winters, it is advised to shelter them from frosting. 4.Shades or wind sheltered site out of direct sunlight.