(Common Hackberry, Hackberry)

Common hackberry is a deciduous shade tree native to the eastern United States nad extreme southern Canada. The foliage is reminiscent of the American elm but often suffers from small warty galls. It has purple, pea-sized fruit in the fall and readily self seeds and can become invasive. Fall foliage color is a clear yellow. Mature trees have distinctive, coarse ridged bark. It is susceptible to witches-broom.

Common hackberry is a tough plant, tolerant of windy and/or cold winter locations. Plant...

(Hackberry)

Valued for its handsome foliage, compact habit, and tough constitution, this small deciduous tree is found over much of the central and western United States and northern Mexico. It typically forms a short multi-trunked tree with sinuous branches and an asymmetrical rounded crown. The oval, dark-green to gray-green, prominently veined leaves have toothed edges and pale yellow-green undersides. They turn yellow in fall. Inconspicuous flowers in late winter or early spring give rise to pea-sized fruits...

(Dwarf Hackberry)

In effect a dwarf version of common hackberry, this native of eastern and central North America typically forms a dense multi-stemmed shrub with rough oval dark green leaves. The elm-like foliage is sometimes marred by warty galls. Fall color is dull yellow. Inconspicuous flowers in spring give rise to pea-size fruits that ripen orange, brown, or red in late summer. Birds and other wildlife harvest the fruits for their thin, edible flesh, which surrounds a hard central nutlet. The gray, often warty...

(Persian Cornflower, Whitewash Cornflower)

Summertime finds the Persian cornflower showing off its rosy-pink flowers with white centers above its light, gray-green foliage. This undemanding, clump-forming perennial is native to the Caucusus - the highlands between the Caspian and Black Sea and nearby eastern Turkey.

Each leaf is oblong and narrow with two deep lobes on the sides, light green above and grayish green beneath. In midsummer, the rosy-pink flowers appear on stem tips. The central, flat disk of the blossom is pink and white,...

(Mountain Bluet, Perennial Cornflower)

Native to the mountainous regions of Central Europe, mountain bluet is a perennial that thrives in temperate climates with drier soils. Plants form low mounds of gray-green, lance-shaped leaves from which arise stems of single blue feathery flowers in late spring to summer. This montane plant is great for rock or alpine gardens as well as perennial borders. Plants tend to self-seed, so spent flowers should be removed. Divide these perennials every two to three years for best growth.

(Mountain Bluet, White Mountain Bluet)

Native to the mountainous regions of Central Europe, white mountain bluet is a perennial that thrives in temperate climates with drier soils. Plants form low mounds of gray-green, lance-shaped leaves from which arise stems of delicate single white spidery flowers in late spring to summer. This montane plant is great for rock or alpine gardens as well as perennial borders. Plants tend to self-seed, so spent flowers should be removed. Divide these perennials every two to three years for best growth....

(Mountain Bluet)

A striking mountain bluet, Amethyst Dream’ originates from the mountainous areas of Central Europe. This mounding perennial is distinguished by its deep purple flowers, high vigor and overall good garden performance.

The foliage is silver-green, lance-shaped and forms a low mound. In late spring to early summer strong stems topped with spidery royal purple. The blooms are attractive to butterflies and set lots of seed once spent. In fact, mountain bluets are known to self-sow with efficiency,...

(Amethyst in Snow Cornflower, Mountain Bluet, Perennial Cornflower)

What a pretty mountain bluet. The patented ‘Amethyst in Snow’ originates from the mountainous areas of Central Europe. This mounding perennial is distinguished by its large feathery white and purple flowers, high vigor and overall good garden performance.

The foliage is gray-green, lance-shaped and forms a low mound. In late spring to early summer strong stems topped with spidery white flowers with purple centers appear. The blooms are attractive to butterflies and set lots of seed once spent....

(Gold Bullion Cornflower, Mountain Bluet, Perennial Cornflower)

A flowering perennial with glowing leaves, ‘Gold Bullion,’ is descended from Mountain Bluet, a native of the mountainous regions of Central Europe. It thrives in temperate climates and drier soils. The plant forms a low mound of lance-shaped, golden leaves above which rise stems of single blue flowers with red centers from late spring to summer.

Grow this montaine perennial in full sun and well-drained, even rocky, soil. Like other mountain bluets, it is a great plantt for rock or alpine gardens...

(Red Valerian)

This selection of valerian is a compact perennial with white flowers borne in clusters on a profusion of stalks above the foliage throughout the summer. Originally from dry, rocky slopes surrounding the Mediterranean Sea, it is well-suited to a dry area of the garden. The flowers are borne in three-inch clusters called cymes and are lightly fragrant. It is a clumping plant with leaves that are fleshy and mid-green with hints of yellow or blue.

Grow ‘Albus’ in well-drained soil of poor to average...