2023年10月3日 · The leaves on rhododendrons are broadleaf and have a large surface area, making it easy for moisture to get wicked right out of them in the winter winds. It is more likely for your rhododendrons to get some winter burn if they are planted in …

Rhododendrons bloom in pink, red, purple, and white, and rarely yellow. Leaves: Woody Plant Leaf Characteristics: Broadleaf Evergreen Deciduous Leaf Color: Green Leaf Feel: Glossy Leathery Leaf Type: Simple Leaf Arrangement: Alternate Leaf Shape: Elliptical Lanceolate Oblanceolate Obovate Ovate Leaf Margin: Entire Hairs Present: Yes Leaf Length ...

2 天之前 · Why are rhododendrons curling up like they just saw the heating bill? If you’ve stepped outside this winter and noticed your Rhododendron leaves curling up tighter than a New Englander without their winter coat, don’t panic!Your plants aren’t dying—they’re just dramatically embracing the Cape Cod cold like the rest of us.

Rhododendron is a genus of shrubs and small to (rarely) large trees, the smallest species growing to 10–100 cm (4–40 in) tall, and the largest, R. protistum var. giganteum, reported to 30 m (100 ft) tall. [10][11] The leaves are spirally arranged; leaf size can range from 1–2 cm (0.4–0.8 in) to over 50 cm (20 in), exceptionally 100 cm (40 in) in...

2024年8月3日 · The leaves of a rhododendron are typically large and shiny. They are oval or elliptical in shape, with a pointed tip and smooth edges. The upper surface of the leaf is dark green and glossy, while the underside is lighter in color and covered in tiny hairs.

Good foliage can give your garden value for at least three seasons, if not longer. Thick-flowered rhododendron (R. pachysanthum, Zones 6–9) is a species that should be grown more widely. It may be the best example of textured rhodie foliage.

2018年8月31日 · Planting tip: Keep these evergreen leaves colorful. Adding Epsom salts to the soil brings dull leaves back to their natural hue. A sun-tolerant variety, ‘Blue Peter’ has elegant, frilly...

2021年6月24日 · Chlorosis - Chlorosis, an iron deficiency, is common in rhododendrons and causes leaves to turn from a rich dark green to a light green or even yellow. New leaves may even emerge completely yellow. Chlorosis becomes a problem when the soil pH is 7.0 or higher.

2024年12月18日 · Rhododendron leaves can be oblong, round or narrow and pointed. They can range from a few centimeters long to 3 feet long - as seen in R. sinogrande! The color of Rhododendron leaves can range from green, blue and purple to red, orange and bronze.

2023年9月12日 · Why Are My Rhododendron Leaves Curling and Wilting? Droopy or curled foliage on this shrub is a sure sign your plant isn't happy. Here's how to diagnose and correct the problem.