If you see symptoms like this you should have your plants tested. In Scotland sunburn is rare! Is this possible? It may take a book to understand this wide world.
Some varieties, especially species, take many years to flower. Hummingbirds are attracted to the blooms. There are several reasons why plants do not bloom. It blooms mid-season with violet-blue flowers.
This requires a fine spray to allow the water droplets to adhere. Rhododendrons are quite easy to grow as long as you have well drained but moist acidic soil. The two main azalea groups, evergreen and deciduous varieties that drop their leaves in the fall can be found in nearly every part of North America, from the frosty Canadian plains to tropical Florida. Pruning In general, do not prune spring-flowering shrubs such as azaleas and rhododendrons.
I think I am wishing for the best here. It is a w oody, evergreen or deciduous shrub that spreads by underground stolons. I looked at the possibility of pruning it but the leaves are all on the outside and pruning would leave nothing but bare wood.
Plants with Dark Foliage. Do you know what variety of rhododendron you have? A lack of water reduces flower-bud formation.
Raised beds with a solid lining are another solution, but ensure there is adequate drainage: Set new plants so that their top roots are at soil level or slightly below. Your Enquiry. The rhododendron types are fussier, preferring environments where it is neither too hot nor too cold Zones 5 to 8. Explore more tips for growing the best varieties of rhododendrons and azaleas. Fertilize azaleas and rhododendrons sparingly and only when flower buds swell in the early spring, even if they are fall bloomers.