… were puzzled by the sudden decline and loss of hundreds of ash trees, which they attributed to a nonnative, highly destructive beetle, Agrilus planipennis , commonly called the emerald ash … through August. Higher numbers are normally seen in June and early July. Adult beetles live for approximately three weeks. Beetles will hide in bark crevices and will occasionally feed on … sawyers, and woodworkers can be found on the Illinois Emerald Ash Borer Wood Utilization Team website . The Garden's Response The Garden is taking several measures to protect ashes, which …
Type: Plant Info
… produce astounding color in the natural landscape. While some plants tone down as they prepare to "go gentle into that good night," others turn up the heat and glow with the fire of early fall … are found in many environments with quite differing soil conditions. When choosing a goldenrod for your garden, consider its native habitat before siting it in your own garden. Wet and dry … Garden, Fruit & Vegetable Garden, Landscape Gardens, and McDonald Woods. An end-of-summer visit to these various gardens is a perfect way to admire goldenrod's many forms, as well as note …
Type: Plant Info
… full sun or partial shade. The genus Deutzia consists of medium sized flowering shrubs native to Asia, generally with slender stems and a fine-textured arching habit. The clusters of small … are white on most species, but may be pinkish in a few species and cultivars. Deutzias are best used grouped in informal settings as a hedge or background to a border. These shrubs may benefit from occasional renewal pruning to maintain their dense …
Type: Garden Guide Plant
… rings and how do we get rid of the mushrooms? A. The lawn grass circles you see are referred to as “fairy rings.” They are diseased areas characterized by lush, fast-growing grass growing in … ring can become compacted as the fungus continues to grow underground. There is no easy remedy for controlling fairy rings. Fungicides are not effective; nor are home remedies. The best option is to prevent fairy rings from occurring. Before establishing a new lawn, be sure …
Type: Plant Info
… The cultivar 'Sir John Thouron' is valued for its showy, pale yellow flowers that form a ball-shaped umbrella well above its dark-green … eight years ago that White Flower Farms offered 36 plants for $950 each; all were sold out to a movie star, a fashion designer, and several collectors. (The cost has dropped since then.) … the plant back indoors in fall. The plant is one of those rare plants that actually blooms best if slightly pot-bound, but its roots are perennial. The plant resents root disturbance …
Type: Garden Guide Plant
… February is such an exciting month for gardeners—time for the first seeds to get started indoors, and time for our Seed Swap! As you … old, or questionably stored seeds can test a gardener’s patience and sanity, as even the best-tended pots and plots can’t make nonviable seeds sprout. Seeds don’t live forever (at Seed …
Type: Plant Info
… Spring arrives this month, but winter may be reluctant to depart. Nevertheless, not even the harshest wind—or even a March snowstorm—can dampen the joy … six weeks before they begin new growth. Follow label directions when using a fertilizer. It is best to use a slow-release granular fertilizer or an organic product. Water the fertilizer in … gardening sites can help you locate native plant sales in the Chicago area. For inspiration, visit the Garden’s Native Plant Garden. Learn more Return to the top …
Type: Plant Info
… fungal disorder spread by the elm bark beetle. The fungus can be carried from a diseased tree to a healthy one by the beetle, by the roots of an infected tree grafting together underground … with the roots of a healthy tree, or by contaminated pruning tools. There is no cure for the disease once a tree is infected. Susceptible Plants American elms ( Ulmus americana ) are … For those who own American elms, keeping the tree healthy and reducing stress is the best prevention. Make sure elms receive one inch of water per week, especially during periods of …
Type: Plant Info
… at the Chicago Botanic Garden! Our day included these snapshots of the early morning visitors to the rare phenomenon of a corpse flower in full bloom. We chatted with the early birds and met … the corpse flower that bloomed last September. Maxwell and Lexi (in her Alice T-shirt) Kirchen visit Sprout early this morning before school. Harper, 14 months old, waves at #CBGSprout the … And it is very stinky. Carrie: I happened to see the Facebook post. And we were here every day for Spike (a titan arum that previously was on display at the Garden). Jamie Smith of Highland …
Type: Blog
… What’s the right kind of mulch? How much do I put down? When’s the best time to mulch? How often do I need to amend the mulch? Is mulch the best weed barrier? Great questions … break down or compost into smaller, organically beneficial material. But its primary benefit for trees and shrubs is threefold: To protect and optimize the root zone To protect the trunk, …
Type: Blog
