by Becky Robert | May 25, 2017 | Pests & Diseases
Some of the newly installed oaks on campus appear to have grown cotton balls with pink spots. These are actually a type of tree gall called Wool-sower gall. This gall is produced by the harmless Cynipid gall wasp (Callirhytis seminator). These wasps lay their eggs on...
by Becky Robert | May 18, 2017 | Pests & Diseases
This spring, orange goop appears to be taking over the Juniperus virginiana ‘Burkii’ in the BioStream. During damp springs, cedar quince rust (Gymnosporangium clavipes) produces cushion-shaped, orange, gelatinous blisters through the bark where the branches are...
by Becky Robert | May 11, 2017 | Garden Plants
As we progress through the spring season, green becomes the background color of our gardens. We plant a variety of flowers to create pops of purple, orange, yellow, red, white, and pink. These exciting moments of color can last all growing season if you plant...
by Becky Robert | Apr 27, 2017 | Garden Plants
The Alabama state flower is no longer just a plant for southern living. Over the past several years, breeders have introduced several cold-hardy cultivars of the profusely flowering, shade-loving small tree or shrub. Varieties of camellias can showcase stunning blooms...
by Becky Robert | Apr 6, 2017 | Garden Plants, Pests & Diseases
Cherry and magnolia trees are blooming throughout the Delaware Valley but you may be asking why your flowers are brown and not pink. Some early blooming cultivars of cherries and magnolias have succumbed to frost damage and turned brown. As a result, they have no...
