Minnie Royal is generally regarded as a hardy plant, so this plant will survive close to or on freezing temperatures. Minnie Royal needs a soil ph of 6.5 to 7.8 (weakly acidic soil - weakly alkaline soil).
Growing Minnie Royal from seed
Transplanting Minnie Royal
Minnie Royal is hardy, so ensure you wait until all danger of frost has passed in your area before considering planting outside.