Leaves: Rhododendron leaves are leathery, oval, ovoid or obovate, usually with dense tops and serrated edges.
Petals: Rhododendrons are usually clustered on branches and have rich colors. Calyx is generally 5-lobed, petal shape is inverted ellipse, and flower shape is wide funnel-shaped.
Characteristics and functions of azaleas: colors: azaleas are red, light red, apricot red, snow green and white. The front of the leaves is dark green and the back is light white. In addition, there will be crimson spots on the upper part of the crack.
Smell: Rhododendron is odorous and non-toxic. Generally, azaleas have a slightly astringent fragrance and a relatively light taste. You can only smell it if you smell it carefully.
Function: Rhododendron has good ornamental value. Its leaves and flowers can also be used to extract aromatic oil. Roots can be used as medicine. Has the effects of promoting blood circulation, relieving pain and expelling wind, and can be used for treating irregular menstruation and traumatic injury.
Rhododendron is suitable for planting in loose, fertile and humus-rich acidic soil, and generally likes to grow in a cool, humid and ventilated semi-cool environment, with poor cold resistance and heat resistance.
Rhododendron usually grows new buds after 30 days of planting, and then it is well maintained for a period of time. Buds can bloom in the second year. Generally speaking, azaleas bloom before leaves.