How to Grow Arugula (Serrated Leaf Wild Rocket)

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Arugula (Serrated Leaf Wild Rocket)

Eruca vesicaria subsp. sativa

vegetable

Arugula is a fast-growing leafy green with deeply serrated, lobed leaves and a peppery, nutty flavor. Native to the Mediterranean region, it's prized for salads, cooking, and its bold taste that adds complexity to dishes. The serrated leaf variety offers ornamental appeal alongside culinary value.

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

  1. Plant Arugula (Serrated Leaf Wild Rocket)

    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 Wild Rocket)

    Around May 17

    ≈ 30 days after planting

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

Growing Conditions

☀️
Sun: Full sun (6-8 hours daily) to partial shade; prefers afternoon shade in hot climates
💧
Water: Consistent moisture; keep soil evenly moist but not waterlogged. Water 1-2 inches per week. More frequent watering needed in hot weather to prevent bolting
📏
Spacing: 6 inches
📅
Days to maturity: 30-50 days
🌱
Planting depth: 0.25-0.5 inches

Soil

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

Growing Zones

Find your zone →

Thrives in zones 3-9, with cool-season preference; can be grown year-round in mild climates

2a 2b 3a 3b 4a 4b 5a 5b 6a 6b 7a 7b 8a 8b 9a 9b 10a 10b 11a 11b

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Growth Stages

1

Germination & Seedling

1-2 weeks

Seeds sprout within 3-7 days. First true leaves emerge with characteristic serrated shape

Keep soil consistently moist. Provide bright light. Thin seedlings to proper spacing when 1-2 inches tall

2

Vegetative Growth

2-3 weeks

Plant develops multiple lobed, serrated leaves forming rosette clusters; dark green color intensifies

Maintain regular watering and cool soil temperatures (60-70°F ideal). Mulch to retain moisture and keep roots cool

3

Pre-Harvest Maturity

1-2 weeks

Plant reaches full leaf size (6-8 inches tall), with abundant deeply-lobed serrated foliage ready for harvest

Begin harvesting outer leaves while plant continues growing. This encourages bushier growth and longer productivity

4

Bolting (Late Season)

1+ week

Plant sends up flowering stalks with small white or yellow flowers; leaves become more bitter

Harvest remaining leaves before bolting accelerates. Plant can be allowed to bolt for seed production or removed

Companion Planting

Plan your garden →

Plant with:

Avoid planting near:

Brassicas (cabbage, broccoli, cauliflower) fennel kohlrabi

Common Pests

  • Use row covers on young plants, neem oil spray, insecticidal soap, or diatomaceous earth. Remove affected leaves

  • Spray with strong water stream, use neem oil, insecticidal soap, or introduce beneficial insects like ladybugs

  • and

    Hand-pick early morning or evening, use slug barriers, beer traps, or food-grade diatomaceous earth

  • Use Bacillus thuringiensis (Bt), hand-pick caterpillars, or apply neem oil

  • Yellow sticky traps, neem oil spray, insecticidal soap, or reflective mulches

Uses

🍳

Salads & Fresh Eating

Culinary

Young arugula leaves provide a peppery, pungent flavor perfect for mixed salads, grain bowls, and fresh dishes. The serrated leaves add visual interest and texture to plates. [source]

🍳

Cooking & Pesto

Culinary

Mature leaves can be sautéed, wilted into pasta dishes, or blended into vibrant pesto sauces. Heat mellows the peppery bite slightly while maintaining complexity. [source]

💊

Nutritional & Antioxidant Benefits

Medicinal

Rich in glucosinolates, vitamin K, vitamin C, and antioxidants. Traditionally used to support digestion and overall wellness. [source]

🏠

Microgreens & Sprouts

Household

Arugula seeds are popular for fast-growing microgreens, ready to harvest in 7-14 days for concentrated flavor and nutrition in small spaces. [source]

🦋

Pollinator Support

Wildlife

When allowed to flower, arugula produces attractive white or yellow blooms that attract bees and beneficial insects 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 is 4-6 inches tall, typically 30-40 days after planting. Pinch or cut leaves 1 inch above soil line to encourage bushier regrowth. Morning harvest provides crispest, most flavorful leaves. Young, tender leaves (baby arugula) are milder; mature leaves have stronger peppery flavor. Harvest regularly to delay bolting in warm weather

Fun Facts

  • 🌱 Arugula has been cultivated since Roman times and was used as an aphrodisiac in ancient Mediterranean cultures
  • 🌱 The 'heat' and peppery flavor in arugula comes from glucosinolates, the same compounds found in other cruciferous vegetables like broccoli and cabbage
  • 🌱 Serrated-leaf arugula varieties are often marketed as 'wild rocket' and are considered more flavorful and ornamental than smooth-leaf cultivars

Gardening Terms

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