… on healthy trees really doesn’t make much sense. If the tree has been under attack in the past from scale, mites or aphids, then an application of dormant oil is warranted. Dormant oil may be …
Type: Plant Info
… and how much of the entire root mass was affected. To check for damage, remove each plant from its pot and check the condition of the roots. Healthy roots are firm and white; infected or …
Type: Plant Info
… attractive all year. The flowerheads of some species change color as they develop, moving from a whitish-green to pale pink and finally to a bronzed look that often persists through …
Type: Plant Info
… roots. Plant the pieces 1 inch deep, and cut the foliage down to a 6-inch fan that faces away from the planting circle. Siberian iris ( I. sibirica ) can be divided in July by digging up the …
Type: Plant Info
… rake up and remove all diseased foliage on a regular basis to prevent fungal spores from overwintering on plant material. …
Type: Plant Info
… at lower temperatures until the ground freezes. Some plant species prefer to be transplanted from late summer to early fall (through mid-October). Fall transplanting is especially …
Type: Plant Info
… studies at Yale University with Ellen Dickinson in 2007; graduated with greatest distinction from the Royal Carillon School in Mechelen, Belgium in 2012; and studied further with Geert …
Type: Event for Calendar
… to McDonald Woods for the 1 p.m. guided tour. Enjoy spring’s beauty in McDonald Woods—from delicate wildflowers and budding trees to the sounds of birdsong. Get involved with our …
Type: Event for Calendar
… in large, upright clusters of five petals with yellow stamens. The flowers can last anywhere from seven days to a month. The large, smooth, leathery leaves are 2 1/2 inches long and 1 1/2 …
Type: Garden Guide Plant
… deep enough to remain cool. Lower plants surrounding the lilies will help protect their roots from drying out. Lilies make an excellent cut flower with long lasting blooms and buds that …
Type: Garden Guide Plant
