This showy, long-blooming perennial is exceptionally tolerant of summer heat, drought, and coarse, dry soils. A close cousin of the hibiscus, it is an upright but sprawling shrub with long, lax stems that grow speedily that grow each year from woody basal branches. Rock rose is native to the drylands of Texas and northern Mexico.
The leaves are rounded triangles with jagged edges, often with two short lobes on each side, and dark-green above with a lighter-green underside. The petioles (leaf stems)...
James H. Schutte
(Martha Washington Geranium, Regal Geranium)
Developed in Great Britain in the mid-19th century and still going strong after more than 150 years, Regal geraniums (known in the United States as Martha Washington geraniums) are bushy, tender, evergreen perennials grown for their generous bloom. Grown in containers or the ground, they continuously produce large clusters of showy ruffled flowers held high on slim stalks. The flowers are white, pink, lavender, purple, red, or orange, often with boldly contrasting blotches. The large, rounded, toothed...
Terra Nova Nurseries, Inc.
These are true New World wildflowers. Penstemons are found all over the North American continent from Alaska and the arctic regions of Canada southward though the United States and into Mexico and Central America. Most of the species are found from the western states to the south. This large genus has more than 270 species and many hundreds of hybrids and cultivars. In the wild they inhabit lots of areas including moist open woods, meadows, alpine and piedmont regions, dry rangelands and deserts....
Ball® Horticultural Company
The vivid rose-pink, white-throated flowers of this recently introduced herbaceous perennial are a hot item in the garden. One of the so-called border penstemons – a group of large-flowered, long-blooming hybrids whose lineage includes numerous species – 'Cathedral Rose Hot' bears clusters of chubby trumpet-shaped flowers from late spring into summer. The compact flower stems arise from a shrubby base furnished with glossy lance-shaped evergreen leaves.
This beautiful perennial likes sun and...
Terra Nova Nurseries, Inc.
(Dark Towers Beardtongue, Hybrid Beardtongue)
This stunning purple foliage variety is rewriting the book on what to expect from perennials in the garden. It is a cultivar developed by Terra Nova Nurseries in Oregon where some of the most innovatively colored new cultivars are being produced. Penstemon foliage has previously been of minimal interest, but with the dark purple leaf form it makes these plants far more valuable before and after blooms.
Bright pink midsummer flowers are abundant but not particularly large. This is of little...