Plant Encyclopedia
Search and identify 1,000+ plants, flowers, trees, and succulents — with care, light, water, and how to tell them apart.
Borage
A fast-growing annual herb with brilliant blue star-shaped flowers and bristly, cucumber-scented leaves. A magnet for bees, it self-seeds freely and is a favorite of pollinator gardens.
herb
Bugleweed
Bugleweed is a low, fast-spreading evergreen groundcover prized for its glossy rosettes and spikes of blue-violet flowers in spring. It quickly carpets bare ground in sun or shade.
flower
Periwinkle
Periwinkle is a tough, low evergreen ground cover with glossy leaves and starry blue-violet flowers that thrives in shade. It spreads quickly to carpet difficult areas but can become invasive.
shrub
Lobelia
Edging lobelia is a low, mounding or trailing annual smothered in tiny, intensely blue flowers from spring to frost. It's a staple of hanging baskets, window boxes and bedding borders.
flower
Hydrangea
A leafy garden shrub famous for big rounded clusters of summer flowers that can shift between blue and pink depending on soil pH. Hydrangeas are showy, thirsty, and shade-tolerant.
shrub
Ghost Plant
The ghost plant is a hardy rosette succulent with pearly, pastel leaves that shift from grey-blue to pinkish or yellow depending on light. It is fast-growing, trailing, and extremely easy to propagate.
succulent
Blueberry
Blueberries are deciduous fruiting shrubs grown for their round, dusty-blue berries. They demand acidic, moist, well-drained soil and reward growers with both fruit and brilliant autumn color.
shrub
Burro's Tail
A trailing succulent with plump, overlapping blue-green leaves packed along long stems that resemble braided tails. Easy to grow but its beads drop off at the slightest touch.
succulent
Arizona Cypress
Arizona Cypress is a tough, drought-tolerant evergreen conifer from the American Southwest, valued for its silvery blue-gray scale foliage. It makes an excellent windbreak and waterwise screen.
tree
Rhodiola
Rhodiola is a hardy, succulent alpine perennial of cold northern mountains, forming low rosettes of fleshy blue-green leaves and clusters of yellow flowers. Cut roots smell faintly of rose.
succulent
Delphinium
Delphiniums are stately cottage-garden perennials famed for their towering spires of intensely blue (or purple, pink, and white) flowers. Their dramatic vertical form makes them a classic centerpiece of the summer border.
flower
Bluebell
Bluebells are spring bulbs that carpet woodlands in hazy drifts of nodding, violet-blue bells. The native English bluebell is a protected woodland icon, distinct from the more vigorous Spanish bluebell.
flower
Bellflower
Bellflowers are a large group of perennials and biennials bearing bell- or star-shaped flowers, usually in blue, purple or white. They range from low rock-garden creepers to tall border plants.
flower
Bilberry
A low-growing wild relative of the blueberry, native to northern European heaths and woodlands. It forms a small deciduous shrub bearing dark blue-black berries on distinctive angular green stems.
shrub
Engelmann Spruce
Engelmann Spruce is a tall, narrow conifer of high western mountains, often forming dense subalpine forests near treeline. Its soft, resonant wood is prized for musical instrument soundboards.
tree
Siberian Bugloss
Siberian bugloss is a shade perennial grown for its large, heart-shaped leaves, often silvered, and sprays of dainty blue flowers resembling forget-me-nots in spring. It is a workhorse for woodland gardens.
flower
Swan River Daisy
Swan River daisy is a dainty Australian annual that forms low mounds covered in masses of small blue, violet, pink, or white daisies. It is a popular, free-flowering choice for containers, baskets, and edging.
flower
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
Canary Creeper
Canary creeper is a delicate climbing relative of the nasturtium, named for its fringed, bright yellow flowers that resemble tiny birds in flight. It quickly clothes trellises and fences with lacy blue-green foliage.
flower
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
Speedwell
Speedwell is a hardy perennial prized for its upright spikes of densely packed blue, purple, pink or white flowers that bloom for weeks in summer. It is a magnet for bees and butterflies and thrives in sunny, well-drained borders.
flower
Stokes' Aster
Stokes' aster is a clump-forming perennial bearing large, frilly, cornflower-like blooms in blue, purple, white, or pink atop neat evergreen foliage. It is a long-blooming, heat-tolerant native of the southeastern US.
flower
Coulter Pine
A rugged southern California and Baja conifer famous for producing the heaviest pine cones in the world, sometimes weighing up to 5 pounds. Its stout, spiny cones and long blue-green needles make it unmistakable.
tree
Bird of Paradise
The bird of paradise is a dramatic tropical plant famous for its vivid orange-and-blue flowers that resemble an exotic bird in flight. It has bold paddle-shaped leaves and makes a striking statement indoors or in warm gardens.
flower