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  • … is classified as early, mid-, and late. 'Tropical Bonnet' is an early season bloomer. It grows to 30 inches tall, taking on a shrubby appearance throughout the summer, and then dies to the ground in the fall. Plant in full sun to part shade with eyes no more than 2 inches below the soil surface. Deer resistant. Peonies are popular garden plants, known for their stunning flowers, their cold hardiness, and the huge variety of their colors, forms, …
    Type: Garden Guide Plant
  • … digitalis is a native of the tall grass prairies stretching from the upper Midwest down to north central Texas. It has white to pink flowers and is one of the few native beardtongues that are adaptable to garden conditions … Various bees are the principal pollinators. The United States is the center of distribution for the genus Penstemon. Most species are found in the arid and intermountain West, and favor …
    Type: Garden Guide Plant
  • … var. grandilflora ) is a drought-hardy, humidity-proof native of the lower Midwest known for the pairs of blue flowers that open consecutively from late summer through fall. Native to thin nutrient-poor soils overlaying limestone, this plant can grow too tall and flop over if cultivated in richer soils. Cutting the total height of the plant back to half in midsummer has been used by some gardeners to reduce the incidence of this problem. …
    Type: Garden Guide Plant
  • … appearance. This selection has a narrow form with mostly ascending branches and it can grow to 40 feet tall by 15 feet wide. The cones on the species are interesting – they hang downward and each cone scale has a three-pointed bract. Douglas fir is native to the Rocky Mountains and along the Pacific Coast; in the Pacific coastal regions, it can attain heights of up to 250'. They are used for timber and are valued as Christmas trees because of their short needles with good retention. …
    Type: Garden Guide Plant
  • … value of this grass has been overlooked. Native throughout most of North America except for the Far West, Indian grass grows in clumps about two feet tall. In mid-summer colorful plumes appear that extend two to three feet above the foliage on blue stems with hints of purple. The newly emerging flowers or … "glumes" are dark red and orange, with long hairs or "awns" and showy yellow pollen, maturing to golden yellow. The foliage ranges from green to powdery blue, becoming orange in autumn. …
    Type: Garden Guide Plant
  • … This graceful evergreen has many uses ranging from a hedge to a specimen plant. The Canadian hemlock, native to eastern North America, is an extremely high-quality evergreen tree that performs well in … full shade. Plant in a site protected from the wind. It can be pruned heavily in the spring for hedging. Small, oval brown cones hang from the branches like ornaments on a Christmas tree. …
    Type: Garden Guide Plant
  • … Giant ironweed is a perennial plant that is native to the eastern parts of the US where it grows in locations that are consistently moist. It bears smallish bright purple flowers large bracts in late summer to mid-fall providing an unusual pop of tall color in the late season. Giant ironweed grows to a … ironweeds conducted at the Chicago Botanic Garden, giant ironweed received an excellent rating for growing in local conditions. Archived Copy: This content was captured before February 2022, …
    Type: Garden Guide Plant
  • … Gardens in Delaware. White flowers in June are followed by fruit that goes from deep pink to blue and persists into fall. The glossy green leaves turn a wine red color in fall. Viburnums are a versatile genus of multi-stemmed shrubs that are well suited to the home landscape due to their range of sizes and cultural adaptability. Some viburnums are noted for their fragrant flowers; most bear small fruit that may add visual interest. Many viburnums …
    Type: Garden Guide Plant
  • … Cayuga viburnum was developed by the U.S. National Arboretum in 1953. Abundant pink buds open to very fragrant white flowers in late April or early May. Its habit is upright when young but … shrub matures. Viburnums are a versatile genus of multi-stemmed shrubs that are well suited to the home landscape due to their range of sizes and cultural adaptability. Some viburnums are noted for their fragrant flowers; most bear small fruit that may add visual interest. Many viburnums …
    Type: Garden Guide Plant
  • … tresses. The younger new branches and leaves are a golden-green color in spring and mature to bronze-gold branches in summer with soft willow green leaves. The leaves are also slightly … and will reach 20 feet high and wide with in a few years. It is a fun bit of living sculpture for a garden, but be sure to give it enough sun and space to develop its lovely form or give it a good trim in late winter …
    Type: Garden Guide Plant