… and can be planted when all danger of frost has passed. They can be started indoors in pots to achieve earlier blooming. They require at least eight hours of sun to be at their best. Dahlias are ot hardy in the Chicago area, and tubers must be dug, cleaned, and stored for the winter. …
Type: Garden Guide Plant
… with its shorter days and cooler nighttime temperatures, it may be the busiest of months for many gardeners. Vegetable gardeners have their hands full—literally and … tasks, including seeding and fertilizing, can begin in earnest. September also is a good month to plant many varieties of trees and shrubs. Garden To-Do List Continue to harvest vegetables The … amend it properly to provide the nutrients it needs. Collect soil samples on a dry day. It’s best to test turf soil and garden soil separately. Refrain from adding synthetic fertilizers or …
Type: Plant Info
… Renowned for its healing powers, common St. Johnswort is now found in most parts of the world. It has been used as a sedative, a treatment for malaria and depression, and a salve for wounds, burns, and insect bites. Its name is derived … growing 2 feet tall, common St. Johnswort flowers from May through August, performing best in full sun, where it produces yellow blooms with five petals, five sepals, and many …
Type: Garden Guide Plant
… August’s warm weather provides an opportune time for Chicago-area gardeners to enjoy their efforts, whether it’s admiring the flowers lavishly blooming in the yard, or … of some annuals and perennials to encourage additional blooms and to keep plants looking their best. However, let certain dried flowerheads stand for fall and winter interest; good choices … long, and looks like a smudge of clay. Check out the Illinois Department of Agriculture’s website to learn more about spotted lanternfly and other invasive pests. Water young trees and …
Type: Plant Info
… look, you’ll notice signs of wildlife all around you, too. Their connection makes for the best kind of codependency. Killdeer, a shorebird that commonly nests at the Garden. Plants and … and other perennial seeds. Crabapple and dogwood trees set fruit that many birds like to feed on in late fall and winter. In addition to plants providing food to all kinds of wildlife … Sometimes, nature lends a helping hand to protect the plants, too. Foxes and coyotes that visit the Garden on occasion chase away geese and voles, small rodents that damage the bark of …
Type: Blog
… activities. Acquire solid gardening skills, learn a variety of techniques, and determine best management practices in the field of horticulture. Gain applicable skills in plant … pruning techniques, tool maintenance, and identification and control of common weeds. Dress for the weather. A supply list will be sent. PGL 1, PGL 2, GDC requirement Mark Zampardo, Ph.D., …
Type: Item Detail
… reach a height of 50 feet with a spread of 35 feet. The sugar maple is an excellent shade tree for lawns and parks. Tiny yellowish-green flowers appear in spring before the leaves emerge. The … samaras, matures in the fall. Autumn color is highly variable, ranging from yellow or orange to red, but it is always outstanding. One of the best known trees of eastern North America, sugar maple is as prized for its ornamental value as …
Type: Garden Guide Plant
… Strict adherence to the cultural needs of this plant is essential. In residential areas, this plant is best grown in the consistently moist soils of a bog garden. The bog garden should be prepared in … mulch. If a bog garden is not available, then growing plants in containers may be the next best option. Plants require full sun. In part shade, leaf coloring does not develop as it should …
Type: Garden Guide Plant
… snap beans, broccoli, cabbages, cauliflower, carrots, mustard greens, spinach, and radishes for fall harvesting. Cool-season lettuces, mesclun mixes, and unusual greens that were planted in … again this month. If weather is unusually hot, plant these greens in partial shade. The best quality and best tasting salad greens come from plants that were watered frequently and lightly rather than infrequently but deeply. This advice is the exact opposite to what is recommended for watering trees, shrubs, perennials, grass, and other plants. When …
Type: Plant Info
… Q. I would like to bring some of my patio plants indoors for the winter. Is it necessary to change the soil or repot them first? A. Most plants do not appreciate being repotted in early fall. This chore is best done in spring right before a plant begins its new growth. If your patio plants are insect- …
Type: Plant Info
