Different appearance

This is the most intuitive difference between them

The first is the difference of their overall shape. The shape of the first plant is relatively small, the branches and leaves are very small, the branches are relatively dense, and its crown is plump and neat; The second plant is not. It is very tall and can grow to two to three meters. It is very strong

Then there is the shape of their leaves. The first kind of leaves are generally smaller and arranged more closely; The leaf area of the second type is relatively large and long

The other is the difference between the two flowers. Generally speaking, the flowers of Rhododendron are rich in color, ranging from rose red to bright red. It usually blooms from the middle and late May to the middle of June; The flowers of summer cuckoo are very large and single petaled, showing a wide funnel shape. There are few double petals, and there are many colors, such as red, pink, purple, white, etc. the colors are relatively more diverse. In addition, for time, the latter may bloom a little later

Different sources

That is to say, their origin is different. The first plant belongs to Japanese Rhododendron, and the second belongs to Chinese Rhododendron

Different origin

Here we mainly talk about their distribution in the planting areas of our country. Generally speaking, the former is mostly distributed in various provinces south of the Yangtze River, such as Jiangsu, Sichuan, Zhejiang, Anhui and other provinces; The latter is relatively widely distributed. It is planted in almost all regions of China, especially near the mountains of Jiangxi Province