February 3, 2010

Look out for Thousand Cankers Disease in Black Walnut Trees


As reported earlier, the recently-recognized disease called thousand cankers of black walnuts has not been found in Iowa or other parts of the black walnut tree (Juglans nigra) native range

Roses have hips too!


With Valentine's Day just around the corner – roses are on many people's mind. Cut roses are the perfect gift on Valentine's Day and other special occasions. Rose plants are also at

Pruning Grapevines in the Home Garden


For some home gardeners, pruning grapevines is a difficult, confusing chore. However, it's not really difficult if you understand the basic pruning principles and have the right tools. 

Grapevines produce fruit clusters on the previous season's growth. Before pruning, a grapevine may have 200 to 300 buds capable of producing fruit. If the vine is not pruned, the number of grape clusters would be excessive and the grapevine would be unable to ripen the large crop or produce adequate vegetative growth.