Showing posts with label glossary. Show all posts
Showing posts with label glossary. Show all posts

Friday, September 6, 2013

Landscaping 101: Glossary of Terms

Here are some commonly used terms in landscaping:
by Pacific Vista Landscape Services

Accent:
The use of a plant or object to draw attention to a space.

Acidic soil: 
Soil with a pH value of less than 7.0.

Aeration:
A method of increasing water and oxygen into compact soil by turning and loosening the soil to allow penetration.

Alkaline soil: 
Soil with a pH value of more than 7.0.

Annual:
A plant that completes its life cycle in one year or season.

Apex: 
The tip of a stem.

Arbor: 
A shady garden shelter or bower, often made of rustic wood or latticework on which vines, roses, etc. are grown.

Arboretum:
A landscaped space where trees, shrubs, and herbaceous plants are cultivated for scientific study, educational purposes, and to foster appreciation of plants.

Axil:
The area between a leaf and the stem from which the leaf arises.

Bacillus Thuringiensis(BT):
Biological Control

Beneficial Biological Controls:
Insects and organic chemicals

Biennial:
A plant that typically takes two years to complete it's life cycle.


Budding:
A form of asexual reproduction in which a new organism develops from an outgrowth or bud on another one.

Bulb:
An underground plant structure that contains nutrients, energy and seed to produce a plant.

Cambrium Layer:
The thin layer of growing cells between the xylem and phloem.

Chlorosis:
Iron deficiency

Clay:
A soil particle which is plate-like, extremely small and may retain nutrients well.

Clod:
A lump of clay which is difficult to break apart.

Cold Hardy:
Capable of withstanding cold weather conditions.

Compost:
A soil product created from decomposed garden material, used in flower beds to add nutrients and encourage good growth.

Cultivar:
A cultivated variety of a plant selected for some feature that distinguishes it from 
the species from which it was selected.

Cultivation:
Turning the soil to provide better air circulation or to control weeds.

Dead Heading:
Removing dead flowers before they set seed.

Deciduous:
Having leaves that fall off or are shed 
seasonally to avoid adverse weather conditions such as cold or drought.

Defoliation:
The process when a plant looses all its leaves.

Dethatching:
Removing thatches in grass; removal of the dead grass.


Die Back:
Tips of branches decline due to lack of moisture or disease.

Dormancey:
When a plant reaches a dormant period, usually in winter.

Drainage:
The downward movement of water passing through soil.


Drip Line:
Outmost branch tips where the water would land to feed the tree.

Drought Tolerant:
The ability of a plant to thrive without much water.


Epiphyte:
A plant that lives on a host plant but draws nutrients from the air.

Espalier:
A flat or fan like like trellis.

Established Plant:
When the plant is fully rooted.

Evergreen:
A plant whose leaves or needles are green year-round.

Fertilizer:
A material added to feed plants rich in nutrients, usually nitrogen (often lost with frequent mowing), phosphates and potash.

Fescue:
Soft compact fine-leafed grasses.


Flower Form:
Structure of a flower, i.e. single, semi, double.

Foundation Plant: plant that is used to frame around a house or structure and connect it to the rest of the landscape.

Frond:
A large leaf with multiple divisions.

Fungicide:
The chemical used to control a fungus-related disease.

Germination:
The sprouting of a seed, spore or pollen grain.


Genus:
A subdivion of a family or subfamily in the classification of organisms.

Girdling:
Also called ring-barking, is the removal of bark around the circumference of the tree in a ring. The result is a slow death to the part of the tree or woody plant above the damage.

Grading:
The process of changing the slope level of an area of soil.


Grafting:
Combining the vascular tissues of two plants to form a hybrid by placing a portion of one plant (called a bud or scion) into or on a stem, root, or branch of another (called the stock) in such a way that a union forms and the partners continue to grow.

Ground Cover:
Plants which are low-growing and create a blanket appearance over an area.


Growing Season:
The period each year when the plant grows.

Hardscape:

Walkways, planters, and areas made of hard material like concrete or rocks that is incorporated into the landscape and balances with the 'softscape'.

Hardy:
Plants that can survive difficult conditions like frost and severe cold.

Hedge:
A variety of shrubs that when planted close together will give a wall-like appearance; often used to separate areas.


Herbaceous:
Having little or no woody tissue. Most plants grown as perennials or annuals are herbaceous.

Herbicide:
A chemical used to control weeds.


Horticulture:
The science of growing plants, flowers, trees, shrubs, fruit, & grasses.

Hybrid:
A plant or group of plants that results from the interbreeding of two distinct cultivars, 
varieties, species, or genera.

Indigenous:
Occurring naturally in a particular place. Native.

Iron:
A mineral used in keeping grass green.

Irrigation: 

Applying water to vegetation and landscape to help it thrive.

Leader:
The primary shoot of a plant.

Leaf Burn:
A plant disease that causes a burnt appearance.

Leaf Mold:
A fungal disease of plants in which mold develops on the leaves.

Lime:
Calcium material used to raise the pH in soil.

Macronutrients:
Essential elements needed in large amounts for healthy plant growth: nitrogen, phosphorus, calcium, magnesium, and sulfur.


Micro Climate:
The climate of a small area that is different than the climate of the surrounding area.

Micronutrients:
Essential elements needed in very small amounts for healthy plant growth: iron, copper, zinc, boron, molybdenum, chlorine, and cobalt.

Mulch:
A material used to cover soil for moisture conservation and weed suppression.

Native Plant:
A plant that lives or grows naturally in a particular region without direct or indirect 
human intervention. Indigenous.

Node:
The part of a plant stem from which one or more leaves emerge.

Organic Fertilizer:
Compounds derived from decomposition of plant and animal products and include blood meal, bone meal, manure, and sewage sludge.


Organic Matter:
Biological material in the process of decaying or decomposing.

Osmosis:
When water travels across a membrane.


Peatmoss:
A bog like moss processed to be used in potting soils and helps assimilate nutrients for the plant.

Perennial:
Persisting for several years, usually dying back to a perennial crown during the winter and initiating new growth each spring.

Pesticide:
A chemical used to control an organism.

pH:
The acidity and alkalinity of soil.


Phloem: 
One of the two types of transport tissue in vascular plants, xylem is the other.

Photosynthesis:
The process in which plants convert sunlight energy into chemical energy that can be used as fuel to aid in plant development.

Planter:
The defined area, commonly raised and composed of wood or concrete, used to grow plants.


Plant Family:
A plant that belongs to a family that shares the same broad characterisitcs.

Polladring:
A pruning meathod in which a a tree's top branches are cut back to the trunk so that it may produce a dense growth of new shoots.

Pollen:
A fine powdery substance consisting of microscopic grains discharged from the male part of a flower or from a male cone.

Pollenation:
The process in which pollen is transferred.

Pollenator Bees:
Bees that transfer pollen.

Pollenizer:
A plant that supplies pollen.

Pruning:
A method of cutting parts of a plant off to control size, health and appearance.

Pseudo Bulb:
A storage organ derived from the part of a stem between two leaf nodes.

Re-foliate:
Term used for when a plant grows new leaves after a leafless period, usually in the spring.


Rhizome:
A horizontal, usually underground stem that often sends out roots and shoots from its nodes.

Root Bound:
A plant that has grown too large for its container resulting in matting or tangling of the roots.

Rootstock:
The part of a budded or grafted plant that furnishes the root system. Also called 'understock'.

Rosette:
A circular arrangement of leaves or petals.

Scion:
A detached shoot or twig used in grafting.

Shrub:
A low-growing woody plant, usually under 15 feet that often has multiple stems.

Shock:
A term used to describe a plant that has been impacted by change, i.e. transplanting, weather, too much or too little water, frost, etc.


Sod:
Small areas of turf ready for transplant to new locations. Often used to start a new lawn.

Softscape:

Vegetation used in landscaping which balances with 'hardscape'. Includes trees, flowers, grasses, shrubs. 

Species:
Plant organisms with similar traits capable of off-spring.

Specimen:
An individual plant used to represent a class or genus or plants.

Sphagnum:
A genus of 120 species of mosses, commonly called peat moss, that survives well in wet, acidic soil.

Spore: 
Typically a one-celled, reproductive unit capable of giving rise to a new individual plant.

Spur:
A projecting root or branch.

Standard:
A tree or shrub that grows to full height.

Stolon:
A stem, at or just below the surface of the ground, that produces new plants from buds at it's tips or nodes.

Stress:
The negative impact of non-living forces on a plant.

Sucker:
A secondary shoot produced from the base or roots of a woody plant that gives rise to a new plant.

Tap Root:
An enlarged root, that grows downward and forms a center which other roots sprout laterally.

Tender:
A delicate plant that is usually sensitive to frost or severe cold.

Temperature Tolerance:
Cold or heat, the degree at which a plant can handle temperatures and survive.

Thatch:
The live or dead layer of roots and stems between the turf of a lawn and the soil.


Thinning:
Pruning or removing some branches in a uniform way throughout a tree or shrub.

Topiary:
A decorative style of plant growth controlled by shaping with pruning or shearing.

Transplant:
Moving a plant from one location to another.

Tree:
A woody perennial plant having a single, usually elongated main stem or trunk with 
few or no branches on its lower part.

Tuber:
A thickened, underground stem or rhizome which stores nutrients.

Turf:
A ground cover of grass.

Variegation:
A pattern of leaves that contains either white or yellow markings.


Variety:
A sub-species of plant.

Vegetation:
A general term for all plant life.

Water Sprout:
A nonflowering shoot arising from a branch or axil of a tree or shrub.

Wildflower:
A herbaceous plant that is native to a given area and is representative of unselected 

forms of its species.

Woody Plant:
A plant with persistent woody parts that do not die back in adverse conditions. Most 
woody plants are trees or shrubs.

Xylem: One of the two types of transport tissue in vascular plants, phloem is the other.