Bee

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Bee (Superfamily: Apoidea) Definition:Bees are winged insects belonging to the superfamily Apoidea, known for their role in pollination and, in the case of honeybees (Apis...

Bedding Plant

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Definition:A bedding plant is a plant grown primarily for seasonal display in garden beds, borders, containers, or other decorative planting schemes. These plants are...

Bastard Trenching

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Bastard Trenching – A Horticultural and Soil Cultivation Entry Definition and Purpose Bastard trenching is a double-depth soil cultivation technique used to improve soil structure, aeration,...

Bast

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Bast – A Botanical and Structural Entry Definition and Function Bast, also known as phloem fibres, is the vascular tissue in plants responsible for the transport...

Basic Slag

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Basic Slag (Thomas Slag) – A Botanical and Agricultural Entry Definition and Composition Basic slag, also known as Thomas slag, is a byproduct of the steel...

Basal Rot

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Basal Rot (Root and Crown Rot in Plants) Definition Basal rot is a fungal or bacterial disease that affects the base of a plant’s stem, crown,...

Bark Ringing

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Bark Ringing (Girdling in Trees and Shrubs) Definition Bark ringing, also known as girdling, is the removal or damage of a complete ring of bark around...

Bark-Bound

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Definition Bark-Bound (Physiological Condition in Trees and Shrubs) Bark-bound, also known as girdling or constricted bark syndrome, is a physiological condition affecting trees and woody shrubs...

Bark Beetles

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Bark Beetles (Family: Curculionidae, Subfamily: Scolytinae) Bark beetles are a diverse group of small, wood-boring beetles known for their ability to tunnel beneath the bark...

RHS Hardiness Ratings	USDA Plant Hardiness Zones	Approximate Temperature Range (°C)
H1a H1b H1c	13 12 11	>15°C 10 to 15°C 5 to 10°C
H2	10b	1 to 5°C
H3	9b to 10a	-5 to 1°C
H4	8b to 9a	-10 to -5°C
H5	7b to 8a	-15 to -10°C
H6	6b and 7a	-20 to -15°C
H7	6a	Below -20°C

B

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