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Rhododendron is one of the most beautiful shrubs in the heather land.
In summary, what you need to know:
Last name : Rhododendron
Family : Ericaceae
Type : Shrub
Height : 0.5 to 5 m
Exposure : Partial shade and shade
Ground : Acid, heather earth
Foliage : Persistent -Flowering : Spring
- Rhododendron in pot
Planting, caring for and pruning rhododendron are all things you can do to improve flowering and prevent disease.
One of the most important things in rhododendron plantation it is that he has need for heather land and a well-drained soil.
If you have a limestone soil, it is better to dig a larger hole to bring in as much heather as possible.
Rhododendron tolerates shade, partial shade and even sun, even if it does not like too hot situations.
- It is recommended to plant the rhododendronin autumn or to spring.
If you want to plant the summer, plan a regular and consistent watering the first year after planting.
- Preferably choose a location partially shaded or sunny but never burning
- Avoid regularly flooded areas at all costs because this shrub fear stagnant water.
- Follow our tips for planting heather earth plants
Read also: growing and caring for rhododendron in pots
The easiest and fastest technique to propagate rhododendron is cuttings.
The period to cut the rhododendron issummer.
- Take your cuttings 15-20 cm from non-flowering stems.
- Remove the lower leaves to keep only 1 or 2 pairs of leaves at the top of the stem.
- Optionally soak the base of the cutting in cutting hormone.
- Plant your cuttings in pots filled with potting soil for cuttings.
- Keep the substrate moist and the cuttings in the light but without direct sunlight.
No pruning is really essential in the rhododendron, the maintenance is relatively easy.
If you want to maintain, reduce or balance the antlers:
- Remove dead wood.
- Remove the faded flowers as you go.
- To reduce the branches, wait until the end of summer and cut above one eye to promote branching.
Watering the rhododendron:
It is important that the soil remains slightly moist. The best way to do this is to mulch the soil with pine bark.
- Water in case of hot weather and / or prolonged drought for the first 2 years after planting
- For potted rhododendron, water as soon as the soil is dry on the surface.
Rhododendron in winter:
Rhododendron is a shrub that tolerates cold very well and has good frost resistance.
A good mulch based on maritime pine bark is, on the other hand, excellent because it will have 2 advantages:
- It will protect the roots from big frosts
- Its decomposition will bring nutrients to the soil and an acidity that the rhododendron particularly appreciates.
The rhododendron is a shrub that resists disease well when properly established.
If there is excess humidity, it is more susceptible to disease.
Leaves and buds that turn brown:
This is often linked to the fact that the soil is poorly drained and therefore water stagnates at the roots.
- The rhododendron should never have its feet in water and the water should drain quickly
- For this it is advisable to mix the earth with a little sand.
Rhododendron leaves that turn yellow:
This is usually related to a land too limestone which causes ferric chlorosis in rhododendron.
- The addition of heather soil in surfacing is recommended.
- Regular supplementation of heather plant food is important.
It is one of the most common diseases in rhododendron and it is often too late when you notice it.
- It is a fungus called phytophthora cinnamomi.
- It is then necessary to treat quickly by removing and destroying the affected parts but the chances of survival are low.
- Then treat with a fungicide, the only effective solution against this fungus.
Growths on the leaves, much like blisters:
- Although not too serious in general, this fungus called Exobasidium vaccinii is also called the leaf gall.
- Usually, removing the scab leaves alone is enough to eradicate the disease.
To know about the rhododendron
It is probably one of the most beautiful flowering shrubs to decorate your garden.
The rhododendron offers superb flowering from the very beginning of spring and very beautiful foliage throughout the year.
It can live old and thus become imposing, some subjects measuring more than 5 meters in height.
Its flowers, grouped in bouquets of up to 20 and 25 cm in diameter, range from pink to red, including white and purple, depending on the species.
- Read also: growing and caring for rhododendron in pots