Gardening Terms

A fungal or oomycete disease causing seedlings to collapse near the soil line, often from Pythium or Rhizoctonia. Learn more.

Removing spent flowers to encourage further bloom or maintain appearance. Learn more.

A plant that seasonally sheds its leaves, typically in autumn. Learn more.

A forest dominated by trees that shed leaves seasonally. Learn more.

Irrigation that penetrates the root zone, encouraging deeper root systems. Learn more.

The loss or removal of leaves from a plant, caused by pests, disease, or weather. Learn more.

A fruit or organ that splits open when ripe to release its contents, such as seeds or spores. Learn more.

the period when buds begin to swell but before new growth starts. Learn more.

A microbial process that converts nitrates (NO₃⁻) into nitrogen gas (N₂), resulting in nitrogen loss from soil. Learn more.

With a toothed margin; having pointed teeth along the edge. Learn more.

the drying out or loss of moisture from plant tissue. Learn more.

Growth habits describing whether a plant stops at a set size or continues to grow and flower. Learn more.

The temperature at which air becomes saturated and water vapor condenses into dew. Learn more.

A flowering plant with two cotyledons in its seed; now part of the eudicots. Learn more.

progressive death of shoots or branches starting at the tips. Learn more.

having male and female reproductive organs on separate plants. Learn more.

A small tubular flower located in the center of composite flower heads, such as in sunflowers. Learn more.

Arranged in two opposite vertical rows on either side of an axis. Learn more.

having a shape or form that is twisted or unnatural. Learn more.

A propagation method that separates a mature plant into sections each with roots and shoots. Learn more.

A period of minimal growth and metabolic activity allowing plants to survive unfavorable conditions. Learn more.

A group of plant diseases producing yellow leaf spots and fuzzy gray growth on the undersides; caused by oomycetes. Learn more.

The movement of water through soil; essential for preventing waterlogging and root diseases. Learn more.

A water-efficient irrigation method that delivers water directly to plant roots through tubing and emitters. Learn more.

The outermost circumference of a tree’s canopy where water drips from the leaves to the ground. Learn more.

a prolonged period of deficient rainfall that reduces soil moisture and plant growth. Learn more.

The ability of a plant to maintain function under limited water availability. Learn more.

A fleshy fruit with a single hard stone enclosing the seed, such as a cherry or peach. Learn more.

A vascular wilt disease of elms spread by bark beetles and caused by Ophiostoma fungi. Learn more.