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Get expert help from the RHS to deal with pests and other problems
Keep a watchful eye for signs of vine weevil beetles nibbling the edges of leaves and their grubs who will be munching on roots below the surface.
The rosemary beetle (Chrysolina americana) originates from southern Europe and has been found in Britain since the mid-1990s. The larvae and adults feed on the foliage of rosemary and related plants.
Rosy apple aphid is one of several aphid species that can occur on apple trees, but it is generally the most damaging.
Sage and Ligurian leafhoppers can cause a coarse pale mottling on sage, rosemary, lavender and related plants in the spring and summer.
Scales are limpet-like insects that feed by sucking sap from a wide range of plants, including houseplants, greenhouse plants and many fruit and ornamental plants grown outdoors. There are more than 25 species of scale insect in the UK Scale insects can weaken plants and some excrete a sticky substance (honeydew) on foliage, which allows the growth of black, sooty moulds.
Small white sap sucking scurfy rose scale insects can encrust rose (Rosa) and occasionally blackberry (Rubus fruticosus) stems, giving plants an unhealthy appearance.
Sempervivum leaf miner was first recorded in southern England during 2008. It has spread slowly but can cause serious damage to house leeks. It originates from mainland Europe.
Slugs are persistent and widespread pests which can cause havoc in the garden, eating holes in leaves, stems, flowers, tubers and bulbs. They can cause damage throughout the year on a wide range of plants, but seedlings and new growth on herbaceous plants in spring are most at risk.
Snails are familiar animals that can cause a lot of damage in the garden, eating holes in leaves, stems and flowers.
Soft scale is a very widespread and common scale insect attacking a wide variety of garden and glasshouse plants. It is a flat, oval pale yellow/brown insect usually found near the midribs of leaves and on stems and produces large amounts of honeydew.
The larval stage of Solomon’s seal sawfly can completely defoliate Polygonatum species and hybrids in early summer.
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