Radermachera sinica cultivars.
There are a number of hybrids and cultivars but there seems to be no consistency to the
naming of these among various nurseries.
Many are marketed as growing to 3 m high but in suitable conditions outdoors would probably be larger.
Most have white flowers with a yellow throat and others are pale pink.
R. sinica is seen marketed as R. ‘Summerscent’ or ‘Summerscent Asian Bell’.
Radermachera ‘Kunming’ is also marketed as ‘Summerscent’ in S. E. Queensland.
Radermachera gigantea is another one seen as ‘Summerscent’.