Lavandula stoechas, or Spanish lavender, has distinctive tufted flower heads and a slightly stronger scent. Another variety, Lavandula dentata , also known as French lavender, sports toothed ...

Lavandula stoechas, the Spanish lavender, has done moderately well if provided excellent drainage and not overwatered. Citrus whiteflies feed on the sap of a tree, then a fungus called sooty mold ...