Keep in mind when planting that Macdonald is thought of as hardy, so this plant will survive close to or on freezing temperatures. Try to keep the ph of your soil between the range of 6.0 and 6.8 as Macdonald likes to be in weakly acidic soil.
Ensure that temperatures are mild and all chance of frost has passed before planting out, as Macdonald is a hardy plant.
Mcdonald, Mc donald, Mac donald