Plant Encyclopedia
Search and identify 1,000+ plants, flowers, trees, and succulents — with care, light, water, and how to tell them apart.
Avocado Tree
The avocado is a broadleaf evergreen fruiting tree. Frost-tender and vigorous, it is a popular subtropical orchard tree and a fun, if slow-fruiting, houseplant from a sprouted pit.
tree
Yellow Nutsedge
Yellow nutsedge is a grass-like perennial sedge, not a true grass, that infests lawns, gardens and crops by spreading through underground tubers called 'nutlets'. The same tubers are also cultivated in some regions, where they are known as chufa or tiger nuts.
grass
Jimsonweed
Jimsonweed is a rank-smelling nightshade with large white-to-purple trumpet flowers and spiny seed pods, and one of the most distinctive weeds of North America.
herb
Apache Pine
A southwestern pine of the Sierra Madre and Arizona–New Mexico borderlands, notable for very long, drooping needles and a grass-like seedling stage. Young trees resemble a tuft of grass before the trunk elongates.
tree
Bindweed
Bindweed is a fast-twining perennial vine with arrowhead leaves and small white-to-pink morning-glory flowers that smothers gardens and crops. Its deep, persistent root system makes it one of the hardest weeds to eradicate.
herb
Canada Thistle
Canada thistle is an aggressive perennial weed with spiny leaves and small pink-purple flower heads that spreads relentlessly through deep, creeping roots. Despite its name it is native to Europe and Asia, and it is one of the most difficult agricultural weeds to control.
herb
Wild Garlic
A pungent perennial bulb in the onion family that spreads aggressively through lawns and fields, recognized by its hollow, grass-like leaves and strong garlic odor. It is a common turf weed.
herb
Nimblewill
Nimblewill is a wiry, warm-season perennial grass native to North America that often invades lawns as a patchy weed. It greens up late and turns straw-brown early, creating unsightly dormant patches.
grass
Wild Onion
A native North American perennial onion with flat, grass-like leaves and bulbs that emit a clear onion scent. It commonly appears in lawns, meadows and woodland edges and is regarded as both a wildflower and a lawn weed.
herb
Sweet Corn
Sweet corn is a tender annual grass and a variety of maize grown as a warm-season garden crop. It forms a tall, single stalk topped by a feathery tassel, with husk-wrapped ears lower down.
grass
Longleaf Pine
A stately fire-adapted pine that once dominated vast southeastern U.S. forests, prized for its very long needles, durable timber and grass-stage seedlings. Restoration of its open, biodiverse savannas is a major conservation effort.
tree
Japanese Stiltgrass
Japanese stiltgrass is an aggressive annual grass from Asia that has become one of the most damaging invasive plants in eastern North American forests and shaded yards. It forms dense, sprawling mats that crowd out native ground flora.
grass
St. John's Wort
St. John's wort is a hardy yellow-flowered perennial with masses of five-petaled summer blooms. Tough and drought-tolerant, it is also a noxious weed in many grazing regions.
herb
Pickerelweed
A native aquatic perennial of pond margins and marshes, bearing glossy heart-shaped leaves and spikes of violet-blue flowers all summer long.
flower
Pigweed
Pigweed is a vigorous annual weed of the amaranth family with reddish roots and dense seed clusters, and a major agricultural pest.
herb
Mugwort
A tall, aromatic perennial with silvery-backed, deeply cut leaves, long associated with folklore. It is hardy, vigorous, and often weedy along roadsides.
herb
Cup Plant
A towering North American prairie perennial whose paired leaves fuse around the square stem to form water-holding cups beneath bright yellow daisy flowers.
flower
Barrenwort
Barrenwort is a tough, low groundcover for dry shade, with delicate spring flowers and heart-shaped leaves that often emerge and finish the season tinted red. It thrives where little else will.
flower
Wild Mustard
Wild mustard, or charlock, is a fast-growing annual weed of fields and roadsides with bright yellow four-petaled flowers. It is an aggressive crop weed.
herb
Spiderwort
Spiderwort is a clumping native perennial with grassy arching foliage and three-petaled blue, purple, or pink flowers that each last a single day. It blooms reliably from late spring through summer.
flower
Sea Thrift
Sea thrift is a compact, evergreen coastal perennial forming tidy cushions of grassy foliage topped with round pink pompom flowers. It is exceptionally tough, thriving in poor, salty, well-drained soils.
flower
Red Hot Poker
Red hot poker is a bold perennial sending up torch-like spikes of tubular flowers that grade from fiery red at the top to yellow below. Its grassy clumps and dramatic blooms attract hummingbirds and bees.
flower
Wood Sorrel
Wood sorrel is a clover-like herb with heart-shaped trifoliate leaves and small flowers, common as a garden and lawn weed.
herb
Cocklebur
Cocklebur is a coarse annual weed famous for its hard, hooked burs that cling to fur and clothing. It is a serious agricultural and pasture pest.
herb