Gardening Terms

Glossary of Terms

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water conservation
Strategies and technologies used to reduce water usage and waste in gardening and agriculture. Learn more.

water infiltration
The process by which water enters and moves downward through the soil surface. Learn more.

waterlogging
Saturation of soil with water, depriving roots of oxygen. Learn more.

watershed
An area of land that drains all rainfall and runoff into a common outlet such as a river or lake. Learn more.

waterwise gardening
Designing gardens to use minimal supplemental irrigation. Learn more.

weed
A plant growing where it is not wanted, often competing with cultivated plants. Learn more.

weed barrier
A physical sheet or fabric used to suppress weed growth by excluding light. Learn more.

weed seed bank
The reserve of viable weed seeds present in the soil. Learn more.

weevil
Beetles with elongated snouts whose larvae feed within seeds, roots, or stems. Learn more.

wheelbarrow
A single- or dual-wheeled cart used to move materials in the garden. Learn more.

whitefly
Small, sap-sucking insects that excrete honeydew and transmit plant viruses, common in greenhouses. Learn more.

whorl
a circular arrangement of three or more leaves, petals, or other organs at the same node. Learn more.

wilt
Loss of rigidity in nonwoody plants due to water stress, disease, or root damage. Learn more.

windbreak
A row of trees or shrubs planted to reduce wind speed and protect plantings. Learn more.

windbreak tree
A tree or shrub planted to reduce wind speed and soil erosion. Learn more.

wings
thin membranous extensions of plant or insect structures, such as petals or seeds. Learn more.

winter sowing
Sowing seeds outdoors in covered containers during winter for natural stratification. Learn more.

witches’ brooms
dense clusters of abnormal shoot growth caused by disease or pests. Learn more.

worm bin
A container system for vermicomposting using composting worms. Learn more.