Apical bud
The topmost, and typically dominant, growing point on a plant stem.

Aquifer
An underground deposit or series of connected deposits of rock saturated with water.

Chapparal
A community of drought tolerant, evergreen shrubs found primarily in California that is adapted to mild wet winters, hot dry summers, and occasional wildfire.

Cultivar
A contraction of the words “cultivated variety” used to denote a plant that has been selected or bred for particular traits which can be maintained in propagation clonally.

Ecology
Describes conditions specific to a particular site relating to climate, soil and light.

Frost-tender
A plant that will not survive frost or freezing.

Genus
A group of closely related plants within a larger plant family; the first word in a botanical name. (Plural: genera)

Habitat:
The physical environment in which a plant or animal can naturally live.

Hardy
Refers to a plant’s ability to withstand cold.

Herbaceous
Plants whose leaves and stems die back to the ground at the end of the growing season; herbaceous perennials regrow the following year.

Host plant/larval host
Specific plants that feed the larval, or juvenile, form of insects.

Hybrid
The offspring of crossing two or more parent plants.

Marine terrace
A coastal landform consisting of an elevated horizontal platform or gently sloping surface formed by wave action.

Native
Plants that naturally occur in a geographic area.

Naturalize
When a plant adapts and acclimates to an environment establishing itself as if

Proteaceae
A family of plants native to the Southern Hemisphere containing around 80 genera including Protea, Banksia and Grevillea

Regionalism
An approach to gardening that attempts to capture the natural environment and spirit of “place” specific to a geographic area.

Riparian
Refers to conditions found along the banks of a natural waterway.

Runnel
A shallow trough or narrow channel with flowing water.

Scree
An accumulation of loose rock or gravel covering a slope.

Subtropical climate
Characterized by hot humid summers followed by cool mild winters.

Taxonomy
The science of naming living things.

Temperate climate
Having neither extreme of hot or cold temperatures.

Tetraploid
Plants that have been bred to have twice as many chromosomes than is typical.

Tropical climate
Warm hot and moist conditions found throughout the year in the region surrounding the earth’s equator bordered to the north by the Tropic of Cancer and to the south by the Tropic of Capricorn.