Posts Tagged ‘Neem oil’

Wednesday, February 11, 2009

Rosemary in Winter (Continued): Dealing with Powdery Mildew

Rosemary Stems

Above: A closer look at rosemary (Rosmarinus officinalis).

Most people who try to overwinter rosemary (Rosmarinus officinalis) inside are familiar with powdery mildew, Erysiphe sp. Similar to the whitefly I discussed in the earlier post, this fungus is favored by the indoor conditions that are typically provided in attempt to overwinter rosemary. Read more »

Friday, January 30, 2009

Rosemary in Winter

Rosemary in Cuxa Cloister Rosemary in flower

Left: Rosemary (Rosmarinus officinalis) in the arcade of Cuxa Cloister; right: a rosemary plant in flower.

Although rosemary (Rosmarinus officinalis) is one of the most popular plants at The Cloisters for its great ornamental value and colorful history, this plant does have its problems, which become especially evident when we bring it indoors during the winter months. Read more »