How to Grow Arugula, Serrated Leaf

Wikimedia Commons

Arugula, Serrated Leaf

Eruca vesicaria subsp. sativa

vegetable

Serrated leaf arugula is a peppery leafy green with deeply lobed, feathery foliage that has a more delicate appearance than standard arugula varieties. It offers the same pungent, mustard-like flavor profile but with a slightly milder taste and more tender texture. This fast-growing cool-season crop is perfect for salads, garnishes, and cooked dishes.

Looking for a specific variety?

When should you plant Arugula, Serrated Leaf in your zone?

Get a personalized planting timeline — when to start seeds, transplant, and harvest — based on your USDA zone and local frost dates. Free to start.

Get my Arugula, Serrated Leaf timeline →

Example Arugula, Serrated Leaf timeline · Pittsburgh, PA (Zone 6b)

  1. Plant Arugula, Serrated Leaf

    Around Apr 17

    Near Pittsburgh's average last spring frost.

  2. Tend & protect

    Late spring–summer

    Watering, feeding, and pest-watch reminders.

  3. Harvest Arugula, Serrated Leaf

    Around May 17

    ≈ 30 days after planting

Sample dates for Pittsburgh, PA. Sign up to get exact Arugula, Serrated Leaf dates for your own zip code.

Growing Conditions

☀️
Sun: Full sun to partial shade; 6 hours of sun daily optimal; afternoon shade beneficial in hot climates
💧
Water: Consistent moisture; water deeply 1-2 times weekly; keep soil evenly moist but not waterlogged; more frequent watering in hot weather
📏
Spacing: 6 inches
📅
Days to maturity: 30-50 days
🌱
Planting depth: 0.25 inches

Soil

Type: Well-draining loamy soil rich in organic matter
pH: 6.0-7.0
Amendments:
Compost aged manure peat moss or coco coir

Growing Zones

Find your zone →

Thrives in zones 3-9; grows year-round in mild climates

2a 2b 3a 3b 4a 4b 5a 5b 6a 6b 7a 7b 8a 8b 9a 9b 10a 10b

Sign up free to see if Arugula, Serrated Leaf grows in your zone — and get a personalized planting timeline.

Get my Arugula, Serrated Leaf timeline →

Growth Stages

1

Germination

5-10 days

Seeds sprout with cotyledons (seed leaves) visible; soil temperature should be 50-65°F

Keep soil consistently moist; avoid crusting over soil surface; provide adequate light to prevent leggy seedlings

2

Seedling

2-3 weeks

First true leaves emerge with characteristic serrated edges; plant is small with 2-4 leaves

Thin seedlings to proper spacing if grown direct; ensure 12+ hours of light daily; maintain soil moisture; avoid waterlogging

3

Vegetative Growth

2-4 weeks

Plant develops multiple deeply lobed, feathery leaves; leafy canopy expands; roots deepen

Maintain consistent moisture and cool temperatures (55-70°F); mulch to retain moisture and cool soil; monitor for bolting in warm weather

4

Pre-Harvest Maturity

1-2 weeks

Plant reaches desired harvest size with 8-12 mature leaves; leaves are tender and full-flavored

Begin harvesting outer leaves to encourage continued growth; provide afternoon shade if temperatures exceed 75°F to delay bolting

5

Bolting (End of Season)

Variable; accelerates in heat

Plant sends up flowering stalks with small white or pale yellow flowers; leaves become bitter and tougher

Harvest remaining leaves before or immediately after bolting begins; allow some plants to flower for seed production if desired

Companion Planting

Plan your garden →

Plant with:

Avoid planting near:

Kohlrabi fennel pole beans

Common Pests

  • Row covers, neem oil spray, insecticidal soap; plant resistant varieties; encourage beneficial insects

  • Floating row covers, Bacillus thuringiensis (Bt), hand-picking caterpillars, companion planting with herbs

  • Strong water spray, neem oil, insecticidal soap, ladybugs, lacewings

  • and

    Hand-picking, beer traps, diatomaceous earth, copper barriers, encourage ground beetles

  • Yellow sticky traps, neem oil, insecticidal soap, reflective mulch

Uses

🍳

Fresh Salads & Peppery Greens

Culinary

Serrated leaf arugula's tender, delicate fronds are perfect for salads where a milder peppery bite is desired. The feathery leaves add visual interest and can be harvested young as microgreens or baby leaves. [source]

🍳

Cooked Dishes & Wilting Greens

Culinary

The serrated variety becomes mild and sweet when cooked, making it ideal for pasta dishes, soups, and sautéed preparations. Its tender texture means it requires less cooking time than heartier greens. [source]

🍳

Pesto & Sauces

Culinary

Blend fresh arugula leaves with garlic, nuts, cheese, and oil to create a vibrant pesto with a peppery kick. The serrated variety's delicate leaves blend smoothly into creamy preparations. [source]

💊

Nutritional & Antioxidant Benefits

Medicinal

Arugula is rich in glucosinolates, which have been studied for potential anti-cancer properties, and contains vitamins K, C, and A. It also provides folate and minerals like calcium and iron. [source]

🦋

Pollinator Attraction

Wildlife

When allowed to flower, arugula produces delicate white or yellow blooms that attract bees and other beneficial pollinators to the garden. [source]

This is not medical advice. LizPlants is not a medical resource. Always consult a qualified healthcare professional before using plants medicinally.

Harvest Tips

Begin harvesting outer leaves when plant has 8+ leaves (30-40 days from sowing); pinch or cut leaves 1 inch above soil level; harvest in morning for best flavor; continue harvesting to encourage bushier growth and delay bolting; serrated leaf varieties are typically more tender for baby leaf harvesting (20-30 days); stop harvesting once plant bolts as leaves become bitter

Fun Facts

  • 🌱 Serrated leaf arugula is sometimes called 'rocket' or 'roquette' in European cuisines and has been cultivated for over 2,000 years in Mediterranean regions.
  • 🌱 The peppery flavor in arugula comes from glucosinolates and isothiocyanates, the same compounds found in wasabi and horseradish, which develop more intensely as the plant matures or is exposed to cooler temperatures.
  • 🌱 Arugula is a cool-season crop that can be harvested year-round in mild climates and is often grown as a winter annual in zones 8-10, making it one of the few vegetables that thrives during cold months.

Gardening Terms

New to gardening? Learn about terms used in this guide:

Join 30,000 gardeners planning their gardens with LizPlants.

Get your personalized Arugula, Serrated Leaf planting timeline

Tell us your zip code and we'll calculate exactly when to start Arugula, Serrated Leaf seeds, transplant seedlings, and harvest — based on your USDA zone and local frost dates. Includes calendar reminders and printable task lists. Free to start.

Get my Arugula, Serrated Leaf timeline →