… Q. When is the best time to divide perennials? A. Perennials can be divided in either spring or fall. As a general rule, … the course of the entire growing season. When dividing plants in the fall, allow ample time for roots to become established before winter. For questions regarding dividing specific plants, …
Type: Plant Info
… Something amazing is about to happen in the Bernice E. Lavin Plant Evaluation Garden: dozens and dozens of witch hazels will … the witch hazel trial. Their question: which of the myriad witch hazel cultivars perform best in Chicago's less-than-perfect soils? The Witch Hazel Trial The trial features 22 … bonsai silhouette show in January; it can be seen periodically in the bonsai courtyards. To get to the Bernice E. Lavin Plant Evaluation Garden, cross the Trellis Bridge from Evening Island …
Type: Plant Info
… introduced 1786. Like so many Gallicas, the blooms are often a mixture of colors from lilac to wine purple, but with magenta predominating. The flowers are large (4 inches across) and very … and the birds can enjoy the colorful hips come fall and winter. 'Charles de Mills' is large for a Gallica, up to 5 feet, and it suckers, so left unchecked it can easily get 5 feet wide. Give it room in the back of the border or as a specimen. Other than that, it …
Type: Garden Guide Plant
… roses pack about 100 petals into flowers that are 5" across. No wonder they have a tendency to nod under the weight. ABRAHAM DARBY™ blooms from mid-June to the first hard frost with a … resistance of modern roses. Like all roses, the more sun you give it, the more flowers you'll get in return. Dark green, glossy leaves are disease resistant, but no rose is disease-proof. … Spraying against disease may be a good idea if you can't give it full sun or it's too crowded for good air circulation. Remember that roses, particularly repeat bloomers, are heavy feeders …
Type: Garden Guide Plant
… took seeds of a creamy, white-flowered variant of the southeastern Texas annual sunflower to Europe, or how it made its way to Italy—where it thrived. What we do know is that Italian immigrants brought the seeds back … colorful are goldfinches. Thousands of acres of sunflowers are planted annually, worldwide, for oil production. Although the plant is a native of the United States, sunflower oil was first …
Type: Garden Guide Plant
… Watercolor is a fresh, beautiful way to express a sunset or the reflection of trees and clouds on a pond. You will learn to make expressive marks, mix colors, and apply water mindfully to achieve the sparkling, …
Type: Item Detail
… beautiful woodland. Gardeners often wonder if it's possible, in suburban or even urban areas, to establish a little piece of woodland of their own. Jim Steffen, ecologist at the Chicago … of a building to create needed light shade. The north or east side of a house or garage is best for understory woodland plants since they require only 15 to 20 percent full sun per day to … side. If the soil is too rich, many plants will put out leggy but weak growth. Water only to get plants established. Native plants are used to competing in stressful situations. Encourage …
Type: Plant Info
… NORTHERN BURGUNDY® arrowwood viburnum will grow to a height of 8' to 10'. It is named arrowwood viburnum because Native Americans used the straight stems to make … by birds. The arrowwood viburnum is one of the hardiest and easiest to grow of all viburnums for the garden. This shrub is a Chicagoland Grows® selection. Chicagoland Grows® is a plant …
Type: Garden Guide Plant
… grow space colorful, attractive, and productive. We will discuss a variety of innovative ways to incorporate edible plants into your home landscape. These include maximizing visual impact in …
Type: Item Detail
… arrowwood viburnum gets its name from the bright, shiny green mature foliage. It can grow to a mature size of 12' x 10’, blooms in late May-early June with white flower clusters and blue-black fruit in the fall. This cultivar is noted for producing fruit more abundantly than the species. This shrub is a Chicagoland Grows® … the Morton Arboretum and the Ornamental Growers Association of Northern Illinois formed to promote plant cultivars that perform well in northern Illinois. This variety was derived from …
Type: Garden Guide Plant