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  • … of golden Alexander, Zizia aurea. The lacy, flat-topped yellow flowers sit atop two-foot stems in mid-spring. It is distinguished from golden Alexanders by the heart-shaped, toothed basal … leaves. This species is native to Illinois and much of central and northern North America, in meadows and rocky soils. …
    Type: Garden Guide Plant
  • … of summer into early fall. The stature and branching habits support the use of this cultivar in containers and flower beds. Nectar rich flowers are visited during the summer by a number of insects while the oil rich seeds in fall are a favorite of songbirds. …
    Type: Garden Guide Plant
  • … This cultivar is a sport (genetic mutation) of Tulipa 'Jewell of Spring', which was discovered in Japan. Tulips are not reliably perennial in the Chicago area for most gardeners but make a wonderful addition to the spring garden. …
    Type: Garden Guide Plant
  • … a feature of this Triumph Class tulip, ideal for forcing and annual displays. Plant this tulip in full sun and moisture-retentive, well-drained soil, and protect from marauding deer, rabbits, etc. Triumph class tulips typically are not perennials in Chicago- area gardens. …
    Type: Garden Guide Plant
  • … across. A cross betweeen the rose cultivars 'Pinocchio' and 'Crimson Glory', it was registered in 1949 to Jackson & Perkins and was an All-America Rose Selection in 1950. …
    Type: Garden Guide Plant
  • … light pink petals with dark bases. The lightly fragrant flowers are 3½ inches across and borne in large clusters from mid-June through mid-October. It can be used as a pillar or a short climber in the landscape.  …
    Type: Garden Guide Plant
  • … foliage reduces premature leaf drop and/or the need to spray pesticides. Plant this rose in full sun and in moderately moist soils. Avoid crowding all roses to improve air circulation through the …
    Type: Garden Guide Plant
  • … flowers with fringed edges to the petals throughout the warmer months of the growing season in Chicago. Plant this sage after the soils have warmed (toward the end of May, typically) in full sun and well-drained soil. Hummingbirds, butterflies, and moths are attracted to the …
    Type: Garden Guide Plant
  • … at Intrinsic Perennials. Plant this salvia, after the danger of late frosts have passed, in full sun and well-drained soil, and provide moderate levels of fertilization. The scented … deters herbivores (rabbits, deer) and the red flowers attract hummingbirds—a good combination in any garden. …
    Type: Garden Guide Plant
  • … heads. Discover the many types and characteristics of peony varieties. This course will begin in the classroom and then stroll to the west flower walk to examine many of the plants in bloom. Dress for the weather.  Heather Sherwood, senior horticulturist, Chicago Botanic …
    Type: Item Detail