Pre-emergent
An herbicide applied in spring to prevent certain types of weeds from sprouting. Back to alphabetical list

Propagate
To reproduce plants by methods including seed, stem cuttings, layering, and division. Back to alphabetical list

Rock Garden
A garden typified by natural-looking outcroppings of rock planted with small, low-growing plants, often alpines. Back to alphabetical list

Shear
A method of pruning formal hedges in which the surface of the shrub is trimmed to a uniform surface. Back to alphabetical list

Shrub
A woody, multi-stemmed plant. Back to alphabetical list

Snow Mold
A pink or grayish fungus that appears on grass in the spring. Exacerbated by leaving grass long going into the winter snow season. Back to alphabetical list

Soil Compaction
Hard-packed soil caused by constant traffic of people and equipment. Soil compaction makes it difficult for water and air to reach roots. Back to alphabetical list

Soil pH
The measure indicating whether soil is alkaline, neutral, or acidic. Back to alphabetical list

Sprig
A method of starting a lawn in which grass rhizomes or stolen (essentially horizontal roots) are planted 6 to 12 inches apart, eventually spreading to fill in the area. Back to alphabetical list

Stake
To prop up a plant prone to flopping on the ground with stakes and string or commercially available hoops and similar devices. Back to alphabetical list

Sun Scald
Bark damage caused by hot sun in warm climates and by rapidly fluctuating late winter temperatures in cold climates. Back to alphabetical list

Synthetic Fertilizer
Fertilizer containing manufactured components rather than animal or vegetable matter. Most are complete, can be fast-acting, but do nothing to improve soil condition. Back to alphabetical list

Till
Turning the soil to improve its condition by increasing air and moisture to roots and thoroughly mixing in amendments. Back to alphabetical list

Warm-season
Those plants, such as tomatoes, that require warm weather for growth. Back to alphabetical list

Weed
Any plant growing where you don't want it to. Back to alphabetical list

Winterkill
Plants unexpectedly killed off by winter weather. In cold climates, can be caused by lack of winter mulch or harsh temperatures arriving before plants are covered by a blanket of protective snow. Back to alphabetical list

Zone
A system developed by the USDA to classify areas by their average minimum winter temperatures and plants by their corresponding winter hardiness. Back to alphabetical list

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