Table of Contents
Why is rhododendron bad?
Its leaves are poisonous to animals. Its foliage is so thick that nothing can grow underneath. In 2014, two experienced hillwalkers had to be rescued when they became trapped in an “impenetrable forest” of rhododendrons.
Do rhododendrons like sun or shade?
Plant in full sun to increase flowers and avoid mildew problems. Shrubs need a minimum of 6 hours of full sun daily. Plant on the sheltered side of a windbreak. If subjected to cold, dry winds, their leaves and buds dry out and die.
How do I care for a rhododendron?
They require well-aerated and drained soil that is high in organic matter. The ideal soil mix is 50% organic matter and 50% slightly sandy topsoil. Rhododendrons are acid-loving plants, so it’s best to check your soil pH and adjust it to the 4.5 to 5.5 range if necessary.
Should I deadhead rhododendrons?
Deadheading prevents the flowers from going to seed and rhododendrons should be deadheaded too in order to give the plant energy for more flower production next year. Deadheading will also give your rhododendron a tidier appearance until next year’s flowering period.
Are Rhododendrons bad?
Rhododendrons produce toxins to protect against herbivores feeding on their leaves. The toxins occur in nectar too where they ensure that only the best pollinators (that can tolerate the toxins) visit. The toxin levels in nectar of invasive plants are lower than that of native plants.
Are Rhododendrons toxic?
The toxic component of rhododendrons and azaleas can be found in very high concentrations in honey made by bees that feed on them. Eating the leaves, nectar, or flowers of the plants can also lead to toxicity. Although rare, serious and life-threatening toxicity has occurred when people intentionally ate the plant.
What to pair with Rhododendron?
Various charming shrubs work well when grown as companion plants to Rhododendrons and Azaleas. Among the most popular are Kalmia latifolia (Mountain Laurel) and Pieris japonica (Japanese andromeda) whose particularly attractive blooms overlap with those of Rhododendrons and Azaleas and create a spectacular floral display.
Where is the best place to plant a rhododendron?
Unlike many blooming plants, rhododendron does not like full morning sun in winter and does best when planted in dappled shade on the north side of a building. Growing rhododendrons are happiest in a location protected from the wind and not under eves of a building.
Do rhododendrons like full sun?
Some rhododendrons will flourish in full sun and some in partial shade. A happy medium is probably the best, with high filtered light from surrounding tall trees. By removing the lower branches of the trees the rhododendrons can enjoy the full early morning and late afternoon sun.
How to revive a distressed Rhododendron?
Distress Causing Bloom Failure. Check the area where the plant is sited first.