Complete Plant Guide
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🗺️ Plants by City4139 plants found
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Lobelia
Lobelia
Lobelia is a large genus of roughly 400 flowering plant species in the bellflower family (Campanulaceae), ranging from low-growing bedding annuals like Lobelia erinus to the herbaceous Lobelia inflata (Indian tobacco), historically used in traditional medicine. Most garden lobelias form compact mounds or trailing mats covered in small two-lipped flowers in shades of blue, purple, pink, white, and red, blooming from spring through fall. All parts of the plant contain the alkaloid lobeline and are toxic if ingested by humans and pets.
Water Lobelia
Lobelia dortmanna
Water lobelia is a small, evergreen aquatic perennial native to cold, nutrient-poor lakes across northern Europe and North America. It forms submerged rosettes of stiff, tubular leaves on the lake bottom, while slender flower spikes rise 10-30 cm above the surface in summer, bearing pale blue to white two-lipped flowers. Unusually, it draws most of its carbon dioxide from the sediment rather than the air, an adaptation that lets it thrive where few other plants can survive.
Edging lobelia
Lobelia erinus
Lobelia erinus is a delicate herbaceous plant, widely appreciated for its abundant blooms in vibrant shades of blue, purple, and white. Native to South Africa, it grows in low mounds or cascades, making it perfect for borders, window boxes, and hanging baskets. Although it is a perennial in tropical climates, it is often grown as an annual in cooler regions due to its sensitivity to extreme heat and frost.
Easter Lily Cactus
Lobivia ancistrophora
Lobivia ancistrophora is a small globular cactus native to Argentina and Bolivia, belonging to the Cactaceae family. It forms compact clumps of ribbed, dark green globes adorned with hooked central spines. In summer it produces spectacular large white fragrant flowers that open at night and last less than 24 hours, repeating several times throughout the season.
Spider Cactus
Lobivia arachnacantha
Lobivia arachnacantha is a small, globular to short cylindrical cactus from the Cactaceae family. It grows in clusters, producing numerous offsets over time. In spring and summer, large funnel-shaped flowers bloom during the day, typically in yellow or orange, and more rarely in white, red, or violet. This species is known for being very floriferous and is well-suited for beginners. It stores water in its body and survives dry periods without difficulty.
Sweet Alyssum
Lobularia maritima
Small annual herbaceous plant native to the Mediterranean, member of the Brassicaceae family. Cultivated as an ornamental for its profusion of tiny aromatic flowers in white, pink, purple, and lavender tones. Ideal for borders, containers, and ground cover in gardens. Blooms copiously during spring and summer, with a sweet fragrance reminiscent of honey and new-mown hay, attracting bees and butterflies.
Ryegrasses
Lolium
Lolium is the ryegrass genus, tufted grasses in the family Poaceae. They are native to Europe, Asia and North Africa and are now grown and naturalised around the world. The leaves are narrow, dark green and glossy underneath. In spring a flat spike appears, with the spikelets set edge-on along the stem, reaching about 1 metre. The two most planted species are perennial ryegrass (Lolium perenne), widely used in lawns and sports fields, and Italian or annual ryegrass (Lolium multiflorum), grown for winter grazing, silage and as a cover crop. Darnel, Lolium temulentum, the old weed of wheat fields, belongs here too. Ryegrass is not the same as rye, which is a grain crop.
Tall Fescue
Lolium arundinaceum
Tall Fescue (Lolium arundinaceum) is a robust cool-season perennial grass native to Europe and widely naturalized worldwide. Renowned for its deep root system — extending up to 3 feet — it is one of the most heat- and drought-tolerant cool-season grasses available. It forms dense clumps and grows vigorously in spring and fall, thriving in a wide range of soils and light conditions from full sun to partial shade. It is widely used for lawns, pastures, erosion control, and sports fields.
Perennial ryegrass
Lolium perenne
Perennial ryegrass (Lolium perenne) is one of the most widespread and important perennial turfgrasses in the world. A member of the Poaceae (grass) family, it is a bunch-forming perennial with dense, shiny, dark green leaves, growing to a height of 10–80 cm. Due to its outstanding wear tolerance and exceptional recovery capacity, it is extensively used on sports fields, airports, parks, and home lawns. With rapid germination (5–10 days) and a vigorous growth rate, it is one of the most reliable turf-forming grasses, while also serving as an important forage crop in agriculture.
Cretan Scabious
Lomelosia cretica
The Cretan Scabious (Lomelosia cretica, formerly known as Scabiosa cretica) is a low-growing, semi-evergreen perennial shrub in the honeysuckle family (Caprifoliaceae), native to the eastern Mediterranean basin, primarily the island of Crete. Its characteristic pincushion-shaped, lavender-pink flowers bloom from late spring to mid-summer above silvery gray-green, ovate-lanceolate leaves, held by white-tomentose stems. It is a drought-tolerant, sun-loving species best suited for rock gardens and Mediterranean-style plantings with well-ventilated, calcareous soil.
Honeysuckle
Lonicera
Lonicera, commonly known as honeysuckle, is a large genus of around 200 species in the family Caprifoliaceae, native to the Northern Hemisphere. The genus includes both climbing vines and shrubs, deciduous and semi-evergreen, prized for their tubular, often fragrant flowers, long bloom season, and ornamental berries. Species such as Lonicera periclymenum (European honeysuckle) and L. japonica (Japanese honeysuckle) are garden classics that attract pollinators, hummingbirds, and birds.
Italian Honeysuckle
Lonicera caprifolium
Lonicera caprifolium, commonly known as Italian honeysuckle or goat-leaf honeysuckle, is a vigorous deciduous climbing vine native to Europe, from Norway south to Spain and east into the Caucasus. It is celebrated for its exceptionally fragrant tubular flowers in shades of cream, white, and pink, which are especially intoxicating at dusk and dawn. A classic cottage garden plant, it twines readily over pergolas, fences, and trellises, attracting bees, butterflies, and hummingbirds.
Japanese Honeysuckle
Lonicera japonica
Lonicera japonica, commonly known as Japanese Honeysuckle, is a vigorous, twining, woody vine native to eastern Asia. It produces intensely fragrant tubular flowers that open white and fade to golden yellow, attracting hummingbirds and butterflies. While beloved for its sweet scent and ornamental value, it is classified as an invasive species in many regions outside its native range due to its rapid, aggressive growth.
Morrow's honeysuckle
Lonicera morrowii
Lonicera morrowii is a shrubby honeysuckle in the family Caprifoliaceae, native to Japan, Korea and northeast China. It grows as a dense, multi-stemmed bush 2 to 3.5 metres tall and about as wide. The leaves are oval, 4 to 6 cm long, grey-green and softly hairy underneath, and they come out in spring a week or two before most other shrubs. In May it opens fragrant tubular flowers in pairs, white at first and turning yellow with age. Red berries follow in summer, also in pairs, and birds eat them and spread the seeds. Older stems are hollow inside. In the northeastern and midwestern United States it has escaped from gardens and become a serious invasive, forming thickets along woodland edges, roadsides and old fields.
Boxleaf Honeysuckle
Lonicera nitida
Lonicera nitida, commonly known as Boxleaf Honeysuckle, is a fast-growing evergreen shrub native to China. It is widely valued in horticulture for its dense, small-leaved foliage that responds exceptionally well to clipping and shaping. Frequently used for hedging, topiary, ground cover, and border planting, it produces small, fragrant white flowers in spring followed by blue-purple berries.
European Honeysuckle
Lonicera periclymenum
Lonicera periclymenum, commonly known as European Honeysuckle or Woodbine, is a vigorous deciduous climbing vine native to Europe and Western Asia. Celebrated for its intensely fragrant tubular flowers that transition from creamy white and pink to golden yellow, it blooms from late spring through summer, attracting bees, moths, and butterflies. Its twining stems can reach 7 metres, making it ideal for covering trellises, fences, and pergolas. The plant produces small red berries in autumn that are attractive to birds but mildly toxic to humans and pets.
Tatarian Honeysuckle
Lonicera tatarica
Tatarian honeysuckle (Lonicera tatarica) is a fast-growing deciduous shrub in the Caprifoliaceae family, native to Central Asia and southern Siberia. It typically reaches 2-3 m tall and wide, with oval blue-green leaves and fragrant, tubular pink-to-white flowers that bloom in late spring, followed by round red-to-orange berries in summer. Long valued as an ornamental hedge and screening plant for its dense growth and early flowering, it has since escaped cultivation across much of the northeastern and midwestern United States and eastern Canada, where it is classified as invasive: it leafs out earlier and drops leaves later than native shrubs, shading out spring wildflowers and outcompeting native understory vegetation. Its berries, while attractive to birds that spread the seeds widely, are mildly toxic to humans and pets if eaten in quantity.
Golden Chain Tree
Lophantera lactescens
The Golden Chain Tree (Lophantera lactescens) is a stunning ornamental tree native to the Brazilian Amazon rainforest, belonging to the family Malpighiaceae. It is renowned for its spectacular long, pendulous inflorescences of bright yellow flowers that cascade downward like golden chains. Growing 10–20 metres tall with a dense pyramidal canopy, it is widely planted as a street tree and landscape specimen across tropical regions worldwide.
Mexican Fencepost Cactus
Lophocereus marginatus
The Mexican Fencepost Cactus (Lophocereus marginatus) is a tall columnar cactus native to Mexico, traditionally used as a living fence in rural areas. Its upright, spine-laden stems form effective natural barriers. It grows rapidly, potentially exceeding 20 feet, and produces small pinkish-red flowers in spring and summer.
Peyote
Lophophora williamsii
Peyote (Lophophora williamsii) is a small, spineless, globose cactus native to the limestone deserts of northern Mexico and southern Texas within the Chihuahuan Desert region. It reaches only 2–7 cm in height and 4–12 cm in diameter, featuring a surface divided into rounded ribs and tufts of woolly hair (areoles) instead of spines. It grows extremely slowly, taking years to reach maturity and bloom with small pink, white, or yellowish flowers between spring and summer. It is primarily known for containing mescaline and other psychoactive alkaloids in its tissues, which is why its possession and cultivation are subject to legal restrictions in many countries.
Climbing Snapdragon
Lophospermum erubescens
Lophospermum erubescens, also known as climbing snapdragon or Mexican twist, is a tender perennial climber native to the mountainous regions of Mexico, often grown as an annual in colder climates. Related to snapdragons (Antirrhinum), the plant features heart- to triangular-shaped, hairy leaves and large, pink to white trumpet-shaped flowers that bloom from spring to fall and attract hummingbirds. Its twining leaf stalks make the plant well-suited for trellises, hanging baskets, and training along fences and lattices.
Chinese Fringe Flower
Loropetalum chinense
The Chinese fringe flower (Loropetalum chinense) is an evergreen shrub in the Hamamelidaceae family, native to China, Japan, and northern India. It is highly valued in ornamental gardening for its striking ribbon-like or fringed flowers, which bloom in clusters toward the end of winter and early spring, and for its foliage, which in popular varieties (such as var. rubrum) takes on deep purple or burgundy tones under direct sunlight. With a medium growth rate and compact habit, it is commonly used as a hedge, specimen shrub, or border plant in temperate to warm climate gardens.
Bird's-Foot Trefoil
Lotus
Bird's-Foot Trefoil (Lotus) is a low-growing perennial wildflower in the pea family (Fabaceae), native to temperate Eurasia and North Africa. It forms spreading mats of bright yellow-orange flowers from late spring through summer, attracting bumblebees and butterflies. Exceptionally drought-tolerant, it thrives in poor soils and can fix atmospheric nitrogen through root symbionts, making it valuable for meadow restoration and erosion control.
Parrot's Beak
Lotus berthelotii
Lotus berthelotii, commonly known as Parrot's Beak, is a trailing perennial native to the Canary Islands and Cape Verde. It produces striking scarlet, claw-shaped flowers that resemble a parrot's beak, set against fine silvery foliage. A favourite for hanging baskets and garden walls.
Greater Bird's-foot Trefoil
Lotus pedunculatus
Greater bird's-foot trefoil (Lotus pedunculatus) is a herbaceous perennial legume native to Europe, found in damp meadows, wet ditches, marshes and riverbanks. It differs from related trefoils by its always-hollow stem and reflexed sepals. It bears clusters of golden-yellow flowers and, as a nitrogen-fixing legume, is valued both as a forage crop and as a wildlife-friendly ornamental for wet gardens and pond margins.
Narrow-leaved bird's-foot trefoil
Lotus tenuis
Lotus tenuis, commonly called narrow-leaved bird's-foot trefoil, is a low-growing perennial legume in the pea family (Fabaceae), closely related to Lotus corniculatus. Native to Europe and southwestern Asia and now naturalized worldwide, it forms compact, bushy clumps 30-45 cm tall with slender, hairless leaflets and clusters of bright yellow flowers that fade to orange-red with age. As a nitrogen-fixing legume it improves soil fertility naturally and is prized for pollinator-friendly meadows, erosion control, and low-input forage plantings.
Jewel Orchid
Ludisia discolor
Ludisia discolor, commonly known as the Jewel Orchid, is a terrestrial orchid prized for its stunning velvety foliage rather than its flowers. Native to the tropical forests of Southeast Asia, this orchid features deep green to nearly black leaves adorned with shimmering gold, red, or pink veins and burgundy undersides. Unlike most orchids, it grows in soil rather than on trees, spreading via creeping rhizomes to form dense, elegant clumps.
Water Primrose
Ludwigia
Ludwigia is a genus of about 82 water and marsh plants in the evening primrose family. They grow worldwide, mostly in the tropics. The flowers are usually yellow with 4 or 5 petals, and the stems are often red. Some species float or form mats on the water, while others stand upright at the edge. Several are sold for aquariums because their leaves turn red or orange in good light. Others have become serious weeds in rivers and lakes.
Mexican Primrose-Willow
Ludwigia octovalvis
Ludwigia octovalvis, commonly known as the Mexican primrose-willow, is a perennial plant in the Onagraceae family, native to tropical and subtropical regions worldwide. It grows naturally along riverbanks, marshes, rice paddies, ditches, and wetlands, reaching up to 3 meters in height. Its erect, branched stems become woody at the base, while the lanceolate, glossy leaves add elegance to the plant's stature. The four-petaled yellow flowers are numerous and appear along the branches during spring and summer, attracting pollinators such as bees and insects. It is widely used in ethnomedicine by Asian, African, and American communities to treat gastrointestinal conditions, rheumatism, diabetes, and skin problems.
Angled Luffa
Luffa acutangula
Angled Luffa (Luffa acutangula) is a fast-growing annual climbing vine in the Cucurbitaceae family, native to tropical Asia. Its young fruits are a popular vegetable in Asian cuisine, while mature fruits develop internal fibrous networks used as natural sponges. It thrives in warm, humid climates with full sun exposure.
Sponge Gourd
Luffa aegyptiaca
Luffa aegyptiaca, commonly known as Sponge Gourd or Smooth Loofah, is a vigorous annual climbing vine in the Cucurbitaceae family, native to South and Southeast Asia. Widely cultivated throughout the tropics, it is prized for its fibrous mature fruits that dry into natural sponges used for bathing and cleaning. The plant produces showy bright yellow flowers and can reach up to 9 meters in length with proper support.
Honesty
Lunaria
Honesty (Lunaria annua) is a biennial member of the Brassicaceae (cabbage) family, grown in gardens worldwide for its fragrant pink, purple, and white spring flowers and, above all, for its translucent, silvery seed pods that resemble coins or full moons. Native to southeastern Europe and western Asia, the plant spends its first year as a low rosette of leaves and only flowers in its second year, reaching 60-90 cm tall. After flowering, the flat green seed pods mature and shed their outer layers, revealing a papery, shimmering inner septum prized in dried floral arrangements.
Honesty
Lunaria annua
Honesty (Lunaria annua) is a cottage-garden biennial in the mustard family, grown for its purple-to-white spring flowers and, later, its papery, translucent, coin-shaped seed pods that are prized in dried arrangements.
Lupine
Lupinus hybridus
Lupinus hybridus, commonly known as Lupine or Garden Lupine, is a herbaceous plant belonging to the Fabaceae family. It produces striking vertical flower spikes in shades of blue, purple, pink, white, and yellow, making it one of the most spectacular flowering plants in the garden. A product of hybridization between American and Mediterranean species, the hybrid lupine is widely prized in landscaping for its bold beauty and abundant spring and summer blooms.
Perennial Lupine
Lupinus polyphyllus
Lupinus polyphyllus, commonly known as perennial lupine or bigleaf lupine, is a perennial herbaceous plant belonging to the Fabaceae family, native to western North America. It is distinguished by its large palmate leaves composed of 9 to 17 velvety leaflets and its majestic upright flower spikes that can reach 120 cm in height. Its butterfly-shaped flowers come in a wide range of colors, from blue to purple, as well as pink, white, red, and yellow. As a nitrogen-fixing plant thanks to its symbiotic root nodules, it naturally enriches poor soils while offering a remarkable floral display from spring to summer.
Flaming Sword Bromeliad
Lutheria
Lutheria is a genus of striking epiphytic bromeliads native to the tropical forests of Venezuela and Trinidad. Best known for its dramatic sword-shaped flower bract that blazes red, orange, and yellow, Lutheria splendens is the most popular species grown as an ornamental houseplant. As an epiphyte, it grows anchored to trees rather than soil, absorbing water and nutrients through its central cup and leaf scales.
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