Flowers That Start With I
Discover 100+ flowers beginning with I — their names, meanings, origins, and unique characteristics.
Iberis amara
Commonly known as Wild Candytuft, this white-flowered plant is native to Europe and is often used in rock gardens for its fragrant, clustered blooms.
Iberis sempervirens
An evergreen perennial known as Evergreen Candytuft, featuring masses of pure white flowers that bloom in early spring, originating from Southern Europe.
Iberis umbellata
Known as Globe Candytuft, this annual plant produces rounded clusters of pink, purple, or white flowers and is a popular choice for colorful garden borders.
Iboza riparia
A shrubby plant native to tropical Africa, known for its spikes of small, pale blue or white flowers that appear in winter, often called the Ginger Bush.
Ice Plant
Refers to Delosperma cooperi, a succulent groundcover native to South Africa that produces vibrant, daisy-like magenta flowers and thrives in hot, dry conditions.
Iceland Poppy
Papaver nudicaule is a short-lived perennial native to subpolar regions, prized for its papery, cup-shaped flowers in shades of yellow, orange, white, and pink.
Icy Peak
A specific cultivar of the Helleborus orientalis, known for its pristine white, outward-facing flowers that bloom in late winter, symbolizing renewal and hope.
Idesia polycarpa
A deciduous tree native to East Asia, producing long, drooping panicles of greenish-yellow, fragrant flowers followed by clusters of bright red berries in autumn.
Iguanura
A genus of palms native to Southeast Asia that produces unique, small, inconspicuous flowers on spadices, often grown for their ornamental foliage in tropical climates.
Ilex aquifolium
Commonly known as English Holly, this plant produces small, inconspicuous white flowers in spring, followed by iconic bright red berries that are symbols of winter.
Ilex verticillata
Known as Winterberry, this deciduous holly native to North America produces tiny white flowers, but is most famous for its brilliant red berries that persist through winter.
Illicium floridanum
Known as Florida Anise, this evergreen shrub native to the southeastern United States features unique, star-shaped, deep maroon flowers with a distinct spicy fragrance.
Illicium verum
The Star Anise tree, native to Vietnam and China, produces pale yellow, star-shaped flowers that eventually develop into the culinary spice known as star anise.
Illumination Flame
A popular cultivar of Begonia, known for its cascading habit and vibrant, double orange-red flowers that are perfect for hanging baskets in shaded areas.
Impatiens balsamina
Commonly called Balsam or Touch-me-not, this annual plant features colorful, camellia-like flowers in shades of pink, red, and white, native to South and Southeast Asia.
Impatiens hawkeri
Known as New Guinea Impatiens, this tropical plant features large, vibrant flowers in shades of orange, red, and purple, often used for bedding in shaded gardens.
Impatiens walleriana
The classic Busy Lizzie, a popular garden flower native to East Africa, known for its prolific blooming in shades of red, pink, white, and violet.
Imperial Lily
A common name for Lilium regale, a majestic trumpet lily with white petals, a yellow throat, and a deep pink exterior, native to western China.
Incarvillea delavayi
Known as Hardy Gloxinia, this perennial native to China produces large, trumpet-shaped, rose-pink flowers that rise above fern-like foliage in late spring.
Incarvillea mairei
A low-growing perennial from the Himalayas, featuring showy, funnel-shaped, deep pink to crimson flowers that bloom close to the ground in rocky garden settings.
Indigofera australis
Known as Australian Indigo, this shrub produces racemes of pea-like, pink to purple flowers and is native to the diverse landscapes of Australia.
Indigofera tinctoria
The True Indigo plant, native to tropical Asia, produces small, pinkish-red, pea-like flowers and has been historically cultivated for the production of blue dye.
Inula helenium
Commonly called Elecampane, this tall perennial native to Europe and Asia features large, yellow, daisy-like flowers with thin, ray-like petals that bloom in summer.
Inula magnifica
A giant perennial native to the Caucasus, known for its massive, golden-yellow, sunflower-like blooms that can reach up to six inches in diameter.
Inula orientalis
A perennial plant from the Caucasus region, featuring bright orange-yellow flowers with distinct, narrow, shaggy petals that add texture to late summer borders.
Iochroma australe
A shrub native to South America, producing clusters of tubular, violet-blue flowers that hang gracefully from the branches, attracting hummingbirds to the garden.
Iochroma cyaneum
Known as the Violet Bush, this plant from the Andes features pendulous, trumpet-shaped flowers in deep purple, which are highly attractive to pollinators and birds.
Ionopsis utricularioides
A small, epiphytic orchid native to tropical America, known for its delicate, airy sprays of tiny, white to pale pink flowers that appear to float in the air.
Ipheion uniflorum
Commonly known as Spring Starflower, this bulbous plant from Argentina produces small, star-shaped, pale blue or white flowers that are sweetly fragrant in spring.
Ipomea alba
Known as the Moonflower, this night-blooming vine native to tropical America produces large, fragrant, white, trumpet-shaped flowers that open at dusk and close at dawn.
Ipomea batatas
While primarily grown for tubers, the ornamental sweet potato vine produces occasional, funnel-shaped, lavender-pink flowers similar to morning glories in warm climates.
Ipomea indica
Known as Blue Morning Glory, this vigorous vine native to tropical regions produces large, funnel-shaped, deep blue-purple flowers that bloom profusely in the morning sun.
Ipomea lobata
Commonly called Spanish Flag, this vine features unique, fiery racemes of flowers that transition from red to orange to yellow as they mature.
Ipomea nil
Known as the Japanese Morning Glory, this species is highly prized for its large, ruffled flowers in intense shades of blue, violet, and white.
Ipomea pes-caprae
Known as Beach Morning Glory, this creeping vine native to tropical coastlines features bright pink, trumpet-shaped flowers and is highly tolerant of salt spray.
Ipomea purpurea
The Common Morning Glory, a popular annual vine with heart-shaped leaves and funnel-shaped flowers in shades of blue, purple, pink, and white, native to Mexico.
Ipomea quamoclit
Known as Cypress Vine, this plant features delicate, fern-like foliage and small, star-shaped, bright red flowers that are highly attractive to hummingbirds.
Iresine herbstii
Known as Bloodleaf, this plant is primarily grown for its vibrant red foliage, but it also produces small, inconspicuous, greenish-white flowers in terminal clusters.
Iris 'Autumn Tryst'
A beautiful cultivar of Bearded Iris, featuring white petals with delicate, ruffled, violet-purple edges, creating a striking contrast in the spring garden.
Iris 'Black Knight'
A classic tall bearded iris cultivar known for its deep, velvety, near-black purple flowers that provide a dramatic focal point in any perennial border.
Iris 'Blue Rhythm'
A tall bearded iris cultivar with large, ruffled, cornflower-blue flowers that exude a classic elegance and are highly prized by collectors and gardeners alike.
Iris 'Butterscotch Kiss'
A unique bearded iris cultivar featuring ruffled, golden-brown flowers with a distinct, shimmering texture that catches the sunlight beautifully in the garden.
Iris 'Clarence'
A reblooming tall bearded iris cultivar, known for its pale blue and white bicolor flowers that offer a second display of color in the autumn.
Iris 'Dusky Challenger'
A highly acclaimed tall bearded iris with massive, deep purple-blue flowers that are known for their exceptional form and long-lasting blooming period.
Iris 'Edith Wolford'
A stunning tall bearded iris featuring ruffled, light blue standards and creamy yellow falls, creating a beautiful and harmonious color combination in the garden.
Iris 'Immortality'
A famous white reblooming bearded iris cultivar, known for its pure white, ruffled flowers that appear in spring and again in the late summer.
Iris 'Jane Phillips'
A classic tall bearded iris cultivar with clear, sky-blue flowers that have a delicate, ruffled appearance and a light, pleasant fragrance.
Iris 'Lady Friend'
A tall bearded iris cultivar featuring soft, coral-pink flowers with a hint of orange, creating a warm and inviting display in the late spring garden.
Iris 'Night Owl'
A deep, dark, velvety purple bearded iris cultivar that is nearly black, known for its intense color and strong, upright stems in the garden.
Iris 'Orange Harvest'
A reblooming bearded iris cultivar that produces vibrant, bright orange flowers, adding a splash of warm color to the garden in both spring and autumn.
Iris 'Queen of Angels'
A tall bearded iris cultivar known for its elegant, ruffled, pale lavender-blue flowers that evoke a sense of grace and serenity in the landscape.
Iris 'Raspberry Blush'
A bearded iris cultivar with vibrant, raspberry-pink flowers that feature a lighter, creamy center, creating a cheerful and eye-catching display in the garden.
Iris 'Silverado'
A tall bearded iris with large, ruffled, silvery-blue flowers that have a cool, sophisticated appearance, making it a favorite for modern garden designs.
Iris 'Stairway to Heaven'
A popular tall bearded iris with white standards and blue-violet falls, creating a classic and timeless look that is highly sought after by collectors.
Iris 'Sun City'
A bright and cheerful bearded iris cultivar with deep yellow flowers that seem to glow in the sunlight, adding warmth to any garden bed.
Iris 'Total Recall'
A reliable reblooming bearded iris with creamy white flowers that feature a subtle yellow throat, providing beauty throughout the growing season.
Iris chrysographes
A species of beardless iris native to China, known for its deep, velvety, near-black flowers with delicate gold veining on the falls.
Iris cristata
Known as the Crested Iris, this low-growing North American native features delicate, pale blue to violet flowers with a distinct yellow or white crest.
Iris danfordiae
A miniature bulbous iris native to Turkey, producing bright, lemon-yellow, fragrant flowers that bloom very early in the spring, often through the snow.
Iris ensata
Known as Japanese Water Iris, this species features large, flat, elegant flowers in shades of purple, blue, and white, thriving in moist, acidic soil.
Iris foetidissima
Commonly called Stinking Iris, this plant features dull, purplish-gray flowers, but is prized for its bright orange seeds that persist in pods through winter.
Iris germanica
The common Bearded Iris, a hybrid species known for its wide range of colors and the fuzzy 'beard' on the falls of its large, showy flowers.
Iris histrioides
A bulbous iris native to Turkey, known for its early-blooming, bright blue flowers with white and yellow markings, appearing before the foliage fully emerges.
Iris kaempferi
A synonym for Iris ensata, this Japanese iris is celebrated for its large, intricate, and often multi-colored flowers that are a staple of water gardens.
Iris laevigata
Known as the Rabbit-Ear Iris, this species is native to East Asia and features stunning, deep blue-purple flowers that thrive in very wet or boggy conditions.
Iris pallida
Known as Sweet Iris, this species is native to the Dalmatian coast and produces pale blue to lavender flowers, often grown for its fragrant rhizomes.
Iris pseudacorus
Commonly known as Yellow Flag, this vigorous iris native to Europe and Asia produces bright yellow flowers and is often found growing along pond edges.
Iris pumila
A dwarf bearded iris species native to Europe, known for its small stature and early-blooming, vibrant flowers in shades of purple, yellow, and blue.
Iris reticulata
A small, early-blooming bulbous iris native to the Caucasus, featuring deep violet-blue flowers with yellow markings that appear in late winter or early spring.
Iris sibirica
Known as Siberian Iris, this hardy species features slender, grass-like foliage and elegant, blue, purple, or white flowers that bloom in late spring.
Iris tectorum
Known as the Japanese Roof Iris, this species features broad, fan-like leaves and beautiful, flat, blue-violet flowers with a unique, crested pattern.
Iris unguicularis
Known as Winter Iris, this species is native to the Mediterranean and produces fragrant, lavender-blue flowers during the winter months when little else blooms.
Iris versicolor
Known as Northern Blue Flag, this North American native iris features beautiful, deep blue-violet flowers with yellow and white veining, thriving in wetlands.
Isatis tinctoria
Commonly known as Woad, this biennial plant produces clusters of small, bright yellow flowers and was historically used to produce a blue dye.
Ismene festalis
A hybrid bulbous plant known as the Peruvian Daffodil, featuring large, white, spider-like flowers with a central cup and long, curling petals.
Ismene hymenocallis
Often called the Spider Lily, this plant produces exotic, fragrant, white flowers with long, slender petals that give it a unique, architectural appearance.
Ismelia carinata
Known as Tricolor Chrysanthemum, this annual flower features daisy-like blooms with concentric rings of white, yellow, and deep red, native to North Africa.
Isoetes
Commonly known as Quillwort, these are primitive, spore-bearing plants that produce inconspicuous, grass-like structures rather than traditional flowers, often found in aquatic environments.
Isoloma
A genus of tropical plants related to African violets, producing tubular, hairy, brightly colored flowers in shades of red, orange, and yellow.
Isopogon anemonifolius
Known as the Drumsticks, this Australian native shrub produces unique, spherical, yellow flower heads that resemble pincushions, adding texture to the landscape.
Isopogon formosus
A shrub native to Western Australia, known for its stunning, deep pink, cone-shaped flower heads that are highly attractive to nectar-feeding birds.
Isotoma axillaris
Known as Rock Isotome, this Australian native features star-shaped, pale blue to violet flowers that bloom continuously throughout the warmer months of the year.
Isotoma fluviatilis
A low-growing, mat-forming plant known as Blue Star Creeper, featuring tiny, star-shaped, pale blue flowers that cover the foliage in a carpet of color.
Isotropis cuneifolia
Known as the Granny Bonnet, this Australian wildflower produces unique, pea-like flowers in shades of yellow and orange, often with dark red markings.
Itea ilicifolia
An evergreen shrub native to China, producing long, drooping racemes of small, fragrant, greenish-white flowers that resemble catkins in late summer.
Itea virginica
Known as Virginia Sweetspire, this shrub native to North America features long, arching racemes of fragrant, white flowers that bloom in early summer.
Ixia 'Blue Bird'
A cultivar of the African Corn Lily, featuring striking, deep blue flowers with a contrasting dark center, perfect for adding color to a sunny border.
Ixia 'Giant'
A cultivar of the Ixia genus, known for its large, pure white flowers with a dark, contrasting eye, native to the Cape region of South Africa.
Ixia 'Mazure'
A cultivar of the African Corn Lily, featuring vibrant, deep purple-pink flowers that bloom on slender, wiry stems in the late spring and early summer.
Ixia 'Spotlight'
A cultivar of Ixia known for its bright, multi-colored flowers with distinct, dark centers, creating a dramatic and eye-catching display in the garden.
Ixia flexuosa
A species of African Corn Lily native to South Africa, featuring delicate, pale pink to white, star-shaped flowers on slender, zigzagging stems.
Ixia maculata
A species of Ixia known for its bright yellow or orange flowers with a dark, contrasting center, native to the Western Cape of South Africa.
Ixia paniculata
A species of Ixia native to South Africa, known for its tall, slender spikes of creamy-yellow to pale orange, star-shaped flowers that are sweetly fragrant.
Ixia polystachya
A species of African Corn Lily that produces numerous, small, white to pale blue flowers on branched spikes, native to the Cape region of South Africa.
Ixia viridiflora
Known as the Turquoise Ixia, this rare species from South Africa features stunning, metallic turquoise-green flowers with a deep purple-black center.
Ixora 'Nora Grant'
A popular cultivar of the Jungle Geranium, known for its large, rounded clusters of vibrant, deep pink flowers that bloom almost year-round in tropical climates.
Ixora coccinea
Known as Jungle Flame or Flame of the Woods, this tropical shrub produces dense, rounded clusters of bright red, star-shaped flowers throughout the year.
Ixora finlaysoniana
A species of Ixora native to Southeast Asia, known for its large, fragrant, white flower clusters that are highly attractive to butterflies and other pollinators.
Ixora javanica
A tropical shrub native to Java, producing clusters of orange-red, tubular flowers that are a staple in tropical gardens for their long-lasting color.
Ixora macrothyrsa
A large, tropical shrub known for its massive, showy clusters of deep red flowers, often used as a hedge or focal point in warm-climate landscapes.
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