Plants
Articles about plant species, botany and vegetation.
Green manure
Green Manure: Soil-Building Cover Crops and Their Uses
Green roof
Green roof (living roof)
Grevillea
Groundskeeper
Guanacaste
Guanacaste (Enterolobium cyclocarpum): description, range, uses
Guarana
Guava
Guava (Psidium) — tropical fruit, plant characteristics, and uses
Gum arabic
Gymnocalycium
Gymnocalycium: the globular South American cacti
Gymnosperm
Gynoecium
Gynoecium: the female reproductive organ of flowering plants
The gynoecium is the collective term for the female reproductive structures of a flower, composed of one or more carpels that bear stigma, style and ovary, and that give rise to se
Habanero chili
Habanero chili (Capsicum chinense)
Haptophyte
Haptophyte (Prymnesiophyta): single-celled algae with a haptonema
Hardiness zone
Hardiness zone (plant hardiness and growing zones)
Hardwood
Harvest
Harvest: collecting crops and other cultivated resources
Hawthorn
Hay
Hay: dried forage for animal feed, storage, and common uses
Hazel
Hazel (Corylus): description, species, uses and ecology
Hedge
Hedge (hedgerow): definition, structure, history and ecological role
Heliantheae
Heliantheae — the sunflower tribe (Asteraceae)
Helichrysum
Helichrysum: the everlasting flowers of the daisy family
Heliconia
Heliconia — tropical flowering plants (lobster-claws, false bird-of-paradise)
Hellebore
Hellebore: winter-flowering perennials of the genus Helleborus
Hemp
Hemp: cultivation, uses, history, and distinguishing features
Henna
Henry Charles Andrews
Henry C. Andrews — English botanical artist, publisher and botanist (fl. 1794–1830)
Herb
Herbaceous plant
Herbal
Herbarium
Herbarium (botanical collection of preserved plant specimens)
Herbicide
Herbicide: types, mechanisms, history, uses and environmental effects
Hermann Muller
Hermann Müller and Hermann Muller: notable people sharing the name
Hesperis matronalis
Hesperis matronalis (Dame's Rocket): description, habitat, and identification
Hesperocallis
Hesperocallis — the desert lily: description, habitat and taxonomy
Heteropogon contortus
Heteropogon contortus — black speargrass (tanglehead)
Hibiscus
Hibiscus (rosemallow): overview, description, uses and cultural significance
Hibiscus syriacus
Hibiscus syriacus (Rose of Sharon): description, history, cultivation
Hibiscus trionum
Hibiscus trionum — bladder hibiscus, flower-of-an-hour
Hickory
Hoja santa
Hoja santa (Piper auritum) — the sacred leaf of Mexican cuisine
Holly
Holly (Ilex): description, ecology, uses and cultural significance
Honeyberry
Honeycrisp
Honeysuckle
Honeysuckle (Lonicera): description, distribution, uses and management
Hop
Hop (Humulus lupulus): the plant, its use in brewing and other meanings
Hops
Hops (Humulus lupulus): Characteristics, Cultivation, Uses, and History