Alpine: A plant that grows naturally in the Alps; usually refers to plants suitable for rockeries, as these plants have a dwarf, compact habit.
Annual: A plant that germinates from, grows, , sets and dies within a year.
Aquatic: A plant adapted to living in water.
Bed: A clearly defined plot within a garden.
Bedding plant Any plant that is used as part of a temporary garden.
Biennial: A plant that completes its life cycle in two years (and dies after flowering in the second season).
Bog garden: A permanently wet, artificial garden, usually sited alongside a stream or water garden.
Border: A cultivated area running alongside a path, wall or boundary fence.
Bud: The growing point of a shoot.
Burr: A seed head, flower case or fruit with bristles or spines.
Bush: A low shrub whose branches all grow from ground level.
Chipping: Nicking the outer coating of a seed, to speed up germination.
Climber: A plant that ascends towards the light.
Cloche: A moveable cover made from plastic or glass used for protecting early crops.
Cold frame: A small, unheated permanent structure with a glass roof wherecan be hardened off.
Compost: There are two types: the first is ‘garden’, made from decomposed vegetable waste, grass clippings and other bio-degradable refuse; the second is a mixture of loam, peat and sand, used for .
Conifer: Generally an evergreen tree or shrub that has needles and bearsin cones.
Crown: The part of a herbaceous plant from which thegrow down and the grows up.
Cultivar: A cultivated variety of a plant; it differs from a naturally occuring variety.
Dead-heading: Picking off dead flower heads to tidy plants and encourage further flowering.
Deciduous: Refers to a tree or shrub which sheds itsin autumn or winter.
Dibber: A hand tool for making holes in soil. 188 Popular Garden Planus dormant: The inactive period, during winter, when a plant’s growth temporarily ceases.
Drill: An outdoor furrow in which seeds are sown.
Dwarf: A miniature form of a plant.
Evergreen: Refers to a tree or shrub which keeps its leaves throughout the year.
Fertilizer: A substance that supplies nutrients to soil.
Floret: An individual flower that forms part of a larger flower head.
Genus: A group of closely related plant species.
Germination: The sprouting of a seed.
Grafting: Joining a shoot orfrom one plant to the of another, to form a new plant.
Ground cover A carpet of low-growing, often spreading plants.
Half-hardy: Plants that cannot withstand frost.
Hardening off Allowing tender and half-hardy plants that have been raised under glass to get used to outdoor conditions.
Hardy: Plants that are able to withstand frosts; they can survive outdoors all year round in all but the most severe weather conditions.
Herbaceous: Plants that produce soft, non-woody growth; they die down in winter, after seeding, and reappear in the spring.
Humidity: The amount of water vapour in the atmosphere.
Humus: Organic constituent of soil.
Hybrid: A plant derived from crossing two varieties, usually of the same species or genus.
Insecticide: Any substance, including chemical compounds, that will destroy garden pests.
Invasive: Refers to plants which tend to become overgrown if not kept in check.
Leaf-mould: A compost made from decayed leaves, that increases soil fertility.
Loam: A rich soil consisting of clay, sand and decayed vegetable matter.
Mulch: A layer of organic material or plastic spread on the soil’s surface, around plants, to discourage weeds and preserve moisture in the soil.
Nitrogen: The most essential element in plant nutrition.
Organic: Produced without artificial chemicals.
Oxygenator: Aquatic plant that releases oxygen through its leaves.
Peat: Partially decomposed vegetable matter that retains moisture.
Perennial: A plant that lives for more than two years.
Pergola: A canopy or covered walk formed by plants trained over a series of arches.
Perpetual: Flowering plants that produce blooms intermittently throughout the year.
Pinching: Removing tips of unwanted growing shoots using finger and thumb.
Pricking out: Re-planting seedlings into larger containers.
Propagation: Increasing plants from seeds oror by grafting, budding, division or .
: The controlled cutting back of branches to promote growth, encourage and fruit, restrict size, or shape the plant.
Screen: A wall, fence or hedge that encloses a garden or obscures an unattractive view.
: First leaf or pair of leaves produced by a germinating seed.
Seedling: A young plant, usually raised from seed, with a single, unbranched stem.
Semi-evergreen Refers to shrubs or trees which lose then-leaves only in a very harsh winter.
Shrub: A woody plant, smaller than a tree, withthat grow from near ground level and no central trunk.
Species: A class of plants that have common characteristics and that breed consistently true to type from seed.
Specimen plant Any plant that is grown in a place where it can be viewed from all angles.
Succulent: A plant adapted to dry conditions, that has fleshy leaves andthat store moisture.
Tap: A long, anchoring that grows vertically downwards.
Tender: Plants that are liable to damage from frost.
Topiary: The art of training and clipping trees and shrubs into shapes.
Tree: A plant with a central woody main stem or trunk.
Variegated: Describes a leaf or petal marked with two or more distinct colours.
Variety: A variant of a species arising naturally or through cultivation.
Weed: Any plant that grows where it is not wanted, particularly when it competes with cultivated plants for light, moisture or food, or when it encourages pests and diseases.