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  • … The Agave filifera , in bloom in the Arid Greenhouse, is one of the few known to flower in cultivation. The threadlike appendages to the leaves are the reason the specific epithet (species name) of filifera was chosen. A native of Northern Mexico, the dense foliage results in a compact ball of thorn-tipped leaves to 2 feet across. …
    Type: Garden Guide Plant
  • … Violet blue flowers cover this mounding annual during the heat of summer in shaded to partially shaded locations with moist soils. The spent flowers drop off on their own, meaning there is no need to deadhead. This plant is insect and disease resistant. Its parent species are native to Florida, which explains their heat tolerance. …
    Type: Garden Guide Plant
  • … leaves on this stalwart annual that thrives in the heat and drought of summer and continues to flower right up to frost. Butterflies, honey bees and hummingbirds are all attracted to the nectar rich flowers. This cultivar provides height in the flower bed and is deer resistant. …
    Type: Garden Guide Plant
  • … slightly ruffled. At maturity, 'Cherry Cheesecake' stands 5 feet tall and blooms from mid July to fall. It is attractive to bees and hummingbirds while resistant to deer. …
    Type: Garden Guide Plant
  • … Learn how to start and maintain your own herb garden. Many herbs that can be grown in northern Illinois will be featured, with information on how to grow and when to harvest. This horticulture-focused class includes selection, care, and maintenance of an herb …
    Type: Item Detail
  • … Blue-green evergreen foliage is the featured attraction of this hardy pyramidally shaped shrub to 12' in height and 8' width. Plant in full sun and water to get established and thereafter only during extended dry spells. Tolerant of a wide range of soils. Avoid planting under night lights to decrease the incidence of bagworms. …
    Type: Garden Guide Plant
  • … moist. It is tall (5 feet with a similar spread) and bears large white flower heads in mid to late summer. Since it blooms on new wood, it may be pruned close to the ground in late winter to revitalize the plant. …
    Type: Garden Guide Plant
  • … tall and wide. It prefers full sun and dry rocky or sandy soil, making it perfect addition to the rock garden. Attractive to butterflies, it is the earliest buttercup to bloom, beginning in March and continuing through June. …
    Type: Garden Guide Plant
  • … small, deeply lobed leaflets which turn a red and maroon color in the fall. The vine grows to a height of 70 feet with full sun to partial shade and moderate moisture conditions. It has insignificant white blooms from May through August and is resistant to deer. …
    Type: Garden Guide Plant
  • … pink flowers in flat clusters cover the foliage in June in the Chicago area followed by yellow to orange fall color in October. A very hardy cultivar that is popular in Finland. Plant in full sun to partial shade in moisture retentive well drained soils and prune after flowering to maintain size and shape. …
    Type: Garden Guide Plant