Japanese rose 'Simplex'

Keep in mind when planting that Simplex is thought of as very hardy, so this plant will tend to go dormant over the long winter months. Planting Simplex in loamy soil with a ph of between 6.1 and 7.5 is ideal for as it does best in weakly acidic soil to weakly alkaline soil.

As Simplex is very hardy, ensure temperatures are mild enough to plant out - wait until after your last frost date to be on the safe side.