Many shrubs as privacy hedges, to identify ways to property boundaries or landscape and garden design 'showier plants and flowers grown mark. However shrubs with curled leaves unattractive and unhealthy, especially as the leaves turn yellow and fall prematurely from the shrubs, contribute many of the causes of the curled leaves and leaf loss. Keep shrubs healthy problems with leaf curl avoided.
Leafminers are pests that burrow inside leaves and cause them to lure them around, which provides shelter and food for the leaf miner and give them a place to lay their eggs. Although the damage is done by leaf miners rarely more than a small cosmetic irritation, helps the application of pesticides, control of the population and prevent them from excessively large. Leafminers sometimes produce webbing that makes identifying its presence in a bush easier.
Aphids, including the woolly aphid pests that occur leaf curl on a number of plants, fruit trees, flowers are causing shrubs. Aphids tend to be young and vulnerable first leaves that turn yellow before the leaves and attract larger, older or healthier leaves nothing to cause attack. Keep an eye on the young leaves to identify problems with aphids before they become severe. As with leaf miners, pesticides are an effective way to control aphids.
Some plants experience leaf curl damage due to weather, especially a sudden cold snap or frost. Rhododendrons, for the Clemson Cooperative Extension website develop leaf curl when the temperature is below 35 degrees F. Plant bushes fall into an area where they are less likely to experience cold damage, and keep them in direct sunlight, if possible. South parts of the garden are ideal for shrubs, leaf curl develop as a result of the low temperatures.
Some viruses cause leaf curl on shrubs and bushes occur. For example, does Raspberry leaf curl virus raspberry plants and leads their leaves curl in addition to other symptomatic problems such as growth retardation, low fruit and greater susceptibility to storm damage. Viral diseases are not curable, although pruning affected shrubs helps to slow its spread. Uproot and remove heavily damaged shrubs from the garden is a viral disease spread to to stop cause leaf curl.