WebMD notes that research in mice suggests that a compound called DL-3-n-butylphthalide made from seeds in the flowers of the celery plant also "improves learning, thinking, and memory".

Celery will be ready for picking from August until the first frosts. To harvest, simply lift plants as required using a hand fork, taking care not to damage neighbouring plants.

With a taste similar to celery and parsley ... When you grow lovage you have an impressive and vigorous plant that can be harvested many times throughout the year - plus it requires little ...