Plant Encyclopedia
Search and identify 1,000+ plants, flowers, trees, and succulents — with care, light, water, and how to tell them apart.
Dandelion
The dandelion is a familiar, resilient perennial with sunny yellow flowers and toothed leaves, widely recognized as both a common lawn weed and a cheerful wildflower.
herb
Chickweed
Chickweed is a low, sprawling annual often dismissed as a lawn weed, with weak stems and tiny white star-shaped flowers that give it the name starwort.
herb
Bull Thistle
Bull thistle is a spiny biennial weed with sharp, prickly leaves and large rose-purple flower heads that is both a pasture nuisance and a pollinator magnet.
flower
Boxelder
A fast-growing, weedy native maple unusual for its compound leaves and paired winged seeds, tough and adaptable but often considered a nuisance tree.
tree
Lambsquarters
Lambsquarters is a fast-growing annual weed with mealy, diamond-shaped (goosefoot) leaves and a whitish, mealy coating on new growth.
herb
Shepherd's Purse
Shepherd's purse is a common annual weed of the mustard family named for its distinctive heart-shaped seed pods, found in gardens, fields, and roadsides worldwide.
herb
Black Medic
Black medic is a low, clover-like legume weed with small yellow flower clusters and distinctive coiled black seed pods, common in lawns and disturbed soils.
herb
Wild Violet
Wild violet is a low-growing perennial wildflower with heart-shaped leaves and five-petaled blue-purple blooms, beloved by some and considered a stubborn lawn weed by others.
flower
Dog Fennel
Dog fennel is a tall, feathery-leaved native weed of the southeastern United States that forms dense stands in old fields and roadsides and has an aromatic, somewhat unpleasant scent.
herb
Yellow Woodsorrel
Yellow woodsorrel is a common clover-like weed with heart-shaped leaflets and small yellow flowers. It self-sows aggressively in lawns, gardens, and pots.
herb
Creeping Buttercup
Creeping buttercup is a low, spreading perennial with glossy yellow flowers that colonizes lawns and damp ground via rooting runners. It is an aggressive and persistent weed.
flower
Buckhorn Plantain
A common perennial lawn and field weed with a basal rosette of narrow, ribbed leaves and bullet-shaped flower heads on tall leafless stalks. It is widespread and persistent in lawns, pastures and roadsides.
herb
Goosegrass
Goosegrass is a tough warm-season annual weed forming flattened rosettes with a distinctive white or silvery center, thriving in compacted soils and high-traffic areas.
grass
Ragweed
A common annual weed that produces large amounts of lightweight, wind-blown pollen in late summer and fall. It has fern-like, deeply divided leaves and inconspicuous greenish flower spikes.
herb
Prickly Lettuce
Prickly lettuce is a tall annual or biennial weed and the closest wild relative of cultivated lettuce. It is recognized by spiny leaf midribs, milky sap, and leaves that twist to align vertically like a compass.
herb
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.
tree
Spotted Spurge
Spotted spurge is a low, fast-spreading summer weed that forms flat mats with small reddish-spotted leaves and a milky sap, common in lawns, sidewalks and gardens.
herb
Sow Thistle
A leafy annual resembling a soft thistle, with milky sap, lobed prickle-edged leaves and small dandelion-like yellow flowers. It is a widespread garden and field weed.
herb
Musk Thistle
Musk thistle is a spiny biennial weed with large, nodding rose-purple flower heads; native to Eurasia, it is an aggressive invader of pastures and rangelands across North America.
flower
Cleavers
Cleavers is a sprawling annual herb covered in tiny hooked hairs that cling to skin, clothing, and other plants. It is a common hedgerow weed that scrambles over surrounding vegetation.
herb
Corn Speedwell
Corn speedwell is a tiny low-growing winter annual weed with small, deep-blue flowers and rounded toothed leaves. It commonly carpets lawns, gardens, and bare ground in late winter and spring.
herb
Milk Thistle
Milk thistle is a striking, spiny thistle with glossy white-marbled leaves and large purple flower heads. Robust and self-seeding, it can become a weed in warm climates.
herb
Curly Dock
Curly dock is a hardy perennial weed with long, wavy-edged leaves and tall rusty-brown seed stalks. Its deep taproot makes it persistent and difficult to remove.
herb
Common Mallow
A sprawling annual or biennial with rounded, scalloped leaves, small pinkish-white flowers, and flat round seed pods that resemble tiny wheels of cheese. It is a common garden and lawn weed.
herb