Caring for roses and treating pests
Last updated 5/5/2022 at 3:03pm
ARS Master Rosarian
There were signs of climate change again this year. Seems as though confusion is the new weather normal. Temperatures and rainfall patterns differed greatly. Rose growth and development are dependent on weather, and flower production is particularly impacted by inconsistent temperatures, sun and water. All of this has made it more difficult for me to predict what to do and when to do it!
The longer time frame for rain and more misty cool nights caused some rust, mildew and botritis fungus to appear quickly. Blooms were affected by botritis which rots the p...