Gardening vocabulary includes words that you might not be familiar with. Find some help in Bayer Garden gardener's glossary.  

A B C D E F G H I J K L M N O P Q R S T U V W X Y Z


A


Acaricide

Substance or product that kills mites

Active substance (active ingredient)

Active ingredient of a product. Substance or organism (including viruses), exercising a general or specific action against harmful organisms or on plants, parts of plants or plant products.

Adjuvant

Substance or product without biological activity but able to improve the physical and chemical properties of a product

Adventice

Refers to undesirable plants that grow in cultures - Synonymous with weeds.

Anticoagulant

Product contained in the bait that causes a fatal internal bleeding in rodents.Anticolagulant 1st generation: the animal must eat many times the product. 2nd generation: a single ingestion is sufficient

Anti-germ

Refers to a product that inhibits seed germination.

Appetence

Tendency of a living being for a substrate to satisfy his instincts, especially nutrition. This term is used incorrectly to describe the nature or appetitive attractiveness of a substrate for a living being.

Auxiliary fauna

Refers to animals in the garden that fight against parasites; the classic example is the beetle (and larvae) that feed on aphids.


B


Bindweed (perennial)

Heart-shaped leaves. Produces large white, or pink trumpet-shaped flowers between June and September. Can smother other plants by entwining itself around them and grows up to 3 metres. Spreads by underground creeping roots, stems and by seed. Found in hedges, borders and flower beds.

Brambles (perennial)

dense and often thorny stems bearing wil berries e.g. blackberries. Flowers open between May and July; fruits appear between July and September. Cheifly found in hedgerows, bramblems prefer north facing spots.

 

C


Chlorosis

Physiological disorder of various origins, manifested by discoloration of the foliage. For example iron chlorosis is a yellowing of leaves due to iron deficiency.

Collet

Area between the plant roots and stems.

Compost

Decayed organic matter recycled to provide fertilizer and soil amendment.

Concentration

Amount of active substance or product in the unit volume or mass of a bouillie at the time of use. It can be expressed for example in g / L.

Contact Herbicide

Refers to a herbicides that  kill only the plant tissue in contact with the chemical.

Creeping Thistle (perennial)

Distinctive sharp spined, waxy leaves bearing pale purple or lilac flowers from July to September. Spread by seed and by its deep tap root and lateral roots that can extend for up to 6 metres. A common problem in beds and borders.

Couch Grass (perennial)

Green, herringbone-like seed heads which flower from May to October. Can grow up to 1 metre. Spreads by creeping underground stems. More of a problem in beds and borders.

Curative

Refers to a treatment that can be done when the plant suffers from a disease or pest attack.


D


Damping-off

It is a disease (which may be caused by various fungi) which decay the young plants in a few hours.


Deficiency

For a plant physiological disorder caused by the weakness or the total absence of an essential nutrient

Defoliation

Leaf fall.

Dicotyledons

Group of plant species of angiosperms belonging to plants or seed. The plant is characterized by the presence of two cotyledons in the seed and found in the seedling stage.

Dispersible granules

Product whose active substance is finely ground agglomerated into granules that dissolve in water.

Dormancy

Is a period when plant growth has stopped and/or leaves have fallen. This arrested growth enables the plant to survive in difficult climate condition such as wintertime.

Dosage

Amount of active substance or preparation applied per unit area or volume of vegetation to be treated.


E


Endemic

Plants that are specific to a geographic area

Epidermis

Tissue located on the outskirts of plants and ensuring their protection.

Everblooming

Plants that blooms all year long

Evergreen

Plants that will keep their foliage all year long (conifers for ex.)

F


Fairy ring

Is made of mushrooms growing naturally in a ring or arc; it is sometimes also called also called elf circle, or pixie ring.

Fertilisers

Substance or product added to the soil to provide nutrients for plants and cultures.

Foliar

Refers for example to an herbicide sprayed on the leaves and absorbed by them.

Fungicide

Substance or product that kills fungi and fungal diseases.

G


Ground Elder (perennial)

Dense patches of white flowering weed that can grow up to 1 metre tall. Grooved, hollow stems. Particularly invasive, it is spread by underground stems and sometimes by seed. Flourishes in flower beds and borders where it will quickly choke most other plants.

H


Herbicide

Substance or product that kills weeds.

Honeydew

Sugary excretions left on plants by pests such as aphids or scale insects.

Horsetail (perennial)

Fern like plants with thin, green branded stems and no leaves. In spring, brown asparagus-like shoots appear with cones at the tips. Spreads by creeping underground rhizomes which can be over 1 metre deep. Found in beds and borders, especially near damp areas. Particularly resistant to most weedkillers.

I


Impervious surface

They are hard surfaces like asphalt, pavers, concrete ... where the risk for herbicides by surface water is important.

Infection

Invasion of a medium, a host plant or by a culture noxious plant or animal population

Insecticide

Substance or product that kills insects.

Ivy (perennial)

Woody stemmed evergreen that is often left to climb and trail in the garden with no ill effects. However, its dense growth can overwhelm other plants in beds and borders or shroud attractive trees, making control desirable in some instances.

J


Japanese Knotweed (perennial)

A jungle of thick, bambook like stems, heart-shaped leaves, arching branches and clusters of tiny, cream coloured flowers. Can rfgow up to 2.5cm a day and eventually reach up to 3 metres tall! Spreads by its massive underground system of stems, which can penetrate 4.5 metres into the ground. Grows in flower beds, borders and under paths. Probably the most difficult weed of all to eradicate.

L


Larva

Early stages of many invertebrates, sexually immature. The larva is the state between the release of the egg and nymph or transformation into an adult

Leaching

Action of excess water seeping into the ground and carrying with it such nutrients whose land will then be impoverished

N


Nettle (perennial)

Downy plant, covered with stinging haris - familiar to almost everyone! Flowering through the summer months, the common form generally grows to just under a metre in height. Multiplies and spreads quickly due to its creeping roots and will tolerate most soil conditions.

NPK

Formula to express the composition of nitrogen (N), potassium (K) and phosphate (P) of a fertilizer.


O


Opening of buds

Stage of growth, then opening of the bud, when growth starts in spring.

Organic

Substances or products that have been obtained from only natural ingredients.

Organic Gardening

Gardening activities in which no synthetic products are used


P


Perennial

Refers to a plant which lives more than three years under normal conditions

Permeable surface

Driveways gravel, shale ... close to trees, shrubs, grass or solid.

Permitted uses

Crop and disease / pest for which treatment is possible

Persistence of action

Length of time after application of a treatment plant is protected against attacks by pests and diseases

Pesticide

Term for a substance or product to fight against pests, domestic animals, human and harvested products.

Pests

Term by which are meant the insects and animals damageable t to crops and plants.

Post-emergent

Treatment applied after germination of weeds or crops.

Pre-emergent

Treatment applied before germination of weeds or crops.

Preventive

Said of a treatment to be performed before the plant is suffering from a disease or pest attack.


R


Ready to Use (RTU)

Refers to a product sold ready to be used (no dose calculation to be done). RTU products are generally available in sprayer, WSP or prefilled bait

Rejection

This is a shoot that grows directly from the roots or under trees.

Repulsive

Substance or product that has the ability to push more or less selectively in living organisms.

Residual

Describes a substance (weed killer for example) that remains in the soil and acts on perennial roots to kill their seeds and shoots.

Rhizome

This is an underground stem or spread to the surface. We differentiate the rhizome of a root is the fact that both aerial shoots, or simple leaves, and roots. The main plants are rhizomatous iris, lily of the valley, …

Rodenticide

Substance or product has the property to kill rodents.


S


Season long herbicide

Refers to an herbicide that requires only an application per season; it to be applied at early springtime.

Seedling

Young plant generated by the germination of the seed after emergence.

Soil-acting herbicide

Refers to a product, for example an herbicide, applied to the soil and absorbed by the roots.

Sooty mould

Fungus that grows on the honeydew left by aphids or scale insects. It features a black, sticky layer.

Spectrum of efficiency

All cultures fought enemies or by a treatment product.

Spreading

Disperse on a regular basis a product (often pellets) on the ground.

Systemic

Describes a substance (product) that, after penetration into the plant, migrates within it.


T


Trace Elements

Elements essential to plant, but in very small quantities, such as iron, boron, molybdenum etc ....


W


Winter care

Treatment carried out during the vegetative rest.

Woody

Refers to a plant whose stems are made of wood, as opposed to herbaceous plants.

WSP

Liquid or solid packed in bags ready for use which the film dissolves in water.