… of the fruits they’ve eaten. Weed ruthlessly in spring and early summer, rather than waiting for weeds to grow—they’ll be easier to remove, less likely to have spread, and won’t use up the … those who forget to wear gloves and goggles while removing it. Like all weeds, buckthorn is best removed when small. Dig the plant up entirely. Not sure if that sapling is a buckthorn? … most of a low, wet spot, or at least choose plants that like their feet wet. Maybe that low place in the lawn is a good site for a river birch. Weeds that can indicate poorly draining soil, …
Type: Plant Info
… was 48.1 degrees Fahrenheit, which is 8.7 degrees below normal. What did the cold weather mean for our plants? Luckily, nothing devastating. Early bloomers, like winter aconite, crocus, and … of May. Higan cherry ( Prunus subhirtella ‘Autumnalis’) Cherries: Mid-April is prime time for cherries here. They have their own festival in Washington, D.C., and in 2018, they reached … Garden began to keep track of first blooms on our grounds more than 25 years ago, this is the latest we’ve ever seen forsythia bloom. Late bloomers have now all started to exit their winter …
Type: Blog
… Q. What sort of spring care should I provide for my roses? A. April is the appropriate month for some basic and necessary pruning. Pruning not only promotes improved flowering, it is … Timing is important. Begin pruning when dormant roses begin to leaf out in the spring. It is best to wait until temperatures moderate and wide fluctuations are not predicted before …
Type: Plant Info
… dark green, strap-shaped leaves arises from a fleshy underground stem, forming a perfect foil for its masses of beautifully colored flowers. Unfortunately, in many areas of its natural habitat, colonies of wild bush lilies have been destroyed by harvesting for traditional medicine; the plants are extremely toxic but are used medicinally for various … to no water during the winter. Although it is one of those rare plants that actually blooms best if slightly potbound, its roots are perennial, and the plant resents root disturbance (which …
Type: Garden Guide Plant
… even before the plant begins to flower. Grow calla lilies in moist, rich soils in full sun for best flower production. The calla lily is a signature feature of the cut-flower market, and a …
Type: Garden Guide Plant
… panicles grow to 8 inches in height. Growing to 6 feet-by-5-feet, this cultivar is ideal for the smaller garden or where space is limited. It is best grown in full sun to partial shade and in moist soil. Pruning can be done in early spring …
Type: Garden Guide Plant
… the bottlebrush like mass of white stamens. The flowers are scattered along the stems and are best appreciated if a dark background is provided. Semi-shaded light levels with consistently … soils are preferred. Gardeners in the Chicago region will want to provide winter protection for newly planted specimens until they get a few years of age. Archived Copy: This content was …
Type: Garden Guide Plant
… 3 feet tall and wide and was rated highly in the aster trials held at the Garden. Great plant for attracting pollinating insects like honey bees, butterflies and moths. Pinch back the stems beginning in the spring through early July to produce smaller plants. This aster grows best in full sun and well-drained soil. The Latin translation of the specific epithet (species) …
Type: Garden Guide Plant
… wild phlox. Phlox is predominantly a North American genus (one species sneaks into Siberia) best known for its gaudily—some say garishly colored—harbinger of spring, the moss phlox ( Phlox subulata ), … paniculata ). For an idea of the diversity of the garden phlox, you can see Richard Hawke’s latest evaluation report on Phlox paniculata cultivars . The woodland phlox ( Phlox divaricata …
Type: Blog
… the invasion of exotic species. Our ecologists, along with dedicated volunteers, have worked for decades on repairing and restoring this woodland habitat. In 2013, these efforts were … before in the state of Illinois or even new to science. Important research also takes place in McDonald Woods, and care is taken to minimize disturbance to this extremely sensitive … and 2015, removing invasive species and replanting native plants to provide critical habitat for the region’s bird species. We maintain a plant species list for the Reserve and are currently …
Type: Page
