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Forum Stats

  • Forum Posts: 38
  • Forum Threads: 15
  • Registered Users: 92
  • Newest User: Jallen




If you spot an error or know of a term that isn't here, add a comment and we'll sort it out.


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A A A A

ACCENT PLANT
A focal point plant, a plant that is the centre of attention.
ACID MEDIUM
A compost which contains little or no lime and has a pH of less than 6.5. Sometimes referred to as sour soil by gardeners.
ACID RAIN
Rainwater that contains sulphur dioxide and other pollutants.
Acid soil
Acid soils have pH readings less than about pH6.5. Acid conditions are preferred by lime-hating (ericaceous or calcifuge) plants. Acid soils are sometimes the result of poor drainage and may be corrected by cultivation and the addition of lime. pH can be thought of as a measure of the amount of lime (calcium) contained in your soil.
ACRE
A measure of land totaling 43,560 square feet(4,047 sq. metres). A square acre is 209 feet(64 metres) on each side.
Aeration (lawn)
Cutting holes or slits in the lawn with a wheeled spiker, hollow-tined fork or an ordinary garden fork to improve drainage and allow air, water and fertiliser to reach the roots more easily. Also known as spiking.
Aeration (pond)
This is the addition of oxygen to the pond to remedy stagnant water and prevent fish from gasping for air at the surface of the pond during the summer months. Add plenty of oxygenating_plants to avoid oxygen starvation. Remedies include turning on a fountain, spraying the surface with a hose or stirring the water with a stick.
AERATION (soil)
Loosening or digging the soil to increase air and water penetration.
AERIAL ROOT
A root which grows out from the stem above ground level. Aerial roots are commonly seen on mature specimens of Monstera deliciosa.
AEROBIC
Usually used for describing a characteristic of compost heaps. Describes organisms living or occurring only in the presence of oxygen.
Air layering
A method of propagating single-stem plants. An incision is made to a portion of outer stem layer, damp sphagnum moss is wrapped in a bag around it until roots develop. When roots form the stem is detached and planted. Also see layering, simple_layering, tip_layering and serpentine_layering.
Algae
Minute free-floating plants present in pond water that feed on dissolved minerals from decaying plants and soil washed into the pond. They are vital to the life-cycles of many creatures.
Alkaline soil
Alkaline soils have pH readings above pH7.4 and contain relatively more lime. Alkaline soil suits lime-loving (calcicole) plants such as many alpines and many vegetables, especially brassicas (cabbage family). Alkaline soils are harder to make more acid, although the addition of leafmould and sulphate of iron can lower the soil’s pH value. Sometimes referred to as sweet soil by gardeners or farmers.
Alpines
Small, compact and generally non-invasive perennials, suitable for growing in rock gardens, troughs, scree beds and similar limited spaces.
ALTERNATE
Leaf form, where the leaves are arranged singly at different heights on the stem. Compare opposite and whorled.
AMENDMENT
Adding additional ingredients to the soil. Usually they are described as soil amendments. Leaf mold, compost, peat moss, and sand can all be used as soil amendments.
Annual plant
A plant that normally completes its full cycle of growth, flowering and seeding in a single season, and then dies. Some annuals may be sown in autumn to flower the following spring. See also biennial and perennial.
ANAEROBIC
Describes organisms living or occurring when oxygen is absent. Usually term used when talking about compost heaps.
ANTHER
The part of the flower which produces pollen. It is the upper section of the stamen.
APICAL
At the tip of a branch.
Aquatic plant
This can mean any water plant, but usually refers to those that grow in deep water, with their roots in the bottom of the pond or special baskets or living on the surface of the water. Water lilies, Nymphaea, are the most popular.
Arbour/Arbor
A structure used in the garden to support vines of all sorts for a walkway or just a focal point. A grape arbour, for example.
ARBORETUM
A garden with a large collection of trees and shrubs cultivated for scientific or educational purposes.
AREOLE
A small well-defined area, usually hairy and cushion-like, found on the stem of cacti. From them arise spinesorglochids.
AWL-SHAPED
A narrow leaf which tapers to a stiff point.
Axil
The area between the base of a leaf-stalk and the stem. A growth or flower bud (axillary bud) often appears in the axil.
Axillary buds/shoots
Buds or shoots growing from the axil.

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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