… Dahlia 'Jason Matthew' is a 2010 introduction, and is classified as a formal decorative form, with abundant blooms in late summer and into fall. The 3 inch flower heads have deep purple … have slightly rolled edges and appear velvety, held on long dark green stems that make it an excellent choice for cutting. Pollinating insects and hummingbirds love the flowers. Dahlias are …
Type: Garden Guide Plant
… Iris 'Rave On' is a vibrant orange with bright orange beards, creamy white signals and ruffled petals. It stands 36 inches high and … typically blooms after the dwarf irises but before the Japanese and Siberian Irises. It is an excellent cut flower and is attractive to butterflies and hummingbirds while resistant to rabbits …
Type: Garden Guide Plant
… blooming for more than two months in the late summer and fall. Small blue flowers contrast with gray, finely dissected leaves on a widely branched, clump-forming, hardy perennial. Once its …
Type: Garden Guide Plant
… has a pyramidal growth form reaching a height of abuot 45 feet and a width of about 25 feet with straight regular branching and is an excellent shade tree. In the spring it bears hanging clusters of up to ten fragrant yellow …
Type: Garden Guide Plant
… open up to pure white flowers, and if a different variety is nearby, the golden yellow fruit with a pinkish blush will appear from late August to early September. Like most fruit trees, the … This cultivar is prone to biennial bearing (meaning a large crop every other year) - consult with your local agriculture extension service or master gardener program for a list of pruning techniques to overcome this tendency if …
Type: Garden Guide Plant
… them. Are the trees sick? A. Based on your description, it sounds like the trees are infected with maple leaf tar spot, known scientifically as species of Rhytisma fungi. Leaves that are infected with this fungal disease have round, light green to yellowish-green areas approximately ½ to 1 … disease, fungicide treatments are usually not necessary. Please contact Plant Information Service at (847) 835-0972 or email plantinfo@chicagobotanic.org for a positive diagnosis and if …
Type: Plant Info
… deciduous tree, typically growing to 60-80 feet (less frequently to 130 feet) tall with a broad-rounded crown. It is native to eastern and central North America. Although once … to be viable selections for landscapes. Ulmus americana ‘Valley Forge’ reportedly has excellent resistance to Dutch elm disease and is currently being planted. It typically grows to … margins and asymetrical bases. Leaves typically turn yellow in fall. 'Valley Forge' has excellent resistance to Dutch elm disease. It is susceptible to phloem necrosis that is a viral …
Type: Garden Guide Plant
… Achillea 'Saucy Seduction' has deep rosy pink flowers with tiny white centers clustered together in large flat-topped flowerheads 2 to 4 inches across. … in early summer and continues into the fall. This is a compact plant 18 to 24 inches high with gray-green, fernlike foliage. It is a member of the SEDUCTION™ Series from the … and resistant to deer, rabbits, and drought. This is a favorite cut flower and is also excellent as a dried flower. The genus name Achillea refers to Achilles, hero of the Trojan Wars …
Type: Garden Guide Plant
… tree grows 30 to 40 feet' tall and has a rounded habit. Its foliage creates a tropical effect, with large compound leaves that grow 18 inches long and have deeply cut leaflets. It is an excellent specimen plant. Yellow flowers with narrow petals, similar to forsythia blooms, are produced in 12-inch to 15-inch panicles in …
Type: Garden Guide Plant
… tall and blooms midseason (it may re-bloom later in the season). It is a rich, uniform blue with wavy petals. A single stem will have four branches with a total of eight to ten buds. It is attractive to butterflies and hummingbirds, and resistant to rabbits and deer. The flowers are excellent for cutting but have no fragrance. In 1988, Breakers was awarded an Honorable Mention, …
Type: Garden Guide Plant