… Most established trees, shrubs, and perennials require one inch of water per week. It is always best to water deeply and infrequently to encourage good root development. Irrigating these plants one time per week is usually all that is needed to keep them thriving. …
Type: Plant Info
… itself naturally, the way skyscrapers do downtown. Without that kind of framing, a sunrise is just a sunrise, something that happens every day.
One morning, I climbed an overlook near the … and saw the Arch Bridge, tall trees standing in balance, framing it. Right then I knew: This is it. This is Gardenhenge.
The next step was all about timing. I pulled up an app that tracks the sun’s …
Type: Blog
… ), apple ( Malus ), pear ( Pyrus ), firethorn ( Pyracantha ) Description & Symptoms Apple scab is a common fungal infection of crabapple and apple trees. Small, pale green spots appear on the … that cause apple scab. Cool, wet springs typical of the Chicago area favor the disease, which is extremely common among ornamental crabapples and fruiting apple trees. Spores land on the … planted in full sun. When planting an apple or crabapple tree, choose a resistant variety that is less susceptible to apple scab. Resistant varieties may become lightly infected, especially …
Type: Plant Info
… Description & Symptoms Hawthorns, Apples, Crabapples, Quince (deciduous, broadleaf host) Rust is a two-host fungal disease that moves between evergreen cedars or junipers and deciduous … they germinate and form brown galls that start the cycle of infection over again. Damage Rust is extremely unsightly on ornamental plants. Fruit is stunted and misshapen. Trees defoliate early. Treatment & Solutions When possible, avoid …
Type: Plant Info
… Big Ben is a large version of the native false indigo plant. It is a large, upright perennial that produces flower spikes with numerous dark purplish blue … as wild or false indigo due to their use by early Americans as a blue dye. Although "indigo" is in the common name, the blooms of native species may be blue, yellow or white and the blooms …
Type: Garden Guide Plant
… For Chicago-area gardeners, May is typically “go time!” for planting annuals, vegetables, and herbs to fill out the garden. The lawn is actively growing, too. However, this month is a study in contrast, before and after the final … for these worms. Also keep your garden equipment clean to help prevent moving eggs to another site. Jumping worms typically live near the surface of the soil. If you see jumping worms, put …
Type: Plant Info
… than an adult thumb, some are smaller than the width of your pinky nail. The name “Dumbledore” is an Old English term for a bumblebee. Despite what you may expect, bee diversity is most abundant in arid regions like the desert. While some bees do live communally or in hives … female may make her nest in a hole in the ground or in rotted wood. Colony Collapse Disorder is the term given to the mysterious and dramatic disappearance of North American honeybees. It is …
Type: Plant Info
… side stems from evergreens—arborvitae, yews and false cypress—they won’t be missed. The goal is to avoid cutting too far into the shrub and creating a hole. Red-twig dogwood is another great plant for its colorful stems. And winterberry holly offers branches filled with red fruits. Dried hydrangea flowers can be used as is or spray painted gold or whatever color you prefer for winter holidays. Ditto for seed heads …
Type: Plant Info
… number of genera, each with its own unique characteristics. A common characteristic, however, is the basic form of the flower, which consists of three petals surrounded by three sepals—often … nights—though the absolute temperature range (cool, intermediate, or warm) varies by genus and is consistent with their natural habitat. While requiring adequate sunlight for a stunning bloom … sustain the plant through dry periods. Other varieties are monopodial, meaning upward growth is from a single growing point. There is an exception to almost every general statement one can …
Type: Garden Guide Plant
… range of soil types including alkaline soils. A walk around the Garden to view lilacs in bloom is included. The School’s CEUs=3 hours OPC elective Mark Zampardo, Ph.D., horticulture educator …
Type: Item Detail