Rhododendron, also known as azalea, mountain pomegranate, Ericaceae Rhododendron plants.Legend has it that there was a cuckoo bird in ancient times, day and night kept singing and coughing blood, its blood dyed red flowers all over the mountain, so named azalea.It is divided into five strains of spring cuckoo, summer cuckoo, West Cuckoo, East Cuckoo and Alpine Rhododendron.
Most rhododendrons bloom between April and June.However, the specific flowering time is related to its varieties, planting areas and other factors.For example, the flowering period of spring cuckoo is from mid-April to early May, and that of summer cuckoo is from mid-May to early June, which can last until July-August.From the regional point of view, the flowers cultivated in greenhouses in the north will blossom in January and February; There will be flowering in May and May in open field culture; It blooms in July and August at higher altitudes.
Rhododendrons like cool, moist, ventilated and semi-shady growth environment.Afraid of both heat and cold, the growth temperature is between 12 C and 25 C. In summer, we should protect the sun and shade, and in winter, we should pay attention to keeping warm and cold.Suitable for growth under scattered light with low light intensity, if the light is too strong, it is easy to sunburn tender leaves, and serious will lead to plant death.It is suitable for planting in acidic soil, and the growth of calcareous soil will become slow or even no growth.
