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  • … frost. Unique to this cultivar are the slightly pointed tips of the flower petals. Introduced in 2010 by Swan Island Dahlias, it flowers best in full sun and well-drained, moisture-retentive soil. This dahlia is insect and disease free. … plants outdoors after the danger of late spring frosts has passed. After the first hard frost in the fall, lift the tubers, shake them free of soil, and store them in a cool, dry location, …
    Type: Garden Guide Plant
  • … small hyacinth-shaped, fragrant, blue tubular flowers that are ½ to 1 inch across, beginning in early summer. Unlike the climbing clematis, tube clematis forms a small shrub reaching 2 to 3 feet in size. It is a member of clematis pruning group 3, which includes species and cultivars that … on the current year’s new growth. These plants require yearly hard pruning down to new buds in late winter or early spring. Grow tube clematis in full sun, either in the border or as a …
    Type: Garden Guide Plant
  • … elephant's ears can reach 5 feet tall and are often used as a summer annual or container plant in the Chicago area. In tropical areas around the world, the starchy tubers are cooked to make poi, a dietary staple. … it prefers partial shade and humusy, moist or wet, slightly acidic soil. Taro can be grown in the ground or in a large aquatic container. Store dormant tubers in a dry, frost-free location. …
    Type: Garden Guide Plant
  • … out occasionally throughout its long flowering season (winter months). Unlike other species in the genus Costus , this plant flowers at a relatively short 2.5 feet in height. For Chicago-area gardeners, this is a plant that can be grown in a good-sized pot outdoors in a shaded area during the frost-free period and brought indoors to …
    Type: Garden Guide Plant
  • In the early spring this tree is covered with scented white flowers making it a pretty tree, just … about twelve feet wide. It is densely branched and bears scented double pinkish-white flowers in the spring which turn into red berries. The glaossy dark green leaves turn yellow in the fall. Although it prefers full sun, it can manage in partly sunny spots but well-drained …
    Type: Garden Guide Plant
  • … Africa that grows 15 feet tall and wide. It is hardy to warm climates (Florida and California in the United States) where the leaves are evergreen, and the fragrant white flowers are produced … changes from green to magenta to dark crimson as it ripens; it is edible and although similar in color, not actually a plum. It is widely planted in Israel; in most areas it serves as a protective screen or hedge or a specimen plant in the …
    Type: Garden Guide Plant
  • … Spider Mum This tall growing cultivar features thin, elegantly coiled creamy white florets in a flower with enough substance to stand up to the vagaries of fall weather in the Chicago region. In order to obtain the largest of flowers, the side flower buds should be removed - a process …
    Type: Garden Guide Plant
  • … Narcissus ‘Ascot’’ is in Division 4. It blooms in mid to late spring with 3 ½ inch wide double flowers. The petals are bright yellow and arranged in whorls with the bright orange segments of the corona interspersed. The bulbs are toxic and …
    Type: Garden Guide Plant
  • … hot, they can flower up to the first frost. There are 100 species of perennials and annuals in the genus Linaria native to the northern temperate zones, with a center of diversity in Europe and the Mediterranean region. Two species have become naturalized in the United States—one in New England and the second in northern New Mexico (where it is toxic …
    Type: Garden Guide Plant
  • … have yellow tips. The stems stand 38 inches high, each with 2 branches and up to 8 or 9 blooms in mid season. In 1989 Silverado was awarded Honorable Mention and the Fred and Barbara Walther popularity awards. It received Award of Merit in 1991, the Wister Medal in 1993, and the Dykes Metal in 1994. The Dykes Medal, given annually …
    Type: Garden Guide Plant