Flat, dark green leaves are deeply cut, with a rich parsley flavour ideal for cooking or salads. Dark Green Italian Parsley Seeds are easy to grow, sturdy plants with stiff upright stems. Holds flavour better than the curly kind when dried. Use parsley in companion planting: Parsley likes asparagus, carrots, chives, corn, onions, and tomatoes. The leaves can be sprinkled on asparagus to repel asparagus beetles, and around roses, to improve their scent. Let some of your parsley go to bloom to attract hover-flies and predatory wasps. Parsley is a biennial plant that forms a long (edible) tap root. Choose deep pots for container growing.No kitchen garden is complete without parsley. Both curly and flat-leaf parsley are loaded with flavour and productive over a long period in your herb garden. Parsley is cold hardy and can even be harvested for much of the winter. Grow parsley in a deeply dug bed. Add a generous amount of rotted manure or finished compost to the bed several weeks in advance, or the previous fall. For summer crops, aim to grow plants in a place where they will receive some shade during the day.