![](http://extension.udel.edu/ornamentals/files/2017/04/sweet-vernal-grass-300x225.jpg)
Sweet vernal grass in a sod field on March 24, 2017. Photo credit: Peter H. Dernoeden, PhD.
![](http://sites.udel.edu/ornamentals-dev2/files/2017/04/Growth_on_tree_trunk_-_geograph.org_.uk_-_724687.jpg)
Burls on a tree trunk in Norfolk County, England. Photo credit: Wikipedia
![](http://extension.udel.edu/ornamentals/files/2017/04/Appalachian-Blush-blooms-300x225.jpg)
Appalachian Blush flowers, pink edges in cool spring. Photo credit: Mark Windham, U of TN
![](http://extension.udel.edu/ornamentals/files/2017/04/Appalachian-Blush-whole-tree-205x300.jpg)
Appalachian Blush whole tree. Photo credit: Mark Windham, U of TN
![](http://extension.udel.edu/ornamentals/files/2017/04/ETC-tent-from-TW-300x200.jpg)
Eastern tent caterpillar tent in branch crotch.
Photo credit: Tracy Wootten