Here you’ll find 33 Plants that start with K that begin with K, organized from “Hardy kiwi” to “Kumquat”. These include edible, ornamental and native species used in gardens and landscapes worldwide.

Plants that start with K are common garden, orchard and wild species whose English names begin with the letter K. A notable example is the hardy kiwi, a fruiting vine once cultivated in East Asia and now grown internationally.

Below you’ll find the table with Common name, Scientific name, USDA hardiness zones and Type.

Common name: Shows the familiar name you know, helping you locate plants fast in garden catalogs, labels and casual searches.

Scientific name: Gives the Latin binomial so you can confirm exact species identity and find detailed botanical information online.

USDA hardiness zones: Lists the typical USDA zone range so you can check which climates support outdoor survival.

Type: Identifies whether a plant is a tree, shrub, perennial, annual, succulent, grass, fern or vine, informing your landscape choices.

Plants that start with K

Common nameScientific nameUSDA hardiness zonesType
KalanchoeKalanchoe blossfeldiana9–11succulent
Kaffir limeCitrus hystrixtropicaltree
Kakadu plumTerminalia ferdinandianatropicaltree
Kangaroo pawAnigozanthos flavidus8–11perennial
Katsura treeCercidiphyllum japonicum4–8tree
Kousa dogwoodCornus kousa5–8tree
KiwifruitActinidia deliciosa7–9vine
Hardy kiwiActinidia arguta4–8vine
KudzuPueraria montana6–10vine
KumquatCitrus japonica8–11tree
KauriAgathis australisvariestree
KoaAcacia koatropicaltree
KinnikinnickArctostaphylos uva-ursi2–7groundcover shrub
King proteaProtea cynaroides9–11shrub
King palmArchontophoenix cunninghamiana9–11tree
Kentucky coffeetreeGymnocladus dioicus3–7tree
Kentucky bluegrassPoa pratensis3–7grass
KanukaKunzea ericoidesvariesshrub/tree
Kei appleDovyalis caffra9–11shrub/tree
Korean firAbies koreana4–7tree
Korean spice viburnumViburnum carlesii4–8shrub
Kaffir lilyClivia miniata9–11perennial
KiwanoCucumis metuliferustropicalannual vine
KowhaiSophora microphyllavariestree
KukuiAleurites moluccanustropicaltree
KavaPiper methysticumtropicalshrub
KratomMitragyna speciosatropicaltree
Kola nutCola nitidatropicaltree
KhatCatha edulis9–11shrub
KochiaBassia scoparia2–9annual/shrub
KerriaKerria japonica4–8shrub
KingcupCaltha palustris3–7perennial
Kaffir plumHarpephyllum caffrum9–11tree

Descriptions

Kalanchoe
Popular flowering succulent with long-lasting clusters of blooms; great as a houseplant or patio pot.
Kaffir lime
Aromatic citrus with bumpy fruit and fragrant leaves widely used in Southeast Asian cooking.
Kakadu plum
Australian native fruit exceptionally high in vitamin C, used fresh, in preserves, and nutraceuticals.
Kangaroo paw
Striking Australian perennial with velvety, paw-shaped flowers in bold reds, yellows, and greens.
Katsura tree
Deciduous ornamental with heart-shaped leaves that turn fragrant orange-red in autumn.
Kousa dogwood
Small ornamental tree with showy bracts, edible red fruits, and attractive exfoliating bark.
Kiwifruit
Fuzzy-skinned fruit vine producing sweet, green-fleshed kiwifruit for fresh eating and preserves.
Hardy kiwi
Cold-hardy, smooth-skinned kiwi producing small, delicious berries that can be eaten whole.
Kudzu
Very vigorous vine used for erosion control but invasive in many regions; fixes nitrogen.
Kumquat
Small citrus with edible sweet rind; eaten whole and used as a decorative, cold-tolerant citrus.
Kauri
Iconic New Zealand conifer valued for timber and ecological importance; slow-growing and long-lived.
Koa
Hawaiian native tree prized for strong, decorative timber and important cultural uses.
Kinnikinnick
Low evergreen groundcover with pink urn-shaped flowers and bright red berries.
King protea
Dramatic South African protea with very large sculptural flower heads, prized in floral design.
King palm
Elegant feather-leaved palm widely used in subtropical landscapes and avenues.
Kentucky coffeetree
Large tolerant tree with bipinnate leaves and distinctive seed pods; historic coffee substitute.
Kentucky bluegrass
Widely used lawn grass valued for fine texture, recovery ability, and cold tolerance.
Kanuka
New Zealand shrub or small tree with honey-scented white flowers; important for ecological regeneration.
Kei apple
Spiny fruiting shrub producing tart yellow-orange edible fruits used fresh or preserved.
Korean fir
Compact ornamental conifer with glossy needles and striking purple to brown cones.
Korean spice viburnum
Fragrant early-spring flowers followed by red fruit; a favorite for scent in small gardens.
Kaffir lily
Shade-loving bulbous perennial with clumps of orange trumpet-like flowers on stiff stalks.
Kiwano
Horned melon with bright orange skin and jelly-like green flesh; ornamental and edible.
Kowhai
New Zealand native with bright yellow pea-flowers important for native birds and spring interest.
Kukui
Candlenut tree with oily seeds used traditionally for lamps, oil, and in Pacific Island cuisine.
Kava
Pacific Island crop whose roots are brewed into a traditional calming ceremonial beverage.
Kratom
Southeast Asian tree whose leaves have stimulant and opioid-like compounds used traditionally and medicinally.
Kola nut
West African tree producing caffeine-rich nuts historically chewed or used in beverages.
Khat
East African and Arabian shrub with stimulant leaves chewed culturally for mild euphoria and alertness.
Kochia
Fast-growing ornamental or forage plant, drought tolerant and sometimes invasive in disturbed sites.
Kerria
Spring-flowering shrub with bright yellow pompom blooms and arching stems, low-maintenance and cheerful.
Kingcup
Marsh-dwelling buttercup with glossy yellow flowers in spring, excellent for wet gardens.
Kaffir plum
Southern African fruit tree with glossy leaves and small plum-like fruits used fresh or in preserves.
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