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  • … evergreen tree needs full sun and moist soil conditions to reach a height of 45 feet. It is a specimen in a hedge. …
    Type: Garden Guide Plant
  • … partial shade to full shade and moderate moisture conditions to reach a height of 10 feet. It is a specimen. …
    Type: Garden Guide Plant
  • … full sun to partial shade and moderate moisture conditions to reach a height of 4 feet. It is a specimen. …
    Type: Garden Guide Plant
  • … “The best time to plant a tree is 20 years ago. The second best time is now.”  ―Chinese proverb Warm, sunny days and cool nights have ushered in autumn. Before you … choose a small, spring-flowering ornamental tree. Now’s the time to shop and plant. “October is great for planting,” says Tim Johnson, the Garden’s senior director of horticulture. “Any tree …
    Type: Plant Info
  • … The air is brisk, the sun is at a lower angle in the sky, and the autumnal fireworks have begun. Like spring, fall offers a … in a hedge or along a foundation or fence. It grows from 3 to 5 feet tall and its common name is dwarf fothergilla.   Rhus copallina 'Lanham's Purple’ Flameleaf and shining sumac are common …
    Type: Plant Info
  • … my worms have generated some nice castings (worm poop) from the food I fed them. My compost is ready to harvest! If you started a worm bin or are planning to do so, you will know your bin is ready to harvest when the paper bedding and food scraps have been turned into a dark, fluffy, … worm bin, the castings will be lightly moist and airy, not wet. (Note: If your worm bin is soggy, open the lid and let the bin dry out for a week or so. Do not add any food scraps …
    Type: Blog
  • … many of our favorite vegetable crops such as tomatoes, peppers, and cucumbers, but there still is hope. By the third to fourth week of April, we can begin to plant a salad garden. Most leaf … by using only young and tender leaves. Unfortunately, the price of these tender young greens is staggering. Markets may charge as much as $7 per pound even though it takes less energy and … The mild flavor comes from the many varieties of leaf or Bibb lettuce. The piquant taste is characteristic of mustard greens. The bitter or tart flavor originates with radicchio, …
    Type: Plant Info
  • … Mid- to end of August is the best time to seed bare areas of lawn, overseed thinning grass, or lay down sod. When seeding lawns, use grass seed appropriate to your site. The best choice for most lawns in northern Illinois is a mix of Kentucky blue grass, perennial rye, and fescue seeds. If seeding in a shaded area, …
    Type: Plant Info
  • … ( M. acuminata ), lily magnolia ( M. liliiflora ) Description & Symptoms Magnolia scale is one of the largest of the soft-scale insects that attacks trees by sucking plant fluids and sap. It is most noticeable in late spring and summer when it appears as large, whitish lumps, up to ½ … of immobile adult scales. Applying horticultural oil in the early spring and late summer is the best treatment. Horticultural oil will smother active and recently settled crawlers. When …
    Type: Plant Info
  • … types of poppies, especially those in containers. Which are best for Chicago? A. Early spring is a fine time to appreciate poppy species, since quite a few are considered cool-season annuals … series. The Shirley poppy ( Papaver rhoeas ), found naturalized throughout Europe, is considered an annual that can self-sow. Fat, furry buds open to single, double or semidouble … 2 feet and bloom in spring to early summer. The California poppy ( Eschscholzia californica ) is the famous orange California native that grows 12 to 15 inches. The beautiful ‘Thai Silk’ …
    Type: Plant Info