Gardening vocabulary includes words that you might not be familiar with. Find some help in Bayer Garden gardener's glossary.
AcaricideSubstance 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.
AdjuvantSubstance or product without biological activity but able to improve the physical and chemical properties of a product
AdventiceRefers to undesirable plants that grow in cultures - Synonymous with weeds.
AnticoagulantProduct 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-germRefers to a product that inhibits seed germination.
AppetenceTendency 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 faunaRefers to animals in the garden that fight against parasites; the classic example is the beetle (and larvae) that feed on aphids.
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.
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.
ChlorosisPhysiological disorder of various origins, manifested by discoloration of the foliage. For example iron chlorosis is a yellowing of leaves due to iron deficiency.
ColletArea between the plant roots and stems.
CompostDecayed organic matter recycled to provide fertilizer and soil amendment.
ConcentrationAmount 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.
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.
CurativeRefers to a treatment that can be done when the plant suffers from a disease or pest attack.
It is a disease (which may be caused by various fungi) which decay the young plants in a few hours.
DeficiencyFor a plant physiological disorder caused by the weakness or the total absence of an essential nutrient
DicotyledonsGroup 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 granulesProduct whose active substance is finely ground agglomerated into granules that dissolve in water.
DormancyIs 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.
DosageAmount of active substance or preparation applied per unit area or volume of vegetation to be treated.
EndemicPlants that are specific to a geographic area
EpidermisTissue located on the outskirts of plants and ensuring their protection.
EverbloomingPlants that blooms all year long
EvergreenPlants that will keep their foliage all year long (conifers for ex.)
Fairy ringIs made of mushrooms growing naturally in a ring or arc; it is sometimes also called also called elf circle, or pixie ring.
FertilisersSubstance or product added to the soil to provide nutrients for plants and cultures.
FoliarRefers for example to an herbicide sprayed on the leaves and absorbed by them.
FungicideSubstance or product that kills fungi and fungal diseases.
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.
Substance or product that kills weeds.
Sugary excretions left on plants by pests such as aphids or scale insects.
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.
Impervious surfaceThey are hard surfaces like asphalt, pavers, concrete ... where the risk for herbicides by surface water is important.
InfectionInvasion of a medium, a host plant or by a culture noxious plant or animal population
Substance or product that kills insects.
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.
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.
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
LeachingAction of excess water seeping into the ground and carrying with it such nutrients whose land will then be impoverished
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.
NPKFormula to express the composition of nitrogen (N), potassium (K) and phosphate (P) of a fertilizer.
Opening of budsStage of growth, then opening of the bud, when growth starts in spring.
OrganicSubstances or products that have been obtained from only natural ingredients.
Organic GardeningGardening activities in which no synthetic products are used
Refers to a plant which lives more than three years under normal conditions
Permeable surfaceDriveways gravel, shale ... close to trees, shrubs, grass or solid.
Permitted usesCrop and disease / pest for which treatment is possible
Persistence of actionLength of time after application of a treatment plant is protected against attacks by pests and diseases
PesticideTerm for a substance or product to fight against pests, domestic animals, human and harvested products.
PestsTerm by which are meant the insects and animals damageable t to crops and plants.
Post-emergentTreatment applied after germination of weeds or crops.
Pre-emergentTreatment applied before germination of weeds or crops.
PreventiveSaid of a treatment to be performed before the plant is suffering from a disease or pest attack.
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
RejectionThis is a shoot that grows directly from the roots or under trees.
RepulsiveSubstance or product that has the ability to push more or less selectively in living organisms.
ResidualDescribes a substance (weed killer for example) that remains in the soil and acts on perennial roots to kill their seeds and shoots.
RhizomeThis 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, …
RodenticideSubstance or product has the property to kill rodents.
Season long herbicide
Refers to an herbicide that requires only an application per season; it to be applied at early springtime.
Young plant generated by the germination of the seed after emergence.
Soil-acting herbicideRefers to a product, for example an herbicide, applied to the soil and absorbed by the roots.
Sooty mouldFungus 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.
SpreadingDisperse on a regular basis a product (often pellets) on the ground.
SystemicDescribes a substance (product) that, after penetration into the plant, migrates within it.
Elements essential to plant, but in very small quantities, such as iron, boron, molybdenum etc ....