Plant Encyclopedia
Search and identify 1,000+ plants, flowers, trees, and succulents — with care, light, water, and how to tell them apart.
Prostrate Spurge
A fast-growing summer annual that forms flat, ground-hugging mats with small oval leaves often marked by a maroon spot. It exudes a milky sap and is a widespread weed of lawns, cracks and gardens.
herb
Japanese Knotweed
Japanese knotweed is an aggressive bamboo-like perennial that spreads by powerful rhizomes, damaging pavement and buildings and ranking among the world's worst invasive plants.
shrub
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
Centaurea
Centaurea is a large genus best known for the cornflower, a cheerful annual with intense blue, fringed flowers. Easy and long-blooming, it is a cottage-garden classic beloved by bees and butterflies.
flower
String of Turtles
A delicate trailing peperomia with tiny round leaves patterned like miniature turtle shells. Slow-growing and compact, it is well suited to small hanging pots and terrariums.
houseplant