Should I remove dead leaves from rhododendron?

Dead branches should be cut back to a branch point, where dormant buds can send out new growth. Interior branches that do not get any light may be removed, because they will eventually die. Diseased branches should be pruned well below any diseased area and disposed of in the trash bin.
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Should I cut off brown leaves on rhododendron?

Leaves with excessive browning from winter or summer stress probably will not recover. Watch for recovery and if leaves don't bounce back or branches don't develop new buds and growth in the spring, trim them off the plant. You should get new growth in other areas of the plant in the spring.
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What do you do when rhododendron leaves turn brown?

Rhododendron-Leaf Scorch
  1. Adjust soil pH to 4.5 to 6 by adding sulfur or organic matter, especially conifer needle mulch, which is highly acidic.
  2. Transplant bushes or new plants in the fall or spring when a water is not limiting.
  3. Provide adequate soil moisture by irrigation where dry soil is a problem.
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Are you supposed to 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.
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How do you trim dead branches of rhododendrons?

Cut back the plant to expose the inner branches. Follow the branch down to the last whorl of leaves you want to keep and cut just above those leaves, about 1/4 inch (6 mm.) above the topmost leaf in this cluster. Large, overgrown rhododendrons can be cut 12 to 15 inches (31-38 cm.)
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Sunbathing Rhodie



What time of year should you trim rhododendron?

Sometimes large, long-established rhododendrons have to be moved. This is a sizeable but relatively simple job. For best results, it should be done in the fall or in early spring before new growth begins. The roots are cut back (pruned) with a sharp shovel, leaving a wide but shallow pad of roots and soil.
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Why are the leaves turning yellow on my rhododendron?

The Rhododendron plants are generally tolerant; however, they are quick to react when their soil pH rises above normal. The Rhododendron plants thrive in slightly acidic to neutral soils. Therefore, when the soil becomes too alkaline, the plant develops yellow leaves.
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Should you prune rhododendrons?

While there's no need to prune rhododendrons, you may want to keep their overall size in check or rejuvenate a neglected specimen. While you're busy with the secateurs, a little deadheading will keep your shrub looking great too.
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Do rhododendrons bloom twice?

Many rhodys open some flowers at this time of year but the most famous for doing this is the PJM. Will it flower next spring? Only if there are some buds that don't open now. The buds that have opened in the fall will not open and flower again in the spring.
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Should I cut off scorched leaves?

Leaves with scorched margins may look unappealing, but they still help the plant with photosynthesis, creating food for new, undamaged leaves to emerge. Resist the urge to remove scorched leaves.
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What does a dying rhododendron look like?

If it looks green or bright underneath, it's healthy; if it looks brown, the branch is probably dead. This winter and early spring were hard on rhododendrons, Brochu said, not so much because of the cold but because of wind, which dried out leaves until they were left brown and crumpled.
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Why are my rhododendron leaves turning yellow and brown?

They will not tolerate alkaline soil conditions: their leaves go yellow, growth is stunted and they eventually fail. When grown on the right soil, or in pots using the right compost they can suffer from yellowing leaves if watered with hard tap water, or just when the right nutrients are exhausted.
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Why do rhododendron leaves turn black?

Scale – Scale insects commonly cause black fungus on rhododendron. These insects are flat, tan-colored discs on foliage and stems that at first glance appear to be growths on the leaves rather than insects. You can sometimes pry them off of the leaves with your fingernail or a sharp knife.
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Why are the leaves on my rhododendron curling?

Rhododendrons Curl Their Leaves Against Winter Wind

If a lot of cold wind blows past your rhododendron in the winter, it will curl its leaves inward so less leaf surface is exposed; the plant's trying to keep water from evaporating out of its leaves.
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Why are the leaves on my rhododendron drooping?

Too little water: By the time you see rhododendrons with droopy leaves in summer drought, they are really under a lot of stress through lack of water. They need water fast, and they will pick up fast, but damage may have been done which will not show again for about 6 months when the plant starts to collapse.
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How do you take care of a rhododendron?

How to Care for Rhododendron & Azaleas
  1. Mulch plants every spring with 2 to 5 inches of pine bark chips or pine needles to protect shallow roots and retain soil moisture. ...
  2. Fertilize azaleas and rhododendrons sparingly and only when flower buds swell in the early spring, even if they are fall bloomers.
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How do I make my rhododendron thicker?

PRUNING RHODODENDRONS BY PINCHING BACK NEW GROWTH

The final thing you want to do is to pinch or snap off the new growth back when it's a couple of inches long. This is the key step to developing the dense bushy plant that you are after. These plants often send out a single long new shoots with no branching.
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Why is my rhododendron turning brown and dying?

Your rhododendron leaves are turning brown because they may be suffering from scorched leaves. This could happen due to the hot sun or cold winter winds. The leaves could also turn brown because of a lack of water. Pests and diseases are some other reasons for the browning of the leaves.
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What is wrong with my rhododendron leaves?

The fungus Phytophthora species causes one of the most common disease problems in the landscape for rhododendron and azalea. This fungus is a “water mold,” and thrives in poorly drained or wet conditions. A wilted plant is usually the first sign of trouble. Rhododendron leaves will curl inward and droop.
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Is Miracle Grow good for rhododendrons?

Miracle-Gro Water Soluble Azalea, Camellia, Rhododendron Plant Food is a special plant food designed for acid-loving plants like azaleas, rhododendrons, camellias, dogwoods, magnolias, gardenias, orchids and all evergreens. It is rich in iron and other essential nutrients.
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Will a rhododendron grow back?

Cutting Back Near the Ground

A robust rhododendron grows back in three or four years when you cut it back as much as 6 inches from the ground. Before you cut back this severely, examine the shrub to make sure it looks healthy and is free of insect infestations and disease.
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How far back can I cut my rhododendron?

To see if your shrub can handle such a hard pruning, cut only one of the main branches back to 6 inches. Cut the others back to a height you are sure is healthy, say 2 feet. If new growth emerges from the 6-inch cut, you can cut back the rest of the shrub the following year and be confident in its return.
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Do you cut back rhododendrons after flowering?

Although it is possible to prune at any time of year, perhaps the most satisfactory time is straight after flowering. This gives time for production of new growth and for formation of flower buds the following year. Alternatively prune in early spring, just as new growth is starting to elongate.
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