… or large deciduous trees with dormant oil. Spray if aphids, scale, or mites were a problem in the past. Temperatures must be at least 40 degrees Fahrenheit with no chance of freezing or … maple smokebush, blue spruce, blue cultivars of juniper, and yew. Call Plant Information if in doubt. To reduce the spread of oak wilt, all oak pruning should be completed in March, or … trees and shrubs before they break bud and when soil conditions permit. If spring weather is unusually wet, consider planting in the fall when the plants begin their dormancy. With all …
Type: Plant Info
… labs also test for the presence of heavy metals. An up-to-date list of soil testing labs is provided by the University of Illinois Extension and can be found at …
Type: Plant Info
… to foster wonder about the natural world. This class will feature storybooks where cooking is part of the plot, following recipes for different learners, using kitchen tools, the …
Type: Item Detail
… Summer is the best time to work on your tropical bonsai trees. This comprehensive workshop covers all …
Type: Item Detail
… two feet tall and about eighteen inches wide and may require staking if flower production is high. Deadheading will prolong the flowering period. …
Type: Garden Guide Plant
… ‘Ostfriesland’ is an upright clump-forming perennial known for its compact form, long bloom period, purple stems …
Type: Garden Guide Plant
… change, many gardeners are reconsidering the important roles that native plants can play in home landscapes. But just because a plant has been growing somewhere for as long as anyone can … doesn't mean it's a native plant! Important to the ecosystem Native plants are those found in a specific region that began growing there naturally, without being introduced either directly … they often grow so rampantly that they choke out native plants. The unfortunate result is less biodiversity, and an ecosystem that needs to be restored. Urban development also has a …
Type: Plant Info
… or big-box store has sprays and cans of paint designed for outdoor use. Many paints now come in an assortment of wild colors—mauve, purple, yellow, red, violet, and blue—and include primer, … to the side of a wall or fence and let it reveal other parts of the garden. Placed in a shady site, the mirror will lighten things up. Group It Not using those old colorful bowling balls? … teach you to make beautiful mosaics like these below made by Gloria Ciaccio. Nina Koziol is a garden writer and horticulturist who lives and gardens in Palos Park, Illinois. …
Type: Plant Info
… to harvest fresh berries from your own backyard? If so, this class will show you how easy it is to successfully grow berry fruits. You will learn how to choose the best varieties, select and prepare a site, and use proper planting and pruning techniques, as well as understand other maintenance …
Type: Item Detail
… spinach, and garden peas—and learn a bit about paper engineering along the way. No experience is necessary, but bookbinding or paper craft skills will speed your progress. All tools and …
Type: Item Detail
