At a Glance

FoliageDeciduous
Height10-15 inches (25-38 cm)
Width10-12 inches (25-30 cm)

Growing Zones

USDA Hardiness Zones

3 - 9
These zones indicate the coldest temperatures this plant can typically survive.
What's my zone? →
Frost Tolerancehardy

Overview

Petroselinum crispum 'Curly' is a biennial herb typically grown as an annual, reaching 10-15 inches (25-38 cm) tall with a spread of 10-12 inches (25-30 cm) and a compact, mounding, rosette habit. Native to the Mediterranean, it produces tightly curled, bright green, finely divided leaves on upright stems from a central crown. The curled leaf form is the result of centuries of selection from the flat-leaf species. Mild, clean, slightly grassy parsley flavor—less pungent than flat-leaf Italian parsley (P. crispum var. neapolitanum). Days to first harvest 70-90 from seed (slow, erratic germination 14-28 days—soaking seed overnight speeds germination). Growth rate is slow initially, then moderate. Cold-tolerant—survives light frost. Bolts to seed in second year or in sustained heat.

Native Range

Petroselinum crispum is native to the central and eastern Mediterranean region—southern Europe and western Asia.

Suggested Uses

Grown in herb gardens, containers, or borders for culinary use—garnish, tabbouleh, chimichurri, soups, sauces, fresh eating. Tightly curled bright green leaves. Milder than flat-leaf. Compact rosette—edging and containers. 70-90 days. Slow germination (soak seed, patience). Cold-tolerant. Biennial—bolts second year. Not suitable for drying (flavor diminishes)—use fresh or frozen.

How to Identify

Distinguished from flat-leaf (Italian) parsley by the tightly curled (versus flat, broad) leaves and the milder (versus more pungent) flavor. Distinguished from cilantro (Coriandrum sativum) by the curled (versus flat, lobed) leaves and the clean grassy (versus citrus-pungent) flavor. Curly parsley—tightly curled bright green, milder than flat-leaf, compact rosette, slow germination 14-28 days, biennial.

Appearance

Size & Dimensions

Height10" - 1'3"
Width/Spread10" - 1'

Colors

Flower Colors

Foliage Colors

Fall Foliage Colors

Bloom Information

Small yellow-green umbel flowers on stalks 18-24 inches (45-60 cm) in the second year or when heat-stressed. Flavor declines after bolting. Remove flower stalks to extend leaf harvest in first year.

Detailed Descriptions

Flower Description

Yellow-green; small umbels; second year or bolting

Foliage Description

Bright green; tightly curled finely divided; compact rosette

Growing Conditions

Sun Requirements

Requires 4-8 hours of direct sunlight daily
• Full Sun: 6+ hours of direct sunlight
• Partial Shade: 3-6 hours of direct sunlight
• Full Shade: Less than 3 hours of direct sunlight

Soil Requirements

pH Range6.0 - 7.0(Neutral)
357912
Soil Types
Drainagewell drained

Water & Climate

Water Needs

Medium

Frost Tolerance

hardy

Time to Maturity

70-90 days from seed to first harvest

Care & Maintenance

Care Guide

Start seed indoors 8-10 weeks before last frost (soak seed overnight—slow germination 14-28 days). Or direct sow in spring. Rich, moist, well-drained soil (pH 6.0-7.0). Consistent moisture. Part shade in hot climates to delay bolting. Days to first harvest 70-90 from seed. Cut outer stems at base—inner growth continues. Cold-tolerant—survives light frost. Biennial—bolts second year.

Pruning

Harvest outer stems at base, leaving inner growth. Cut no more than one-third at a time. Remove flower stalks if they appear in the first year.

Maintenance Level

low

Container Growing

✓ Suitable for container growing

Minimum container size: 2 gallons

⚠️ Toxicity Warning

Non-toxic

Planting Guide

Planting Methods & Timing

Planting Method

both

Indoor Start

9 weeks before last frost

Direct Sow Timing

Spring after last frost; soak seed overnight

Days to Maturity

70–90 days

Plant Spacing

8 inches

Companion Planting

Avoid Planting With