Plant Encyclopedia

Search and identify 1,000+ plants, flowers, trees, and succulents — with care, light, water, and how to tell them apart.

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Pin Oak

Pin oak is a fast-growing deciduous oak known for its distinctive layered branching, deeply lobed bristle-tipped leaves, and brilliant red fall color, making it a popular street and park tree.

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Willow Oak

A fast-growing red-oak with narrow, willow-like leaves that lack the typical oak lobes, prized as a tough shade and street tree across the southeastern United States.

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White Oak

White oak is a majestic, long-lived North American hardwood with rounded leaf lobes and prized, water-tight timber. A keystone forest tree, it can live for centuries and supports a vast web of wildlife.

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Post Oak

Post oak is a slow-growing, drought-hardy white oak of the southern and central US, recognized by its cross-shaped leaves. Its rot-resistant wood was traditionally used for fence posts.

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Poison Oak

Poison oak is a woody shrub or climbing vine native to North America, recognized by its compound leaves of three lobed leaflets that resemble oak foliage.

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Overcup Oak

Overcup oak is a flood-tolerant white oak of southern US bottomlands, named for the acorn cap that nearly encloses the nut. Its toughness makes it an increasingly popular urban shade tree.

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Live Oak

Live oak is a massive, sprawling evergreen oak of the American South, famous for wide spreading limbs draped in Spanish moss and an extremely strong, dense wood.

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English Oak

English oak is the iconic, long-lived oak of Europe, with short-stalked lobed leaves and acorns on long stalks. A symbol of strength, it can live for centuries and supports vast biodiversity.

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Bur Oak

Bur oak is a massive, long-lived North American oak known for its huge, fringe-capped acorns, deeply furrowed bark and exceptional toughness. Drought- and fire-resistant, it is a stately tree for large landscapes.

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Water Oak

Water oak is a fast-growing, semi-evergreen red-oak-group tree of the southeastern US, common along streams and in yards. It has spatula-shaped leaves but is relatively short-lived.

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Red Oak

Northern red oak is a fast-growing, adaptable shade tree with pointed, bristle-tipped leaf lobes and reddish fall color. Its strong wood is a leading commercial hardwood across eastern North America.

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Scarlet Oak

A red-oak celebrated for brilliant scarlet autumn color, with deeply C-shaped sinuses between sharply bristle-tipped lobes and a graceful open crown.

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Silk Oak

The silk oak is a fast-growing Australian tree with fern-like silvery foliage and showy golden-orange, comb-shaped flowers in spring. It is widely grown for shade, timber and ornament, but can be weedy outside its range.

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Chinquapin Oak

Chinquapin oak is a white oak with chestnut-like, coarsely toothed leaves that thrives on dry, alkaline, limestone soils.

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Chestnut Oak

A rugged white-oak of dry rocky ridges, recognized by its deeply furrowed bark and chestnut-like, wavy-toothed leaves.

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Black Oak

Black oak is a large red-oak-group tree of eastern North America with dark, blocky bark and bristle-tipped lobed leaves. Its inner bark once yielded the yellow dye quercitron.

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Southern Live Oak

Southern Live Oak is a massive, spreading evergreen oak of the American Deep South, famous for its broad canopy draped in Spanish moss. It is among the longest-lived and most iconic trees of the region.

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Swamp White Oak

Swamp white oak is an adaptable white oak of moist North American bottomlands, with two-toned leaves that are green above and silvery beneath. It is a popular, easy-to-grow shade and street tree.

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Red Pine

Red Pine is a tall, straight North American conifer prized for timber, recognizable by its reddish, scaly bark and long needles borne in pairs.

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Pitch Pine

Pitch Pine is a rugged, fire-adapted eastern North American conifer known for its twisted form, three-needle bundles, and ability to resprout after fire.

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Mugo Pine

Mugo Pine is a compact, shrubby evergreen conifer prized for its dense mounding form. It is a popular low-maintenance choice for rock gardens, borders, and containers.

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Gray Pine

A sparse, open-crowned California pine known for its ghostly gray-green foliage and enormous, heavy cones with large seeds. It is endemic to the dry foothills surrounding California's Central Valley.

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Fire Pink

A short-lived native wildflower of eastern North American woodlands, prized for its brilliant scarlet, star-shaped flowers that lure hummingbirds in spring.

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Bishop Pine

Bishop Pine is a hardy two-needle pine of the California and Baja coast, with persistent, prickly cones that often stay closed on the tree for years until fire opens them. It tolerates wind, salt, and poor soils.

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