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Other Glossary Entries : A B C D E F G H I J K L M N O P Q R S T U V W X Y Z
- Water plants
- Plants that live in water, in ponds or waterlogged areas. Water plants are usually divided into different groups, according to the depth of water they like or what they do.
- WEED
- Any uninvited and usually unattractive plant that surfaces in gardens. Usually weed seeds are delivered by winds, or in a farmers load of manure from his cows, who naturally eat in the fields.
- Well-drained soil
- Well-drained soils - typically light soils but also those which are well-cultivated and not waterlogged. Suit most plants because surplus water drains away rapidly, avoiding the risk of disease and providing the aeration needed by most roots (digging, adding coarse materials such as grit or creating raised beds can all improve poorly drained soil).
- Wet soil
- Wet soils, usually heavy or peaty in nature, hold water well and dry out slowly, and are suitable for many marginal or moisture-loving species, and also some aquatics, but need improved drainage for other species to survive healthily.
- WETTING AGENT
- A substance added to water that increases its ability to wet surfaces, especially those that are waxy or oily.
- WHIP GRAFT
- Graft in which the scion and rootstock are locked together tighter than in ordinary grafting.
- WHORLED
- Leaf form, where three or more leaves radiate from a single node.
- WICK
- A length of fibre or cloth that feeds liquid from a reservoir to a drier end.
- WILDFLOWER
- A herbaceous plant capable of growing, reproducing, and becoming established without cultivation or help from man.
- WOODY
- Having hard, tough tissues that persist from year to year and are capable of producing shoot or flower buds. Woody plants also have the capacity to increase in diameter from year to year.
- Worm casts
- Worm castsCoils of fine, digested soil left on the surface by earthworms. Scattering casts with a broom is preferable to treating lawns to kill the worms, as their earth-moving activities aid soil drainage and aeration.
- Wounding
- This is a way to stimulate rooting by exposing the inner part of a stem. Examples of wounding include the bare moist end of a cutting or making a notch when layering a stem.
- XERISCAPE
- This is a patented name that stands for a landscaping method that is based on low water volume and drought adaptable plants.
- XERISCAPING
- A patented name that refers to water-conserving landscapes.
- XEROPHYTE
- A plant which is able to live under very dry conditions.
- YARD
- American word for garden.
- ZINC
- At least sixteen chemical elements are necessary for the growth of plants. Zinc is one of them. It occurs naturally in the soil in the form of zinc compounds.
- ZONE
- A region that shares similar climatic and rainfall conditions producing similar growing seasons.
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Other Glossary Entries : A B C D E F G H I J K L M N O P Q R S T U V W X Y Z
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