Parsley

Growing Conditions

Growing Zones

Thrives in USDA Zones 3 - 10

Companion Planting

When to Plant

• Start Indoors

  10 - 12 weeks before last frost

• Direct Sow

  4 - 6 weeks before last frost; soak seeds overnight to speed germination

• Harvest

  Harvest outer stems from the base; plants continue producing all season

Organic Growing Tips

• Soak seeds in warm water for 24 hours before sowing to soften the hard seed coat and speed germination.

• Leave second-year plants to flower - they become powerful beneficial insect attractors.

• Grow in rich, compost-amended soil and mulch around plants to retain moisture — parsley is slow to establish and rewards good soil preparation with strong, productive growth throughout a long season.

• Black swallowtail caterpillars eat parsley; leave a few plants for them as a contribution to butterfly populations.

Common Pests

• Aphids
• Parsley Worm (Black Swallowtail larva)
• Carrot Fly

Taxonomy

Kingdom

Plantae

Family

Carrot family (Apiaceae)

Genus

Petroselinum

Species

Petroselinum crispum

Natural History

The scientific name Petroselinum crispum derives from the Greek petra (rock) and selinon (celery) - rock celery - reflecting the plant's preference for stony, well-drained sites in its Mediterranean homeland. The Greeks called it selinon petroselinum to distinguish it from celery, which was simply selinon. Among the Greeks, parsley carried a strong association with death and the underworld: it was used to make garlands for the dead and to decorate tombs, and the Greek idiom "to be in need of parsley" (deithai selinon) meant to be at death's door. Parsley was also associated with the hero Archemorus, whose name means "forerunner of death." The Romans took a more practical view, adopting parsley enthusiastically as a culinary herb and cultivating it widely, and Pliny the Elder wrote admiringly of its flavour in the 1st century CE. The reversal from funeral herb to kitchen staple was complete by the early medieval period, when parsley appears in Charlemagne's Capitulare de Villis of around 812 CE as a plant required on all imperial estates. The curly-leaf form now dominant in British and American kitchens was developed over centuries of selection from naturally flat-leaved wild types; flat-leaf parsley (sometimes called Italian parsley) retains stronger flavour and easier cleaning. Hamburg rooted parsley, which produces a substantial pale root used like parsnip or celeriac, was developed in 18th-century Germany and remains important in German, Polish, and Eastern European cooking.

Traditional Use

Parsley moved from funeral herb to kitchen essential across two thousand years of cultivation, and its history reflects both the richness of Mediterranean plant culture and the sometimes dramatic reversals in how plants are understood across time.

• Ancient Greek Death Associations - Leaves

  For the ancient Greeks, parsley was inseparable from death and mourning. Wreaths of parsley adorned the dead at funerals, and the phrase "to need parsley" was a common idiom for someone near death. The Nemean Games, one of the four great Panhellenic festivals, used parsley rather than olive or laurel to crown its victors - a connection rooted in the mythological death of the infant Archemorus, whose name the Greeks interpreted as "forerunner of death." Pliny later noted this Greek funerary tradition with some bemusement, contrasting it with the Roman preference for using parsley as a table herb and garnish.

• Roman Culinary Adoption - Leaves

  The Romans effectively rehabilitated parsley from its Greek funerary associations and made it a standard kitchen herb. Pliny the Elder praised it in his Naturalis Historia (77 CE), and it appears in Roman recipes for sauces and seasoned dishes. The Romans also spread parsley cultivation north into Britain and across Gaul, where it became embedded in medieval kitchen garden practice. By the 1st century CE, Roman cooks used parsley with fish, in vinegar sauces, and as a table garnish in ways that would be familiar in a modern kitchen.

• Medieval Kitchen Garden Tradition - Leaves and roots

  Charlemagne's Capitulare de Villis, issued around 812 CE, listed petrosilinum (parsley) among the herbs required on all imperial estates - evidence of how thoroughly it had been absorbed into European kitchen practice. John Gerard, writing in his 1597 Herball, described parsley as "common in every garden" and discussed its uses in detail, including both leaf and root. By the medieval period parsley was grown in monastery physic gardens across northern Europe, its earlier Greek associations with death entirely forgotten in favour of its value as a flavouring and digestive herb.

• French Fines Herbes and Persillade Tradition - Leaves

  French cuisine elevated parsley to a foundational role it retains today. It is one of the four classic fines herbes alongside chervil, chives, and tarragon; it anchors the bouquet garni in almost every version; and persillade - a combination of chopped parsley and garlic - is a finishing sauce used across French regional cooking from Provence to Normandy. The preference in professional French kitchens for flat-leaf over curly parsley is long-established, on the grounds that flat-leaf has cleaner flavour and better texture. French horticultural literature of the 17th and 18th centuries documents careful selection of named parsley varieties for leaf type, root size, and germination reliability.

Parsley leaves are a safe culinary herb with a continuous use history stretching back over two thousand years. Parsley seeds and concentrated extracts are a different matter and have been used in high doses to provoke uterine contractions - seed preparations are not culinary material. Wild carrot-family plants can resemble parsley closely enough that correct identification of any foraged plant matters.

This information is provided for historical and educational purposes only and is not medical advice. Always consult a qualified healthcare professional before making decisions related to your health.

Morphology (Plant Structure & Identification)

• Root System

  Long pale taproot with fine feeder roots. Root parsley types form larger edible roots, while leaf parsley still dislikes rough transplanting.

• Stem

  Low crown in the first year, then tall ribbed flowering stems in the second year. Harvest outer stems from the base to keep plants productive.

• Leaves

  Bright green divided leaves, either curly or flat, with a fresh grassy aroma. Flat-leaf types are easier to clean and often stronger flavored.

• Flowers

  Second-year plants produce greenish-yellow umbels that attract small wasps, hoverflies, and other beneficial insects.

• Fruit

  Small ribbed seeds mature in umbels after flowering. The usual harvested crop is the leaf stem and leaflet cluster.

Known Varieties

Common cultivars worth knowing

• Giant of Italy

  Large flat-leaf parsley with strong flavor and vigorous growth.

  Best for: cooking, fresh harvests

• Italian Flat Leaf

  Classic flat parsley with clean flavor and easy chopping.

  Best for: kitchen use

• Moss Curled

  Dense curly parsley with decorative texture.

  Best for: garnishes, edging

• Hamburg Rooted

  Parsley grown for a pale edible root as well as leaves.

  Best for: roots, soups

• Forest Green

  Curly type with dark leaves and upright growth.

  Best for: containers, garnish