Curly-leaf parsley Petroselinum crispum 'Crispum' Photo/Illustration: Steve Aitken 1 2 3 4 5 6 7 8 9 10 11 Curly-leaf parsley (Petroselinum crispum 'Crispum') Pet-ro-seh-LEE-num KRIS-pum Genus: Petroselinum This clumping perennial has triangular, strongly flavored, crinkly leaves. Its bright green foliage livens up any garden. Noteworthy Characteristics: Great foliage plant or use as a groundcover. Edible leaves. Usually grown as an annual, since leaves are coarser in its second year. It is a host plant for black swallowtail butterfly larvae. Care: Provide full sun to part shade and moist but well-drained soil. Propagation: Sow seed in situ from spring to late summer. Germination is slow and erratic. Problems: Stem rot, damping off, and leaf spots. Carrot fly and celery fly larvae. Black swallowtail larvae. Overview Height 1 ft. to 3 ft. Spread 1 ft. to 3 ft. Growth Habit Clumps Light Full Sun to Part Shade Moisture Medium Moisture Characteristics Fragrant Foliage, Showy Foliage Uses Beds and Borders Style Herb Garden Seasonal Interest Spring Interest Type Herbs Petroselinum crispum 'Crispum'View the discussion thread.