Iris 'Black Swan'

Try to plant in a location that enjoys full sun and remember to water moderately. Keep in mind when planting that Black Swan is thought of as very hardy, so this plant will tend to survive through freezing conditions. Black Swan requires a soil ph of 6.1 - 7.8 meaning it does best in weakly acidic soil - weakly alkaline soil.

Try to aim for a seed spacing of at least 1.19 inches (3.05 cm) and sow at a depth of around 0.99 inches (2.55 cm).

Ensure that temperatures are mild and all chance of frost has passed before planting out, as Black Swan is a very hardy plant.