Rain and heat each cause problems for roses

This year continued the signs of climate change with above-average rain as well as chaotic weather patterns nationwide along with repeated "atmospheric rivers" throughout California. 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. Typically the first flush of blooms is expected after eight to 10 weeks, usually on the longer side.

The longer time frame for rain and cool nights set up the environment for some rust...