GALL – the unusual and abnormal growth on a plant caused by insects, bacteria and fungi.
GENUS – is the way of naming the plants.
GERMINATE – the process of transforming the seed’s embryo into a seedling.
GIRDLING – The choking of a branch by a wire or other inflexible material that occurs in woody stemmed plants that were tied down too tightly to a stake or support.
GLASSHOUSE – is what the British called for a greenhouse.
GRAFTING - The uniting of a short length of stem of one plant onto the root stock of a different plant. Often done to produce a hardier or more disease resistant plant.
GRANULAR FERTILIZER – Dry fertilizer in pellet form.
GREENHOUSE – A glass building that controls the temperature, humidity, with the right sunlight.
GREEN MANURE – A crop that is grown and mixed to the soil to fertilized it.
GROUND COVER - Plants that cover bare earth and create a uniform appearance.
GROWTH REGULATOR – Commercial chemical to dwarf a plant.
GYPSUM – A mineral of calcium sulfate that is added to the soil. It helps to improve clay soil structure.
HABIT – Plants grow vertically, laterally, or rounded.
HALOPHYTE – Plants that can accept less or more salt in the soil.
HARDEN OFF – The gradual adjustment of greenhouse or any indoor plants to a colder condition.
HARDINESS – The ability of the plant to tolerate a low temperature or frost without artificial protection.
HARDPAN – Compacted soil from construction. Water will run off and plant roots can not penetrate the layer
HARDSCAPE – A name given to garden structures and features.
HEADING BACK – Cutting an old branch or stem to a stub or twig.
HEAVING – Is when the soil buckles upward caused by climate change.
HEDGE – Suitable trees, shrubs, or bushes planted relatively close together so that the branches will intertwine to provide a barrier fence for a windbreaker or privacy.
HEEL CUTTING – Cutting of the side branch into smal pieces of the main stem.
HEELING IN – A temporary planting form until plants can be put in its permanent place. The plant will benefit from the soil temperature.
HERB – Plants that are mostly medicinal or flavoring qualities, or its scented foliage.
HERBARIUM – A museum of collections of dried specimens
HERBACEOUS – A non-woody stem plant.
HERBICIDE – Any chemicals that will kill plants. T
HIGH SHADE -It is the shade beneath trees that have been cut back to get some light in.
HONEY DEW – The sweet and sticky syrup secreted by aphids and other sap-sucking insects.
HORTICULTURE – The art and science of gardening.
HOST – Any plant material that will supports parasite.
HUMUS – This is the black or brown organic residue of decayed vegetable, leaves and other matter in the soil.
HYBRID – The offspring of two different varieties or species.
HYDROPONICS – A method of growing a plant in water containing dilute nutrients.
IKEBANA – The Japanese term for formal flower arranging. S
INDIGENOUS – Plant species that are native to that region.
INFERTILE – Soil that has no nutrients.
INFLORESCENCE – The arrangement of flowers on the stem.
INORGANIC – A chemical or fertilizer which is not obtained from a source which is or has been alive.
INSECTICIDE – A synthetic or organic chemical used to kill or repel insects.
INSECTIVOROUS PLANT – Other term for carnivorous plants.
INSITU – The act of sowing seeds or cuttings in the ground where they are to grow.
INVASIVE – Plant that spread quickly and crowd out other plants.
KERNEL – Edible part of nut.
KNOT GARDEN – A garden of small dwarf shrubs or even herbs.