… If not done yet, renovate overgrown shrubs including redtwig dogwood, lilac, and forsythia by removing one-third of the oldest canes. Prune out all ground-level sucker growth … branches of fruit trees, redbuds, or other ornamental flowering trees. If necessary, boxwood and yews can be lightly pruned to maintain geometric form. Avoid overpruning, especially in very …
Type: Plant Info
… Plant perennials, hardy ornamental grasses, and roses. When planting bare-root roses, soak the roots in a bucket of water for several hours before planting. Be sure to choose a full-sun site before digging the hole. Remember that as soon as tall trees leaf out, full-sun areas can become partly shaded. Divide mature summer- and fall-blooming perennials when they are 4 to 6 inches tall. Do not divide day lilies …
Type: Plant Info
… Continue to plant hardy spring-flowering bulbs early this month if weather and soil conditions permit. After planting, broadcast a 5-10-5 fertilizer over the soil surface and water well. If rabbits, rodents, or deer have been a problem in past, consider planting …
Type: Plant Info
… This perennial grows to a height of 1 foot with full sun and moderate moisture conditions. It has purple blooms from May through August. …
Type: Garden Guide Plant
… display in collaboration with the Science Division. Rare books, grafts, grafting knives, and more, that tell the story of grafting through the ages. …
Type: Event for Calendar
… divide clumps of old, nonblooming bulbs or fertilize with a 5-10-5 granular fertilizer now and again in fall. Mark the spots with small stakes for locating next fall. Gently press back any … clumps taking care not to injure emerging new leaves. Cut back to the ground all perennials and ornamental grasses that were left standing for winter interest. Prune back to 12 inches stems …
Type: Plant Info
Pinch off terminal growth buds on rhododendrons to increase next year's buds. Prune all spring-flowering shrubs, if necessary, immediately after they flower. Evergreens, such as boxwood or yew, can be lightly pruned after the new growth fills in to maintain a formal …
Type: Plant Info
… at the Chicago Botanic Garden, yet the information gathered there has national implications—and, though you may not realize it, it’s part of your daily prep for work, school, and play. In a … Reading #1: Temperature Though it looks vaguely like a beehive, the little white structure is a weather shelter that houses two temperature gauges. The maximum temperature thermometer’s … interesting fact: no matter what the air temperature is in winter, the soil seldom drops below 26 degrees (it’s measured at a 4-inch depth). This gauge takes a reading of bare soil …
Type: Blog
… Subtly flamed petals in pink and mauve transition to almost white at the edges of the petals on this tulip whose colors …
Type: Garden Guide Plant
Description: Look for this common migrant warbler it in any wooded habitat at the Garden. …
Type: Birding
