Complete Plant Guide
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🗺️ Plants by City4122 plants found
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Climbing hydrangea
Hydrangea anomala
Hydrangea anomala is a deciduous, self-clinging climbing vine native to Japan, China, Korea and eastern Siberia. It attaches to walls, fences and trees using aerial rootlets, producing broad, glossy dark-green leaves and flat lacecap flower heads of small fertile florets ringed by showy white sterile ones in late spring to summer.
Smooth Hydrangea
Hydrangea arborescens
Hydrangea arborescens, commonly known as Smooth Hydrangea or Wild Hydrangea, is a deciduous shrub native to the eastern United States. The 'Annabelle' cultivar is iconic for its massive, globe-shaped white flower heads reaching up to 30 cm across. Hardy to USDA zone 3, it is one of the most cold-tolerant hydrangeas available.
Bigleaf Hydrangea
Hydrangea macrophylla
Hydrangea macrophylla, commonly known as Bigleaf Hydrangea, is a deciduous flowering shrub native to Japan. It is celebrated for its large, rounded flower clusters that dramatically change color — from pink to blue — based on the pH of the soil. This versatility and visual impact make it one of the most popular ornamental shrubs in gardens worldwide.
Panicle Hydrangea
Hydrangea paniculata
Hydrangea paniculata, commonly known as Panicle Hydrangea, is a deciduous shrub native to China, Japan, and Russia. It is celebrated for its large cone-shaped flower clusters (panicles) that bloom from mid-summer through fall, transitioning from creamy white to shades of pink. It is the most sun-tolerant and cold-hardy hydrangea species.
Mountain Hydrangea
Hydrangea serrata
Hydrangea serrata, commonly known as mountain hydrangea, is a compact deciduous shrub native to the mountainous regions of Korea and Japan. It produces elegant lacecap flower heads in shades of blue, pink, white, and lavender, with colour determined by soil pH. Growing slowly to about 120 cm tall and 150 cm wide, it is prized for its delicate texture, long summer-to-fall bloom period, and adaptability to woodland and cottage garden settings.
Frogbit
Hydrocharis
Hydrocharis is a small genus of five free-floating aquatic plants in the frogbit family (Hydrocharitaceae), found across Europe, Asia, parts of Africa, New Guinea and the Americas. The one usually grown in garden ponds is European frogbit, Hydrocharis morsus-ranae: rosettes of round to kidney-shaped glossy leaves about 3 cm across, often reddish underneath, floating on the surface with long dangling roots. Plants spread quickly by runners into mats 0.5-1 m wide but stay only about 10 cm tall. In summer they bear three-petalled white flowers, 2-3 cm across, with a yellow spot at the base of each petal; male and female flowers grow on separate plants. In autumn the plant dies back and survives the winter as small dormant buds (turions) that sink to the bottom and float up again in spring. In warmer parts of Asia its relative Hydrocharis dubia plays the same role in ponds and paddies.
Pennywort (genus)
Hydrocotyle
Hydrocotyle is a genus of more than 280 species of low, creeping perennials of water and wet ground in the family Araliaceae (formerly placed in the carrot family, Apiaceae), found in tropical and temperate regions worldwide. Long stems run over soil or water and root at the nodes, forming dense mats; the leaves are round to kidney-shaped with scalloped edges, often attached at the centre like tiny umbrellas, and the tiny white flowers are borne in umbels. They grow in ponds, rivers, marshes and damp lawns. Several are grown in aquariums, paludariums and ponds, including H. leucocephala (Brazilian pennywort), H. verticillata (whorled umbrella plant) and H. tripartita; H. ranunculoides (floating pennywort) is a serious invasive in Europe.
Largeleaf pennywort
Hydrocotyle bonariensis
Hydrocotyle bonariensis is a creeping perennial herb in the family Araliaceae, native to the Americas from the southeastern United States to Argentina, and now naturalised in parts of Africa, Europe and Australia. Its hairless stems run along the ground, root at the nodes and spread by rhizomes into mats. The leaves are round, with the stalk attached at the centre like an umbrella, 5 cm or more across with scalloped edges. From spring to fall, small creamy-white flowers appear in tiered umbels on stalks up to 30 cm tall. It grows in damp, sandy places: ditches, marshes, pond edges and coastal dunes where the water table is close to the surface. The leaves are edible and used in folk medicine.
Marsh pennywort
Hydrocotyle vulgaris
Marsh pennywort (Hydrocotyle vulgaris) is a low, creeping perennial of the family Araliaceae, native to wet meadows, bogs, and pond margins across Europe. Its rounded, umbrella-shaped leaves form a dense mat that spreads readily over saturated soil or shallow water, making it a popular marginal plant for ponds and bog gardens.
Yellow Cup Fungus
Hydropisphaera peziza
Hydropisphaera peziza is a species of ascomycete fungus characterized by its tiny, cup-shaped fruiting bodies (perithecia), which are generally pale yellow to orange in color. They typically grow on decaying wood or on other fungi, preferring extremely humid and shaded environments in temperate and tropical forests.
Persistent Waxcap
Hygrocybe acutoconica
Hygrocybe acutoconica, commonly known as the Persistent Waxcap, is a striking mushroom characterized by its bright yellow to orange-yellow conical cap. The cap is often slimy or viscid when moist and maintains its pointed shape even as it matures. It is typically found in unimproved grasslands, dunes, and woodland edges. As a fungal species, it does not possess foliage or flowers but produces spores for reproduction.
Dwarf Hygrophila
Hygrophila polysperma
Hygrophila polysperma is an aquatic plant in the Acanthaceae family, native to India and other areas of South and Southeast Asia. Since 1945, it has been very popular in the aquarium hobby due to its rapid growth and extreme hardiness. It features upright stems with opposite leaves of a bright green color that can turn pink or orange near the light source. It reaches approximately 10-18 inches (25-45 cm) in cultivation. Warning: In some regions, such as Florida and other US states, it is considered an invasive species and its import and sale are prohibited; therefore, it must never be released into natural waterways.
False Chanterelle
Hygrophoropsis aurantiaca
Hygrophoropsis aurantiaca, commonly known as the False Chanterelle, is a species of fungus that closely resembles the prized edible Chanterelle. It features a funnel-shaped cap with a distinct orange to yellow-orange hue and decurrent, crowded gills that fork repeatedly. While it is often found in coniferous and deciduous woodlands across Europe and North America, it is primarily a saprotrophic fungus, breaking down organic matter such as pine needles and decaying wood.
Red Pitaya
Hylocereus costaricensis
Red Pitaya (Hylocereus costaricensis) is a climbing cactus native to Costa Rica and Central America, prized for its intensely red, sweeter-tasting flesh compared to the white-fleshed variety. This succulent vine has triangular, fleshy stems that climb using aerial roots and needs a trellis or support to thrive. It produces enormous white flowers that bloom only at night and wilt by morning, followed by pink-skinned fruit covered in leathery scales that reveal a vivid ruby pulp dotted with tiny edible black seeds.
Guatemalan Dragon Fruit
Hylocereus guatemalensis
Hylocereus guatemalensis (now often treated as Selenicereus guatemalensis) is an epiphytic climbing cactus native to Guatemala, El Salvador and southern Mexico. It has green, fleshy, three-ribbed leafless stems that cling to trees and walls with aerial roots and can exceed 5 m. Its large, fragrant white flowers open only at night and last a single night. The fruit is a deep pink, scaly berry with sweet, edible purple flesh.
Dragon Fruit
Hylocereus undatus
The dragon fruit (Hylocereus undatus) is an epiphytic climbing cactus native to Central America and Mexico, now widely cultivated in tropical and subtropical regions for its exotic fruits with pink skin and white pulp speckled with black seeds. Its green, triangular, and succulent stems grow like vines, clinging to trees, walls, or trellises via aerial roots. At night, it produces massive, fragrant white flowers that open for only a few hours, earning it the nickname 'Queen of the Night'.
Mountain fern moss
Hylocomium splendens
Mountain fern moss (Hylocomium splendens) is a prominent moss in the Hylocomiaceae family, forming dense, shimmering, olive- or yellow-green mats with a characteristic tiered (stair-step) structure—each annual growth segment emerges from the center of the previous year's shoot, creating distinct steps. The stems, reddish at the base, reach 10-20 cm in length and are bipinnately branched. This moss lacks true roots; it attaches to the substrate via rhizoids and absorbs water and nutrients through its entire surface. It is a common species in boreal coniferous and mixed forests of the Northern Hemisphere. It prefers nutrient-poor, acidic forest soils, growing on earth, humus, and decaying wood in shaded areas.
Autumn Joy Sedum
Hylotelephium
Hylotelephium is a genus of succulent perennial plants in the family Crassulaceae, formerly classified under Sedum. Commonly known as Autumn Joy Sedum or showy stonecrop, these plants are beloved for their fleshy, blue-green leaves and large, dome-shaped flower heads that emerge in late summer and persist through fall, providing late-season interest in the garden. Native to Asia and Europe, they are exceptionally hardy, drought-tolerant, and attract butterflies, bees, and other pollinators in abundance.
Autumn Joy Stonecrop
Hylotelephium 'Autumn Joy'
Hylotelephium 'Autumn Joy', also sold as Sedum 'Autumn Joy' or 'Herbstfreude' (German for autumn joy), is a hybrid cultivar of Hylotelephium spectabile and H. telephium; the RHS now lists it as Hylotelephium × mottramianum 'Herbstfreude'. It is a clump-forming succulent perennial about 60 cm tall and wide, with thick stems and fleshy grey-green leaves. From late summer into autumn it opens large flat heads of starry flowers that keep changing colour: greenish-pink buds turn pink, deep pink and coppery red, and the dried heads turn brown and stand through winter. Bees and butterflies love it. The top growth dies back in winter and returns in spring.
Great Stonecrop
Hylotelephium maximum
Hylotelephium maximum, commonly known as great stonecrop or orpine, is a robust, clump-forming succulent perennial in the Crassulaceae family native to Europe, the Caucasus, and western Siberia. It forms upright, fleshy stems 30-80 cm tall arising from a tuberous rootstock, with broad, opposite, grey-green succulent leaves. In late summer and autumn (September-October) it produces dense, flattened clusters of small creamy-white to pale pink flowers that attract bees and butterflies. Long treated as a subspecies of Hylotelephium telephium (as Sedum maximum), it thrives on dry, stony, calcareous slopes and forest edges at elevations up to 2,500 m, and is prized in gardens for its drought tolerance and low-maintenance nature.
Showy Stonecrop
Hylotelephium spectabile
Hylotelephium spectabile, commonly known as Showy Stonecrop or Ice Plant, is a hardy succulent perennial native to China and Korea. It forms upright, clumping mounds of fleshy, blue-green leaves topped with flat-topped clusters of star-shaped pink flowers in late summer and fall — a magnet for butterflies and bees.
Orpine
Hylotelephium telephium
Orpine (Hylotelephium telephium) is a hardy Eurasian succulent perennial celebrated for its fleshy blue-green foliage and dense clusters of star-shaped flowers in shades of pink and purple from midsummer to autumn. Exceptionally drought-tolerant and cold-hardy to USDA zone 3, it thrives in sunny borders, rock gardens, and dry landscapes.
Jatoba
Hymenaea courbaril
The jatoba is a tree native to Brazil and other tropical regions of the Americas, found in the Amazon, Cerrado, Atlantic Forest, Caatinga, and Pantanal. When cultivated, it typically reaches 26 to 50 feet in height, with a wide and dense canopy. The leaves are bifoliate, leathery, and sickle-shaped. The flowers are white to cream-colored and appear between September and November. The fruits are woody pods containing a mealy, sweet pulp surrounding the seeds. The wood is dense and highly valued, and its resin is known as copal.
Spider Lily
Hymenocallis
Hymenocallis, commonly known as spider lily, is a bulbous perennial genus in the Amaryllidaceae family, prized for its fragrant, spidery white flowers with long ribbon-like petals. Native to the tropical and subtropical Americas, these evergreen to semi-evergreen plants form clumps of strap-shaped leaves and thrive in warm, humid climates near coastlines, wetlands, or well-drained garden beds.
Beach Spider Lily
Hymenocallis littoralis
The Beach Spider Lily (Hymenocallis littoralis) is a perennial bulbous plant in the Amaryllidaceae family, native to the tropical and subtropical coastal regions of the Americas, from the southeastern United States to South America. It produces fragrant, elegant white flowers with long, slender petals resembling spider legs, rising above glossy dark-green strap-like foliage. Highly valued in coastal and tropical gardens for its ornamental beauty and salt-spray tolerance.
Rooting Shank
Hymenopellis radicata
Hymenopellis radicata, also known as the Rooting Shank, is an edible mushroom characterized by its long, spindle-shaped stem that extends deep into the ground to decaying roots of deciduous trees. When wet, the cap is distinctly slimy, wrinkled, and colored in brownish to olive tones. It is a fascinating species that indicates the presence of old beech wood beneath the forest floor.
Nut Disco
Hymenoscyphus fructigenus
Hymenoscyphus fructigenus is a small saprophytic ascomycete fungus that develops specifically on decaying oak acorn cups, beech mast, or hazelnuts. It appears as tiny whitish to yellowish discs supported by a short stalk.
Bottle palm
Hyophorbe lagenicaulis
The bottle palm (Hyophorbe lagenicaulis) is a solitary palm from the Arecaceae family, endemic to Round Island in the Mascarene Islands (Mauritius). It is famous for its smooth, grayish trunk, which is swollen in a bottle shape at the base and tapers toward the crown, supporting a small canopy of 4 to 8 deep green pinnate leaves (young plants often show reddish or orange tones). A slow-growing species, fewer than 10 adult specimens remain in the wild, making it critically endangered, although its ornamental cultivation is widespread in tropical and subtropical climates worldwide.
St. John's Wort
Hypericum
Hypericum is a large genus of herbaceous perennials and low shrubs prized for their bright golden, five-petaled flowers with a prominent burst of stamens. Blooming mainly through spring and summer, the genus is tough, drought-tolerant once established, and adaptable to a wide range of soils, making it equally popular as a garden ornamental and as a traditional medicinal herb.
Tall Tutsan
Hypericum × inodorum
Hypericum × inodorum is a shrub in the St John's wort family (Hypericaceae), a fertile garden hybrid between Hypericum androsaemum and Hypericum hircinum. It is native to western Europe and the Mediterranean (France, Italy and Spain) and has naturalised in Portugal, Madeira, Britain, Ireland, Chile and New Zealand, in damp or shaded places. It grows 0.6–2 m tall and up to 1.5 m wide, with upright stems from the base and stalkless oval leaves. In summer it carries clusters of 3 to 23 golden-yellow flowers, 1.5–3 cm across, full of stamens. These are followed by berry-like fruits that turn from red to dark brown; floristry cultivars have white, cream, pink, red, yellow or black berries. These are the berries sold in bouquets as "hypericum".
Tutsan
Hypericum androsaemum
Hypericum androsaemum, commonly called tutsan or sweet-amber, is a semi-evergreen shrub in the family Hypericaceae, native to Europe, North Africa, and western Asia. It grows 0.5-1 m tall with paired oval leaves and golden-yellow, star-shaped flowers that bloom from late spring through summer. The berry-like fruits mature from red to purplish-black and are ornamental but not edible.
Aaron's Beard
Hypericum calycinum
Aaron's Beard (Hypericum calycinum) is a low-growing, semi-evergreen shrub in the St. John's Wort family (Hypericaceae), native to southeastern Europe and Asia Minor. Valued as a tough, spreading groundcover, it forms dense mats 30-60 cm tall via underground stolons and bears large, cup-shaped golden-yellow flowers with prominent bushy stamens from early to late summer.
St. John's Wort
Hypericum perforatum
St. John's Wort is a hardy, sun-loving perennial herb native to Europe and Asia, now naturalized across temperate regions worldwide. It forms upright, multi-stemmed clumps with slender oblong leaves dotted with tiny translucent oil glands, and produces abundant star-shaped yellow flowers with black-dotted petal margins in early to late summer. Low-maintenance and largely pest- and disease-free, it spreads readily by seed and rhizome, making it valuable for erosion control on banks and slopes but also a listed noxious weed in some regions. It is best known as a traditional medicinal herb, though all parts contain hypericin, a compound that can cause photosensitivity in people, pets, and livestock.
Shrubby St. John's Wort
Hypericum prolificum
Hypericum prolificum, commonly known as shrubby St. John's wort, is a compact, deciduous shrub native to the eastern and central United States. Its dense, upright stems are adorned with bright yellow, five-petaled flowers from June to October, which are distinguished by their numerous prominent stamens. Its dark green, lance-shaped leaves drop during the winter season. It is an extremely adaptable plant: it tolerates drought, compacted soil, and various soil types. It is popular in naturalistic gardens, butterfly gardens, and rain gardens, where it is utilized as a perennial ornamental shrub.
Brick Cap
Hypholoma lateritium
Hypholoma lateritium, commonly known as the Brick Cap, is a wood-decaying fungus that forms dense clusters on hardwood stumps. It features a characteristic brick-red cap that is darker in the center and lighter toward the edges. Unlike its toxic relative (the Sulphur Tuft), the flesh of this mushroom is milder, though sometimes slightly bitter.
Cypress-leaved plait-moss
Hypnum cupressiforme
Cypress-leaved plait-moss (Hypnum cupressiforme) is one of the most widespread creeping mosses of the temperate zone. It forms dense, soft carpets with creeping, regularly branched stems resembling tiny cypress branches—hence its specific name. It grows on soil, tree bark, stones, walls, and decaying wood, in both shade and sunnier spots, easily adapting to a wide range of conditions. Due to its low maintenance and attractive appearance, it is popular as an ornamental and groundcover element in gardens, terrariums, and vivariums.
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