… entered the United States in packing materials such as wooden crates made out of ash. It is now believed that the emerald ash borer has been in the United States since 1990 or 1991. The … 18 states across the country and Canada. Tens of millions of ash trees have been lost due to this invasive beetle. Biology and Life Cycle Adult beetles are elongated, approximately 1/8 to ½ … 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 …
Type: Plant Info
… May Fertilize roses with a liquid 20-20-20 solution when flower buds are set. Monitor roses for insects and diseases. Check daily for black spot, especially in wet weather. Do not handle rosebushes if foliage is wet and infected. Wait until leaves have dried before removing them and spraying. Monitor … rose slugs (small white caterpillars with black heads) and their damage (tissuelike patches on the leaves). Succulent new green growth is particularly susceptible to aphid attack. Monitor …
Type: Plant Info
… As days grow longer in early spring, gardeners get itchy. And for vegetable gardeners, late March is not too soon to get started. But you can't plant just anything Only a few crops, mainly greens and root vegetables, have seeds that will sprout in cool soil — and to a seed, it's the soil temperature, not the air temperature, that matters. A brief spell of T-shirt weather in …
Type: Plant Info
… Rose breeder David Austin was well aware a really good white rose is a rarity among garden roses, and CLAIRE AUSTIN™. is his response. clusters of pale lemon … placing it close to a door or patio where you can enjoy its fragrance. David Austin is famous for to bringing together the shapes and scents of old-fashioned roses with the repeat bloom, hardiness, and disease …
Type: Garden Guide Plant
… smell them a yard away. And she does repeat, again and again. And when the flowering season is done, she has big, colorful rose hips for winter color. Like all rugosas, she's very hardy (zone 3), and that wrinkled foliage that's … Cut her back to fit in a border, or let her stand tall as a specimen or hedge. Archived Copy: This content was captured before February 2022, and is no longer being updated. …
Type: Garden Guide Plant
… The Wolf River apple originated in the 19th century in Wisconsin. It is generally considered a cooking apple because the flesh is soft and grainy, and it does not … garden. Special attention to pollination, disease/pest vigilance, and pruning may be required for the trees to thrive and fruit in the home environment. Although apple fruit trees produce … Apple trees produce best fruiting when they are between 10 and 30 years of age. Archived Copy: This content was captured before February 2022, and is no longer being updated. …
Type: Garden Guide Plant
… Healthcare Garden Design Certificate Program Innovation in Healing Gardens The Chicago Botanic Garden is not offering the Healthcare Garden Design Certificate Program. Instead, the Chicago Botanic Garden is offering healthcare garden design topics under the Garden Design Certificate program . Please … Innovation in Healing Gardens The Chicago Botanic Garden is not offering the Healthcare Garden Design Certificate Program. Instead, the Chicago Botanic …
Type: Page
… that go by the common name of "milkweed" are the food that these butterflies need. Milkweed is both a food source and a host plant on which the monarch butterflies lay their eggs. Monarchs … (Asclepias) are native: Asclepias amplexicaulis is native to our prairies and is suitable for planting in sunny perennial flower gardens. The flowers are described as "eraser pink" in … The flowers are pink and fragrant. Gardeners may also be interested in three cultivars of this species: ‘Cinderella’ has light and medium pink flowers ‘Ice Ballet’ has white flowers …
Type: Blog
… Q. What are the current guidelines for planting trees and shrubs in the fall? A. Many trees and shrubs can be … and should be planted no later than October 1, or in the spring. Marginal ornamental trees are best planted in spring. They include: Japanese maples, kousa and flowering dogwood, redbud, …
Type: Plant Info
… The Ginkgo is an ancient deciduous conifer. Evidence has been found which shows this tree coexisted with the dinosaurs. Its unusual fan-shaped leaves adorn this large, lovely … smelly." The fruits create a litter problem when they fall. Try to plant only male ginkgoes for this reason. Ginkgo has wonderful yellow fall color. It produces stout spurs along the …
Type: Garden Guide Plant