Monthly Archives: July 2012

Gaura Rust

Gaura lindheimeri is a plant native to southwestern Louisiana and Texas that is becoming increasingly popular as a landscape plant because it is a sun-loving, summer-flowering perennial that once established is fairly drought tolerant. For more on the horticultural merits … Continue reading

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Cercospora Leaf Spot of Hydrangea

Received these photos of Cercospora leaf spot on hydrangea from Gerald Roberts, county agent in Lafayette Parish.  This disease is caused by the fungus Cercospora hydrangeae, which reproduces on infected leaves that have fallen to the ground. The spores produced … Continue reading

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