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  • … Q. When and how do I divide irises? A. The best time to plant and transplant rhizomatous (or self-seeding) iris is after flowering but … Please contact Plant Information Service at (847) 835-0972 or [email protected] for more detailed information. …
    Type: Plant Info
  • … the fall. The purple flowers appear on the stems in the late summer and early fall. It grows best in full sun and moist, well-drained soil and enjoys the heat. It is most effective when grouped into large drifts and makes an excellent ground cover for parks, highway medians, prairie gardens, and perennial beds. The genus Andropogon contains …
    Type: Garden Guide Plant
  • … or good air circulation. And all roses, particularly repeat bloomers, are heavy feeders, so for best performance fertilize in spring and again in mid-summer. …
    Type: Garden Guide Plant
  • … of trumpet-shaped pink flowers in May in the Chicago region. DREAM CATCHER™ was selected for its attractive foliage, pairs of ovate leaves which emerge red, change to orange and then … of clay, and can take drought once they are established. Due to their large size, they are best suited as a background plant. They become very large and leggy, and need occasional renewal …
    Type: Garden Guide Plant
  • … Yellow climbing roses are few and far between, and 'Autumn Sunset' is one of the best. Buds and outer petals are strongly tinged with on coral on opening, softening to a golden … get both colors together, along with a strong whiff of its rich, fruity fragrance. And good news for midwestern gardeners...'Autumn Sunset' is hardy to zone 5, and highly disease resistant, …
    Type: Garden Guide Plant
  • … gracefully along a  low wall. Like all roses, COMPASSION® needs full sun and rich, moist for best performance. It shows good disease resistance, but do try to give it enough space so air …
    Type: Garden Guide Plant
  • … a plant maturing at 6 feet in height. Its foliage is disease resistant, and the rose performs best in moderately fertile soils with adequate water, responding well to applications of fertilizers formulated specifically for roses. Mound the base of the plant with mulch/leaf mold after the first hard frost to protect …
    Type: Garden Guide Plant
  • … Birchleaf spirea is named for the shape of its leaves, which resemble those of the birch genus. White flowers appear in … 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
  • … Shinyleaf spirea is native to western North America.  Spiraea betulifolia is named for the shape of its leaves, which resemble those of the birch genus. The genus Spiraea consists … 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
  • … spirea and shares its vase-shaped habit, flowering and size characteristics. It was bred for better resistance to foliar diseases. The genus Spiraea consists of small- to medium-sized … 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