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  • … physician, Culver’s root is a native American perennial that grows in forests, meadows, and prairies throughout the Midwest. Fascination Culver's root grows to about 5 feet tall with … for local garden conditions. Archived Copy: This content was captured before February 2022, and is no longer being updated. …
    Type: Garden Guide Plant
  • … physician, Culver’s root is a native American perennial that grows in forests, meadows, and prairies throughout the Midwest.  Lavendelturm grows to about 5 feet tall with lance-shaped … for local garden conditions. Archived Copy: This content was captured before February 2022, and is no longer being updated. …
    Type: Garden Guide Plant
  • … physician, Culver’s root is a native American perennial that grows in forests, meadows, and prairies throughout the Midwest. Pink Glow grows to about 4 feet tall with lance-shaped … for local garden conditions. Archived Copy: This content was captured before February 2022, and is no longer being updated. …
    Type: Garden Guide Plant
  • … 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 … at the Chicago Botanic Garden. Archived Copy: This content was captured before February 2022, and is no longer being updated. …
    Type: Garden Guide Plant
  • … five years in late summer or early autumn improves the overall health, disease resistance, and appearance of your lawn. To prepare your lawn, mow grass to 1 inch and choose a high quality grass seed. Make sure that the seeds make contact with the soil for … to remove more than 1/3 of the of the grass blade at a time. Please contact Plant Information Service at (847) 835-0972 or [email protected] for more detailed information. …
    Type: Plant Info
  • … nutsedge is a warm-season perennial weed in the sedge family. The leaf blades are grass-like and triangular. It is usually a lighter green than lawn grass.  Nutsedge thrives on moist, poorly drained sites, so it’s important to maintain a dense, healthy lawn and follow proper cultural care procedures such as mowing at the proper height, fall maintenance, … roots. Yellow nutsedge can also be controlled using herbicides. Please call Plant Information Service at (847) 835-0972 for chemical recommendations or for more information. Please contact …
    Type: Plant Info
  • … they must be part of a regular spray program that includes dormant oil as well as insecticide and fungicide treatments. Whether you choose to use synthetic chemical products or the less … applied in early March, consists of a dormant oil sprayed thoroughly over the tree's trunk and branches. This petroleum-based product is applied before the tree begins active growth, but … on other deciduous trees since they are quite effective in controlling overwintering insects and their eggs. …
    Type: Plant Info
  • … for your region. Provide a site with full sunlight (six hours or more), good air circulation, and well-drained soil that is high in organic matter. Roses are best planted in the spring, … than August 1. Mulch to a depth of approximately 2 to 3 inches to help maintain soil moisture and control weed growth. After temperatures drop to the teens for a few days, mulch the rosebush … Roses are best pruned in early spring, just as they begin to break dormancy. All dead and diseased wood should be removed. Healthy canes should be cut ¼ inch above an outward-facing, …
    Type: Plant Info
  • … dead seeds will float, while the viable ones will sink to the bottom. Dry the viable seeds off and sow them immediately. To test the viability of smaller seeds, place 50 – 100 seeds between … two moistened paper towels. Place the paper towel in a warm location out of direct sunlight and check daily for germination. Seeds should germinate within seven to ten days. If the paper … The fertile seeds should be fleshy and pale or translucent.  Please contact Plant Information Service at (847) 835-8362 or [email protected] for more detailed information. …
    Type: Plant Info
  • … This large perennial (8 to 10 feet) has leaves to 8 inches across that are coarsely lobed and furry. The golden pollen literally covers the leaves. This plant should grow in full sun with temperatures that reliably remain above the mid-20 degree Fahrenheit range and be protected from strong winds. It's not fussy about soil, but the large leaves will wilt … plant is Roldana oaxacana . Archived Copy: This content was captured before February 2022, and is no longer being updated. …
    Type: Garden Guide Plant