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  • The Dark Net baptisia cultivar gets its name from the network of tall black stems that arise bearing white flowers prior to the appearance of any foliage. Members of the genus Baptisia are commonly known as wild or false indigo due to their use by early Americans as a blue dye. Although "indigo" is in the common name, the blooms of native species may be blue, yellow or white and the blooms of …
    Type: Garden Guide Plant
  • … Beautiful exfoliating bark on the mature trunks of the European white birch contrast wonderfully with the black younger stems … fall; in a typical year the foliage is yellowish brown. A short lived tree in this climate due to the prevalence of the bronze headed birch borer. Plant where the trunk can be shown to best advantage in winter and plan on replacing the plant in 10 to 15 years, on average. The
    Type: Garden Guide Plant
  • … We’ve officially reached planting season, and it is now safe to put in warm-season flowering annuals, vines, herbs, and vegetables. Horticulturists at the Chicago Botanic Garden do recommend waiting until Memorial Day for cold-sensitive plants such … and squash. Happy planting! Summer plantings await in the production greenhouses. Get the best performance from your plants with these tips from the Garden’s Plant Information Service: …
    Type: Blog
  • …  produces so many small, white baby’s breath-like flowers from summer through fall that the plants often tilt to one side. Too much fertilizer encourages the plant to become even more top heavy. As with its … are small, golden structures in the middle of the white bracts. Flowering spurge performs best in soils with low fertility in full sun. A whole host of native insects in the wasp, bee, …
    Type: Garden Guide Plant
  • … It stands 4 feet high and bears 20 or more downfacing flowers on each stem and whorled leaves. The petals are curved backward, giving the flowers a Turks caps shape. Typical of the Martagon lilies, Hantsing does best in partial shade. The unsurpassed grace and beauty of this lily makes it a lovely addition to the garden. Lilies love full sun, but will do well in partial shade. They tolerate hot summer …
    Type: Garden Guide Plant
  • … Ogon spirea features golden foliage that emerges after the white flowers in early spring. The leaves become bright green as the season progresses and turn orange in the fall. The genus Spiraea consists of small to medium sized flowering shrubs with a fine-textured twiggy mounding habit. The small simple … are quite small, they occur in clusters of inflorescence that can be very showy. Spireas are best used in groupings in a shrub or mixed border, where they are valued as tough, reliable and …
    Type: Garden Guide Plant
  • … This Asian native spirea grows to a height of 4’ with a similar spread. It blooms in late spring with clusters of white flowers. In fall the foliage turns orange red. The genus Spiraea consists of small to medium sized flowering … are quite small, they occur in clusters of inflorescence that can be very showy. Spireas are best used in groupings in a shrub or mixed border, where they are valued as tough, reliable and …
    Type: Garden Guide Plant
  • … We know spring has arrived in northern climes when we see the cheery yellow blooms of the ubiquitous forsythias in April. Named after William Forsyth, one … of the founders of the Royal Horticultural Society in the 18th century, forsythias are medium to large shrubs that produce four- petaled clusters of bell-shaped flowers in the axils of the … soils and varying moisture, but the flower buds may be tender on older cultivars. Pruning is best done immediately after flowering, giving new growth time to form flower buds. Never shear …
    Type: Garden Guide Plant
  • … arrives. Most gardeners get a break from their responsibilities—a welcome respite since the winter holidays often occupy a large portion of everyone’s to-do lists. Protecting outdoor plants from the consequences of winter—whether it’s snow, ice, … don’ts Light pruning of deciduous trees and shrubs can be done this month. Heavy pruning is best done in late winter or very early spring before buds break. Protect evergreens from heavy …
    Type: Plant Info
  • … Ft. McNair red horsechestnut features bold spikes of pink flowers with yellow eyes rising above the foliage in mid-spring. It has dark green foliage, which emerges light green in spring. The palm-shaped … other landscape plants with finer foliage. This is a relatively low maintenance tree and is best pruned in late winter, once the threat of extreme cold has passed. It has no significant …
    Type: Garden Guide Plant