- Gardening Australia - Gardening in Alaska - Gardening in New Zealand - Gardening in restricted spaces - Gardening in Scotland - Gardening in Spain - Gardening Naturally - Gardens of ancient Egypt - Gardens of Provence-Alpes-Côte d'Azur - Gardens of Sallust - Gardens of the French Renaissance - Gardens of Versailles - Gazebo - Genetically modified tree - German garden - Germination - Giardino all'italiana - Gloriette - Gongshi - Grafting - Grafting wax - Grandi Giardini Italiani - Grasscycling - Grass shears - Grass stitcher - Gravel - Greek gardens - Greenhouse - Green roof - Green wall - Green waste - Grex - Grotto - Groundcover - Groundskeeping - Growbag - Grow box - Growing degree-day - Growing region - Growing season - Grow shop - Grow light - Growroom - Growstones - Guerrilla gardening - Gumbo H Haga trädgård - Ha-ha - Halophyte - Hameau de la Reine - Hampton Court Palace Flower Show - Hand tool - Hanging basket - Hanging garden - Hanging Gardens of Babylon - Hardiness - Hardiness zone - Hard landscape materials - Hardscape - Hardpan - Head gardener - Hedge - Hedgelaying - Hedge maze - Hedge trimmer - Heirloom plant - Herb - Herbaceous border - Herbaceous plant - Herbal - Herbalism - Herbal tea - Herbarium - Herbchronology - Herb farm - Herbicide - Heritage gardens in Australia - Hilling - Historical hydroculture - History of fertilizer - History of flower arrangement - History of gardening - History of herbalism - History of landscape architecture - History of plant breeding - History of plant systematics - Hoe - Hook - Horaisan - Hori hori - Horticultural botany - Horticultural fleece - Horticultural flora - Horticultural oil - Horticultural society - Horticultural therapy - Horticulture - Horticulture industry - Horti Fair - Horti Lamiani - Hortus conclusus - Hotbed - Hot container composting - Houseplant - Houseplant care - Hügelkultur - Human uses of plants - Hybrid name - Hybrid seed - Hybrid tea rose - Hydroponics - Hydroseeding - Hydrozoning I Ice pruning - Ikebana - Indigenous horticulture - Inflorescence - Infructescence - Insectary plant - Integrated pest management - Intensive gathering - Intercropping - Intercultural Garden - International Code of Nomenclature for algae, fungi, and plants - International Code of Nomenclature for Cultivated Plants - International Garden Festival - Introduced species - Invasive species - Iron deficiency