(Radicchio, Wild Chicory)

Native to Europe and the Mediterranean and naturalized worldwide, wild chicory is a clumping perennial grown for its long, lobed, edible leaves and for its stout taproot, which is used as a coffee substitute. It also has medicinal uses, and is sometimes cultivated in ornamental gardens for its flowers.

"Leaf chicories" come in several types. The bitter, dandelion-like leaves of loose-leaf chicories are good in salads (when young) or in cooked dishes. Witloof or Belgian endive bears erect heads...

(Bugbane)

Native to Russia and a large part of eastern Asia, autumn snakeroot is a tall perennial with leafed flowerstalks topped by arching racemes of white flowers in autumn. These are borne above clumps of bright green or purplish green foliage with toothed leaflets.

Autumn snakeroot prefers fertile, humus-based, well-drained soil and a partially shaded, evenly moist location. A graceful plant, it may need staking to best show off its stately form. Use it as an accent plant in a woodland garden or...

(Black Bugbane, Black Negligee Bugbane)

Black Negligee autumn snakeroot is a tall, striking perennial with very attractive dark foliage from eastern Asia. Its leafed purple flowerstalks are topped by arching racemes of clear white flowers in autumn. These are borne above clumps of ashy dark purple foliage with toothed leaflets.

'Black Negligee' prefers fertile, well-drained soil with humus and a partially shaded, evenly moist location. A graceful plant, it may need staking to best show off its form, especially in windier locales when...

(Brunette Bugbane, Bugbane)

Brunette autumn snakeroot is a tall, striking perennial with rich, exquisite foliage from eastern Asia. Its leafed purple flowerstalks are topped by arching racemes of creamy, purple-tinged flowers in autumn. These are borne above clumps of deep brownish-purple foliage with toothed leaflets.

'Brunette' prefers fertile, well-drained soil with humus and a partially shaded, evenly moist location. A graceful plant, it may need staking to best show off its form, especially in windier locales when flowering...

(Bugbane, Hillside Black Beauty Bugbane)

Hillside Black Beauty autumn snakeroot is a tall, striking perennial with rich, black foliage from eastern Asia. Its leafed purple flowerstalks are topped by arching racemes of white or light pink flowers in autumn. These are borne above clumps of lustrous dark purple to black foliage with toothed leaflets. The fragrant flowers will attract butterflies.

'Hillside Black Beauty' prefers fertile, well-drained soil with humus and a partially shaded, evenly moist location. A graceful plant, it may...

(Canada Thistle)

Canada thistle is a fierce and aggressive weed foe. Impossibly extensive, deep root systems make this one of the toughest weeds to eradicate from garden spaces. It's small, purplish, brush-like flower heads produce loads of puffy airborne seeds that float away to colonize new space, and its prickly foliage is painful to the touch. Despite the common name, Canada thistle, this species was introduced to North America from Eurasia. Its remarkable tolerance to many growing conditions means it can be...

(Arizona Grape Ivy, Ivy Treebine, Possum Grape, Sorrel Vine)

Very fast-growing and displaying attractive teethed green leaves that fall away in winter, sorrel vine is a versatile vine or groundcover. Native to the southern United States and adjacent parts of northern Mexico, it bears tendrils opposite the leaves that will clasp onto any surface that isn't glass-smooth.

The leathery, succulent green leaves are variable in shape. Usually they're three-lobed but occasional deltoid-shaped blades occur with or without lobes, but always with coarse teeth. Tiny...

(Common Gum Rockrose)

A relatively large rockrose that is also notable for its aromatic foliage and large flowers, this native of Southwest Europe and Northwest Africa bears its palm-sized white blooms in late spring and early summer. It may produce a few blossoms at other seasons. Each of the five crinkled petals has a maroon blotch at its base. A ruff of yellow stamens adorns the flower's center. The lance-shaped, fragrant, sticky leaves are dark green above and gray beneath. They are borne on erect stems that eventually...

(Common Gum Rockrose, Frank Birch Rockrose)

A relatively large rockrose that is also notable for its aromatic foliage and palm-sized white flowers, Cistus ladanifer is native to Southwest Europe and Northwest Africa. The flowers of the cultivar 'Frank Birch' lack the purple basal blotches typical of the species. The crinkled, five-petaled blooms appear in late spring and early summer, and sporadically at other seasons. A ruff of yellow stamens adorns each flower's center. The lance-shaped, fragrant, sticky leaves are dark green above...

(Rockrose)

Rockrose is a hardy, evergreen shrub. It is a natural hybrid between Cistus ladanifer and Cistus populifolius, both native to the Mediterranean region. Shiny, sticky leaves are lance-shaped, opposite on the stem and have smooth to wavy margins. The lovely, papery, abundant, summer flowers are solitary and open for one day. They are roundish, flat, white with a red tint, have a center of bright gold stamens and reminiscent of wild roses. The stems and foliage have a pleasant, resinous...