B AND B: Balled and burlap, a method in which plants are sold where the roots of a plant have been lifted and wrapped in burlap to keep it together until transplanted.
BACKBULB: refers to the propagation of an orchid. It is the old, dormant pseudobulb, it may be leafless, but will still produce a new plant.
BACKFILL: Replacing dirt from the original hole after planting.
BALE: The area of the trunk between the base of a tree and the lowest branch.
BARE ROOT: Plant which is lifted in the winter and sold wrapped inprotective covering, i.e. without soil
BASAL CUTTING: A cutting taken from the base of a plant.
BASAL ROSETTE: An arrangement of leaves radiating from a short stem at the ground surface. Most biennials have a rosette form during their first growing season.
BEARDED: A petal bearing a tuft or row of long hairs.
BEDDING PLANT: Plants, usually annuals, greenhouse grown and suitable for growing in beds or your garden. Quick, colorful flowers. Sometimes calles carpet bedding.
BELL JAR: An old term and glass container which is bell shaped. On the top is a knob for the use of protection of a delicate plant. Also known as a cloche.
BENEFICIAL INSECT: insects that prey on or parasitize pests that are considered harmful to gardens and plants.
BERM: A landscaping technique that is used to create interest, privacy, or screening. It may also divert water runoff. It is made by creating a mound of earth or a hill.
BICOLOUR: A flower with petals which bear two distinctly different colors.
BIENNIAL: plants that complete their life cycle in two years or growing seasons.
BIGENERIC: A hybrid produced by crossing two different genera.
BINOMIAL NOMENCLATURE: a system in which the scientific name of a plant consists of two parts indicating the genus and species.
BIOLOGICAL PEST CONTROL: Using living organisms such as beneficial insects or parasites to destroy garden pests.
BLACK SPOT: A disease on the foliage of plants - primarily roses. It is caused by moisture. Can be reduced by planting resistant varieties.
BLADE: The expanded part of a leaf or petal.
BLANCH: To keep light from the leaves and stems, keeping the plant tissue soft
BLEEDING: The loss of sap from plant tissues which have been cut. Pruning when the plant is not dormant.
BLIND: The loss of the growing point, resulting in stoppage of growth. Also, failure to produce flowers or fruit.
BLOOM: A natural mealy or waxy coating covering the leaves of some house plants.
BLOSSOM END ROT: A cultural deficiency created by a lack of calcium. Very closely related to extreme temperatures, uneven watering, and root damage. Common in peppers and tomatoes.
BOG PLANT: Plants that preferred damp and most sail as their habitat.
BOLE: The area of a tree trunk that is from the ground to the first major branch.
BOLT: the tendency of cool-season plants to grow rapidly and produce seeds when exposed to warm temperatures.
BONEMEAL: A fertilizer made from crushed animal bones. It is a natural high phosphorus fertilizer and good for root development.
BONSAI: The art of miniaturizing trees by careful root and stem pruning and root restriction.
BOTTOM HEAT: An arrangement used in propagation. Usually electric heating cables will run through the base of the propagation medium. Great for seed germination and cuttings.
BOSS: A ring of prominent and decorative stamens.
BOTANICAL NAME: The Latin or "scientific" name of a plant, usually composed of two words, the genus and the species.
BOTTLE GARDEN: A form of terrarium in which a large and heavy glass container is used.
BOTTOM HEAT: Undersurface heat provided in the soil by electric cables or hot water pipes.
BRACT: a modified leaf, usually reduced in size or scale-like. Sometimes large and brightly colored.
BREAK: Production of a side shoot after removal of the growing point.
BROADCASTING: Refered to as scattering seed randomly by hand.
BROWN ROT: A fungus that is very common disease on fruit. Buy disease resistant varieties. Remove all infected parts of the plant.
BT: (Bacillus thuringiensis) A bacterium that causes disease in a variety of pest larvae, but is considered safe to humans, birds and pets, and plants.
BUD: Early stages of development of a flower or plant growth.
BULB: an underground storage organ made up of enlarged and fleshy leaf bases and a bud.
BUILDERS SAND: A substitute for horticultural sand. General purpose sand.
BULBIL: An immature small bulb formed on the stem of a plant.
BULBLET: An immature small bulb formed at the base of a mature bulb.
BUSH: A many branched small shrub with no distinct main stems.