Louisiana Landscape Horticulture A-M Exam 2025/2026
ACTUAL COMPREHENSIVE REAL EXAM QUESTIONS
AND CORRECT ANSWERS / VERIFIED ANSWERS /
ACTUAL EXAM / Graded A+ 2025 TEST!!
Culture - ANSWER-A specialized activity used in growing
plants. (e.g. pruning, watering, cultivation)
Cutting (or slip) - ANSWER-Asexual propagation of plants;
propogated by breaking breaking or cutting off a portion of a
branch or root and planting it in soil or water so that it can grow
roots and in time become a plant exactly like the parent.
Cutting height - ANSWER-In mowing lawns, the measurement
from grass clipped to soil line.
Damping Off - ANSWER-A fungus that causes seedlings to die
immediately before or just after they break through the soil.
Careful watering, good drainage and sterilizing seed bed soil
help in preventing damping off.
Day-neutral - ANSWER-A term applied to plants which are not
affected by the relative length of dark and light periods.
,Deciduos - ANSWER-Plants that shed all their leaves at the end
of the growing season and remain leafless during the winter or
dormant period.
Deep Rooted - ANSWER-Plants with deeply growing roots as
contrasted with roots growing on or close to the soil surface.
Determinate Tomato - ANSWER-Terminal bud sets fruit, stops
stem growth. The plant is self topping. Seldom needs staking.
Dethatching - ANSWER-Removal of the thatch layer of turf by
machine, garden rake, or dethatching rake to increase air flow
and penetration of fertilizers and water.
Dew - ANSWER-Condensed moisture from the atmosphere
adhering in the form of small drops to any cool surface.
Dew Point - ANSWER-A temperature point below which
moisture in the atmosphere is condensed into small drops.
Diameter Breast Heigh - ANSWER-Term used in measuring a
tree caliper; the caliper is measured four foot six inches above
the ground line.
Dibble - ANSWER-A handled, pointed tool for making holes in
the soil for planting seeds, bulbs, transplanting, etc.
Dioecious - ANSWER-Plants having staminate flowers on one
plant and postulate flowers on another.
, Dividing - ANSWER-A method for increasing plants such as
bulbs, perennials, and other plants that spread by developing
roots and tops in clumps (e.g. dahlias, iris, day lilies).
Accomplished by digging up all or a portion of a plant, breaking
apart the rooted sections and replanting.
Dormancy - ANSWER-Cyclic period when a plant rests; its
growth processes is greatly slowed down. This occurs in many
species by the coming of winter as days grow shorter and
temperatures begin to drop. The period ends in spring when the
plant is exposed to higher temperatures for an extended
number of hours. Dormancy is a plant's safeguard against
extremes of temperature, lack of water, etc.
Drainage - ANSWER-A term used to describe how water passes
through the soil. Adequate water passage is essential to the
proper growth of almost all plants.
Drainage (Air) - ANSWER-A term used to describe the
circulation of air into the soil and the flow of respiration
product out the soil. Compacted soil around roots resist air
flow, making it difficult for many plants to thrive. Also refers to
movement of air from adjacent areas to affect temperature
changes.
ACTUAL COMPREHENSIVE REAL EXAM QUESTIONS
AND CORRECT ANSWERS / VERIFIED ANSWERS /
ACTUAL EXAM / Graded A+ 2025 TEST!!
Culture - ANSWER-A specialized activity used in growing
plants. (e.g. pruning, watering, cultivation)
Cutting (or slip) - ANSWER-Asexual propagation of plants;
propogated by breaking breaking or cutting off a portion of a
branch or root and planting it in soil or water so that it can grow
roots and in time become a plant exactly like the parent.
Cutting height - ANSWER-In mowing lawns, the measurement
from grass clipped to soil line.
Damping Off - ANSWER-A fungus that causes seedlings to die
immediately before or just after they break through the soil.
Careful watering, good drainage and sterilizing seed bed soil
help in preventing damping off.
Day-neutral - ANSWER-A term applied to plants which are not
affected by the relative length of dark and light periods.
,Deciduos - ANSWER-Plants that shed all their leaves at the end
of the growing season and remain leafless during the winter or
dormant period.
Deep Rooted - ANSWER-Plants with deeply growing roots as
contrasted with roots growing on or close to the soil surface.
Determinate Tomato - ANSWER-Terminal bud sets fruit, stops
stem growth. The plant is self topping. Seldom needs staking.
Dethatching - ANSWER-Removal of the thatch layer of turf by
machine, garden rake, or dethatching rake to increase air flow
and penetration of fertilizers and water.
Dew - ANSWER-Condensed moisture from the atmosphere
adhering in the form of small drops to any cool surface.
Dew Point - ANSWER-A temperature point below which
moisture in the atmosphere is condensed into small drops.
Diameter Breast Heigh - ANSWER-Term used in measuring a
tree caliper; the caliper is measured four foot six inches above
the ground line.
Dibble - ANSWER-A handled, pointed tool for making holes in
the soil for planting seeds, bulbs, transplanting, etc.
Dioecious - ANSWER-Plants having staminate flowers on one
plant and postulate flowers on another.
, Dividing - ANSWER-A method for increasing plants such as
bulbs, perennials, and other plants that spread by developing
roots and tops in clumps (e.g. dahlias, iris, day lilies).
Accomplished by digging up all or a portion of a plant, breaking
apart the rooted sections and replanting.
Dormancy - ANSWER-Cyclic period when a plant rests; its
growth processes is greatly slowed down. This occurs in many
species by the coming of winter as days grow shorter and
temperatures begin to drop. The period ends in spring when the
plant is exposed to higher temperatures for an extended
number of hours. Dormancy is a plant's safeguard against
extremes of temperature, lack of water, etc.
Drainage - ANSWER-A term used to describe how water passes
through the soil. Adequate water passage is essential to the
proper growth of almost all plants.
Drainage (Air) - ANSWER-A term used to describe the
circulation of air into the soil and the flow of respiration
product out the soil. Compacted soil around roots resist air
flow, making it difficult for many plants to thrive. Also refers to
movement of air from adjacent areas to affect temperature
changes.
