Plant the trumpet tree after the ice saints
Usually the Trumpet tree delivered as already well-rooted container goods, which in principle can be planted throughout the entire growing season. Especially since young, freshly planted trees are very good need a lot of water and are also quite sensitive to heat and the associated drought, the recommended planting time is either late spring (i.e. H. if no more frosty nights are to be expected) or early autumn. Both times give the young trumpet tree enough time to see until next winter at the new location rooting without being exposed to a particular stressful situation due to extreme heat.
Don't forget to water regularly!
Especially if you have the Plant the trumpet tree in spring, you should water it regularly and vigorously - especially in hot and dry periods.
Tips
Before planting, immerse the root ball in a bucket of water and let the roots soak in the damp water.