(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...

(American Yellowwood, Yellowwood)

Lovely drooping chains of white blossoms in late spring is the forte of the yellowwood, but its bright green leaves that become a brilliant yellow in autumn is also spectacular. A deciduous tree from the American Southeast (North Carolina to Tennessee and Kentucky), it attains a rounded shape with low and spreading branches. Its smooth bark is sandy brown but becoming increasingly gray with age. The name "yellowwood" refers to the color of the heartwood.

The foliage emerges in spring with a yellow-green...

(Clematis, Luxurious White Clematis, Viticella Clematis)

Luxurious white clematis is a herbaceous vining plant with small white, open bell-shaped flowers tipped in green. They bloom from midsummer through the fall. Leaves are green with hints of a gray casting on this native of southern Europe and extreme western Asia.

Clematis prefers a location with at least five to six hours of sun and a fertile, well-drained soil. In early spring, prune each stem's growth down to a pair of strong buds above the soil level. It can be used to dress up a wall, trellis,...

(Alionushka Clematis, Clematis, Integrifolia Clematis)

This unique, floriferous clematis displays numerous rose-pink, nodding, bell-shaped flowers from late spring to frost. Developed in the Ukraine in 1969, ‘Alionushka’ resulted from a cross between the climbing hybrid ‘Nezhdannyi’ and the bushy species Clematis integrifolia. Its habit is intermediate between that of its parents, and it is at its best when planted among shrubs and perennials in the mixed border, where its tumbling stems can weave themselves among the other plants of the garden.

The...

(Allanah Clematis, Clematis, Late Large-flowered Clematis)

The large, vibrant, velvety wine-red flowers of ‘Allanah’ bloom in late spring and early summer. Each of its broad petals taper at the base giving the blooms a distinctive appearance. It is a vigorous grower with a somewhat compact habit at maturity.

This hybrid clematis is a hardy deciduous woody vine that climbs by twining stems. The vines are lined with green compound leaves that appear in spring. The large wine-red flowers appear from spring to summer and are followed by fluffy clusters...

(Amelia Clematis, Clematis)

The upright-growing, non-vining ‘Amelia’ produces 3-inch-wide (8 cm) flowers in late summer to early fall. The six-petaled blossoms are a pale pink-lavender and surround a bright yellow crown of stamens.

This hybrid clematis is a hardy deciduous woody vine that doesn't really climb and clasp in a traditional sense but grows upright. The stems are lined with green compound leaves that appear in spring. The large flowers appear from summer to fall and are followed by fluffy clusters of silvery...