Try to plant in a location that enjoys full sun and remember to water moderately. Keep in mind when planting that Robustus is thought of as hardy, so this plant will survive close to or on freezing temperatures. Planting Robustus in loamy soil with a ph of between 6.6 and 7.8 is ideal for as it does best in weakly acidic soil to weakly alkaline soil.
Growing Robustus from seed
Transplanting Robustus
As Robustus is hardy, ensure temperatures are mild enough to plant out - wait until after your last frost date to be on the safe side.