Choose some of the easiest and most dependable evergreens as the backbone of your indoor displays.

Many of them are tough enough for the more difficult positions around the home, and most of those suggested here are bold enough to be focal point plants, too.

The glossy evergreens such as dracaenas, fatsias, ficus, scheffleras, palms and philodendrons generally make excellent stand-alone plants, but they can also be used as the framework plants for groups and arrangements. They will be far more robust than plants with thin or papery leaves, feathery and frondy ferns, or even those with hairy leaves.

You need these other leaf textures, as well as flowering plants, to add variety of shape and form and a touch of color, but it makes sense to use the toughest evergreens as the basis of your houseplant displays.

When a tough plant is needed for a cold or drafty spot, such as a hallway or near a back door, consider using some of the hardy foliage plants that have to cope with frost and gales when planted outdoors! Fatsia japonica is a glossy evergreen with fingered foliage, rather like the palm of a hand. Others to look for are variegated varieties of Aucuba japonica and Euonymus japonicus.

Ivies are also ideal if you need a tough climber or trailer. There are lots of varieties to choose from with a wide choice of leaf shape, size and color.

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The mouthparts of insects have adapted over time to suit the feeding style of each type of insect. Mouthparts differ from insect to insect, so the damage that they cause is useful in the classification and identification of the pest. Differentiating the type of insect damage will help you determine how to control the pest.

A chewing insect is any insect that has teeth. Most winged chewing insects (such as beetles, caterpillars and grasshoppers) feed only on leaf tissue, working from the leaf edge towards the center and eventually to the leaf stem. Crawling chewing insects, such as cutworms, will also eat roots and even stems of small plants.

Rasping insects (such as mites, snails, slugs and thrips) actually scrape off the surface of the leaves as sandpaper would. They suck up the fluids from the top layer of cells until all the green tissue has been consumed, leaving only the skeleton behind.

Sucking insects (such as aphids and whiteflies) have slender mouthparts with which they pierce leaves and stems to suck out plant fluids. Large populations can cause curling, yellowing and distortion of leaves, as well as stunting of shoots. Most sucking insects also produce large quantities of a sticky substance known as honeydew, which often turns black with the growth of a sooty mold fungus.

If you're not sure what type of insect is attacking your plant, just bring in a sample and one of our nursery experts will recommend a remedy to help your plant.