Chaerophyllum is a genus of flowering plant in the family Apiaceae, with 35 species native to Europe, Asia, North America, and northern Africa. It includes the cultivated root vegetable.
Water as needed to keep the soil slightly moist but never soggy. After watering, allow the soil moisture to dry completely before watering again.
Annuals and perennials may be fertilized using: 1.water-soluble, quick release fertilizers; 2. temperature controlled slow-release fertilizers; or 3. organic fertilizers such as fish emulsion.
These plants are known for being fairly hardy when it comes to experiencing drought or cold temperatures.
Unlike other plants called chervil, rough chervil is poisonous. It can be distinguished by stems that are hairy and purple-spotted (or sometimes completely purple) and swollen below the stem branches (nodes). It grows to about 3 feet tall and flowers from April to June.
