… Ageratum houstonianum ('Blue Horizon') produces 3- to 4-inch cushions of tiny blue flowers on 30-inch-tall plants. Free from insects, diseases, and pests, this cultivar is perfect for the annual border or as a cut flower. Plant 'Blue Horizon' in full sun and … hormone activity (precocious metamorphosis in insects). It also produces an oil that is toxic to the fungal plant path on Fusarium wilt. While scientists apparently have not studied the …
Type: Garden Guide Plant
… American Alumroot 'Bressingham Bronze' is a lovely variation of an attractive native plant. At maturity it will be approximately 12 … tall and 18 inches wide, the flowers, appearing late spring and early summer, are yellow to creamy white. The tall panicles of flowers increase the height to 24 inches and add an interesting lacy effect. The large lobed leaves are deep purple in color …
Type: Garden Guide Plant
… The leaves are highly ruffled and a shiny red brown, the dark leaves move from purple brown to a rich mahogany as the season progresses. 14 inch tall scapes bearing clusters of tiny white … suitable in containers, the front of shady perennial borders or as a groundcover. Mature size is 8 inches tall by 16 inches wide, and it prefers moderate moisture and will tolerate sun to part shade. It will attract hummingbirds and bees and is resistant to deer. In areas with …
Type: Garden Guide Plant
… Graceful spurge is a low-growing subshrub native to tropical America. It has been used successfully at the Chicago Botanic Garden as an annual to fill in spaces between perennials or annuals in flower borders and in containers. It takes …
Type: Garden Guide Plant
… Kohleria are herbacious perennial plants in the gesneriad family native to tropical America. Kohleria ‘Ruby’ The flowers are small and cherry red. The throat is white, overlain with red dotted lines. The attractive foliage is very dark green suffused with … by soft, ovate scalloped leaves and tubular flowers that are covered with soft fuzz. Related to African violets, the leaves are often suffused with purple or brown. The tubes, which are an …
Type: Garden Guide Plant
… Bretschneider dogwood is native to northeast China. It produces creamy white flowers followed by blue-black fruits. … -- be it flowers, fruit, foliage, and/or bark -- and their range of forms from small trees to suckering shrubs. The dominant display, however, varies among the species. Dogwoods are native …
Type: Garden Guide Plant
… explodes into flower. Plant this salvia in full sun and in average soil, and water it to get the root system established. This perennial is a hummingbird and butterfly magnet. 'Pascal' was discovered in 1988 at a 9,000-foot elevation … in the Mexican Sierra Madre Oriental mountains by Yucca Do Nursery staff. It has proven to be winter hardy in Denver, Colorado, during the last five years. Horticulturist Heather …
Type: Garden Guide Plant
… Abeliophyllum distichum , commonly known as white forsythia or Korean abelialeaf, is a rare and endangered shrub native to Korea that features white-to-pink fragrant flowers in very early spring. Growth requirements and landscape uses are similar …
Type: Garden Guide Plant
… can be described in three words: big, bold, and beautiful. Water canna ‘Intrigue’ lives up to those standards. It can reach 10 feet, produces showy orchid-like salmon blooms from July to August, and has burgundy lance-shaped leaves resembling those of the banana plant. It is versatile as well. Plant it in sun to part shade in moist soil or along the water’s edge, or …
Type: Garden Guide Plant
… Cannas can be described in three words: big, bold, and beautiful. Water canna ‘Ra’ —a reference to the Egyptian sun god—lives up to those standards. It can reach 5 feet tall, produces striking yellow blooms from summer through fall, and has green lance-shaped leaves resembling those of a banana plant. It is versatile as well. Plant it in sun to part shade in moist soil or along the water’s edge, or …
Type: Garden Guide Plant
