Try to plant in a location that enjoys partial sun and remember to apply water fairly sparingly. Keep in mind when planting that Trumpet jade is thought of as half hardy, so although it can survive a small mild cold snap, it is wise to ensure that this plant is protected from frost damage.
Growing Trumpet jade from seed
Transplanting Trumpet jade
As Trumpet jade is half hardy, ensure temperatures are mild enough to plant out - wait until after your last frost date to be on the safe side.