Gardening Terms

Color variation in leaves or stems due to genetic or physiological factors. Learn more.

A strand of xylem and phloem tissues that transport water, nutrients, and sugars throughout the plant. Learn more.

A plant with specialized tissue (xylem and phloem) for transporting fluids. Learn more.

The frequency at which air is exchanged in a greenhouse, controlling temperature, humidity, and CO₂ levels. Learn more.

Expanded mica used to increase water retention and aeration in potting media. Learn more.

The cultivation of earthworms for composting and improving soil fertility. Learn more.

Exposure to a period of cold required by some plants to initiate flowering. Learn more.

Growing plants on structures or walls to maximize space. Learn more.

A species causing Verticillium wilt in many woody and herbaceous plants. Learn more.

A soilborne fungal disease that clogs vascular tissue, leading to leaf yellowing and plant death. Learn more.

the ability of seeds or organisms to live, grow, or germinate. Learn more.

capable of living or developing under favorable conditions. Learn more.

A plant with long, flexible stems that climb, sprawl, or twine. Learn more.

pertaining to viruses or viral diseases. Learn more.

Microscopic pathogens that invade plant cells, often spread by insects, causing mottling or stunting. Learn more.

A pathogenic agent causing systemic or localized disease symptoms in plants. Learn more.

Testing plant material to ensure it is free from specific viruses before propagation. Learn more.

plural of virus; infectious agents composed of genetic material within a protein coat. Learn more.