These beech leaves display leaf striping typical of Beech Leaf Disease. photo credit: R. Robert...
Gardener’s Almanac: Removing Rose Rosette Disease Infected Plants
Garden Supervisor Adam Glas explains best practices on removing plants infected with rose rosette...
Gardener’s Almanac: April 19 – Major Spring Garden Pests
Assistant Garden Supervisor/Plant Health Lars Rasmussen explores the major spring garden pests....
An FYI on the Spotted Lanternfly
Guest Author: Kayonna Tindle, student garden coordinator What is a spotted lanternfly?...
Update: Rose Rosette Disease
Today we removed another 13 rose plants from the Dean Bond Rose Garden because of Rose...
Milkweed Bugs
Strolling in the garden at this time of year, you might be surprised to find your Asclepias spp....
Wool-sower gall
Some of the newly installed oaks on campus appear to have grown cotton balls with pink spots....
Cedar Quince Rust
This spring, orange goop appears to be taking over the Juniperus virginiana ‘Burkii’ in the...
Oh No! My Cherry Trees are Brown
Cherry and magnolia trees are blooming throughout the Delaware Valley but you may be asking why...
What is that smell?
Have you ever notice a “fishy” smell coming from the Dean Bond Rose Garden? This is part of our...
Beyond Beauty: Why your Rose Garden needs more then Roses
Have you visited the modern rose garden? The one interplanted with all types of flowering...
Gardening Best Friends: Allium and Roses
Is your garden plagued by aphids, slugs, cabbage worms, or other pests? If so, Allium may be the...
Allaira petiolata, Garlic Mustard: An ongoing effort in Invasive Removals
Last month, the Arboretum held the annual Crum Creek Clean-up. With the help of 40 staff, faculty,...
The Bird Poop Caterpillar
This cleverly disguised caterpillar was found munching in our gardens this fall. Papilo...
Cycle of Life in your Landscape
This week the cycle of life takes another turn at the Scott Arboretum. We say goodbye the Fagus...
Beautiful Biocontrol: The Scoliid Wasp
If, in late summer, you notice a cloud of wasps careening in arcs and figure eights across the...
Green Roof Destruction
Last month while inspecting the green roof, Gardener Lars Rasmussen noticed extensive damage to...
Mummies in the Wister Greenhouse-IPM at the Scott Arboretum
When I was young I asked Santa for a greenhouse. I secretly hoped for one in the Lord and Burnham...