Iochroma 'Royal queen purple'

Keep in mind when planting that Royal queen purple is thought of as tender, so remember to wait until your soil is warm and the night time temperature is well above freezing before moving outside. A soil ph of between 6.1 and 6.5 is ideal for Royal queen purple as it does best in weakly acidic soil.

As Royal queen purple is tender, ensure temperatures are mild enough to plant out - wait until after your last frost date to be on the safe side.