Iris 'Ultimate'

Try to plant in a location that enjoys full sun and remember to water moderately. Keep in mind when planting that Ultimate is thought of as very hardy, so this plant will survive though longer winters with little or no damage. Ultimate requires a soil ph of 6.1 - 7.8 meaning it does best in weakly acidic soil - weakly alkaline soil.

Look to ensure a distance 1.19 inches (3.05 cm) between seeds when sowing - bury at a depth of at least 0.99 inches (2.55 cm) deep.

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