You would be forgiven if you mistook the beautifully blue, star-shaped flowers and rough, hairy stems and leaves of Borago officinalis for a perennial garden stalwart. Borage is, however, a robust ...
To get a head start on the growing season, start slow-growing perennial herbs such as rosemary and lavender 10 to 12 weeks before your expected last frost. Start perennial herbs with a moderately slow ...