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Any plant food that contains all three of the primary nutrient elements - nitrogen, phosphorus, and potassium - is a complete fertilizer. 

Conifer is a more precise word for the plants that bear seeds in cones or modified conelike structures, such as cedars, cypresses, junipers, and pines.  Leaves on most are narrow and needlelike or tiny and scalelike.  Most but not all conifers are evergreen.

Any plant that sheds all of its leaves at one time each year (usually in fall) is deciduous.

An insecticide or a fungicide applied to a plant during the season it is not putting on new growth is a dormant spray. Usually including, or composed only o, a dormant oil, a dormant spary is a very effective way to kill overwintering insects and disease organisms and reduce the necessity for multiple sprays during the growing season.

Drainage refers to the movement of water through the soil in a plant's root area.   When this happens quickly, the drainage is "good" or "fast" and the soil is "well drained"; when it happens slowly, the drainage is said to be "slow" or "bad", and the soil is poorly drained.  For plants to grow, water must pass through the soil.  Plants roots need oxygen as well as water, and soil that remains saturated deprives roots of necessary oxygen. 

The circle that could be drawn on the soil around a tree directly under the tips of its outermost branches is called a drip line.  Rain water tends to drip from the tree at this point.  The term is used in connection with feeding, watering and grading around existing trees and shrubs.

Plants that can withstand long periods with little or no water, plants that have relatively low water requirements, or plants that are well adapted to the arid West are often described as drought resistant or drought tolerant.  However, because water requirements vary greatly from plant to plant and from region to region.  Soil conditions, exposure, degree of establishment, length of time without water, and other factors also affect a plant's water needs, its appearance, and its survival.