The common trumpet tree (Catalpa bignonioides) originally comes from the warm and sunny south-east of the USA, but has also been cultivated here for some time, primarily as an ornamental tree.
The trumpet tree loves sun
Sunny location with lots of space preferred
The trumpet tree needs a lot of sun and warmth and a wind-protected location. The deciduous tree tolerates direct sunlight and heat without any problems, but it is quite sensitive to frost. Unless you want to plant a small cultivar like the "Nana" trumpet tree, you should also plan plenty of space - the trumpet tree can grow up to 18 meters high and develops a quite spreading crown.
Nutrient-rich, slightly moist soil is ideal
In its homeland, the deciduous tree is mainly found on river banks and meadows. As a result, you should also choose slightly moist, very nutrient-rich soil with a neutral to slightly alkaline pH value in this country.
tips
While both plants share a similar name, the trumpet tree should not be confused with the highly poisonous flowering shrub brugmansia (also known as "angel's trumpet").