… Q: When and how should I deadhead and prune my roses? A: Deadheading—the removal of spent flowers—is a form of pruning. Before … after flowering, because blooms are produced on old wood. Please contact Plant Information Service at (847) 835-0972 or [email protected] for additional information. … Type: Plant Info
… remove flower spikes from the following early blooming perennials: catmint, geraniums, salvia, and delphiniums. Annuals in containers and hanging baskets may require daily watering during hot or windy weather. Continue to fertilize … of daylilies immediately to conserve plant energy. Monitor foliage of densely planted annuals and perennials that might show fungal attacks due to cool, damp weather earlier this season. …
Type: Plant Info
… inches. Begin to regularly pinch back fall-blooming perennials such as chrysanthemums, asters and tall sedums. Pinch once a week until the middle of July. This promotes stocky growth. … support for peony blossoms when the plants are 10 inches tall. Let spring bulb foliage yellow and wither before removing it. The leaves manufacture food that is stored in the bulb for next … the food production of the leaves. Spray emerging lily shoots with antirodent spray if rabbits and deer have been a problem. Be sure to reapply after rainfall. Monitor all annual plantings in …
Type: Plant Info
… 24 hours. Avoid spraying on a windy day. Certain trees have a phototoxicity to dormant oil and should not be sprayed. A few common ones are arborvitae, beech, red maple, Japanese maple, sugar 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 … with a 10 percent solution of bleach before each cut. Prune out sucker growth, water sprouts, and any diseased or dead branches. Remove crossing branches, rubbing branches, or those that grow …
Type: Plant Info
… The leaves of this medium (16 inches tall, 32 inches wide) hosta have dark green margins and bright white centers. 'Fire & Ice' is a sport of H . 'Patriot'. It blooms with fragrant, purple flowers in the summer. Hostas are shade tolerant, easy to grow, and long-lived. Although they produce flowers held high above the foliage on long stalks called scapes, they are grown primarily for their foliage and neat habit. Hostas are actively hybridized for leaf color, size, shape, and texture; natural …
Type: Garden Guide Plant
… Training plants is a garden art form. At its most ornamental and intricate, the art of training plants becomes topiary. Trees or shrubs can be artfully pruned … favor the geometric look in training plants. Consider the number of precisely pruned yew and boxwood shrubs — in globes, flat rectangles, cones, or pyramids. Sunny gardens might feature … of sheared arborvitae or specimen junipers, carefully clipped in sentinel fashion. Standards and Topiaries in Containers European gardens often made use of clay or stone pots planted with …
Type: Plant Info
… Photography is as much about seeing and understanding the subject as it is about the technical side of taking the picture. With an emphasis on composition, this course will explore the difference between how we see and what the camera “sees” through the lens, helping you discover the truly wonderful images can be found in any garden, along any path. FPC required course, nature and landscape track Tobin Fraley, photographer Classroom 4, Learning Center …
Type: Item Detail
… Remove spent blooms after they are finished flowering. Remove spent blooms of annuals and some perennials to encourage new flower formation. Stake tall perennials and continue to tie annual and perennial vines to supports. Continue to apply repellents to emerging summer-blooming lilies, …
Type: Plant Info
… Q. Is it necessary to regularly fertilize my trees and shrubs? If so, how often should it be done? A. Adequate soil fertility begins with good soil. Generally, trees and shrubs do not require synthetic fertilization unless a nutrient deficiency is observed. In addition, normal leaf color and size, as well as annual growth will also dictate whether or not fertilizer needs to be …
Type: Plant Info
… look at a multitude of soil components, organic versus chemical fertilizers, mycorrhiza, and root health. Maximizing growth and maintaining tree health is key to creating quality bonsai. March is a great time to repot, so bring a tree in for repotting; soil will be made and provided for the class. Chris Baker, curator of bonsai, Chicago Botanic Garden Horticulture …
Type: Item Detail
