How to Grow Rucola Selvatica

iNaturalist

Rucola Selvatica

Diplotaxis tenuifolia

vegetable

Rucola Selvatica, also known as wild arugula, is a peppery leafy green that is more robust and flavorful than cultivated arugula (Eruca sativa). This perennial or self-seeding annual produces deeply lobed, feathery leaves with an intense, complex peppery bite that intensifies as the plant matures. It is hardier and more drought-tolerant than common arugula.

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Example Rucola Selvatica timeline · Pittsburgh, PA (Zone 6b)

  1. Plant Rucola Selvatica

    Around Apr 17

    Near Pittsburgh's average last spring frost.

  2. Tend & protect

    Late spring–summer

    Watering, feeding, and pest-watch reminders.

  3. Harvest Rucola Selvatica

    Around May 27

    ≈ 40 days after planting

Sample dates for Pittsburgh, PA. Sign up to get exact Rucola Selvatica dates for your own zip code.

Growing Conditions

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Sun: Full sun to partial shade; prefers 6+ hours of sun daily, tolerates afternoon shade in hot climates
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Water: Keep soil consistently moist but not waterlogged. Water deeply 1-2 times per week depending on rainfall and temperature. Drought-tolerant once established, but leaves are more tender with regular watering.
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Spacing: 6-12 inches
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Days to maturity: 40-60
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Planting depth: 0.25-0.5 inches

Soil

Type: Well-draining, moderately fertile loamy soil
pH: 6.0-7.0
Amendments:
Compost Aged manure Peat moss or coconut coir

Growing Zones

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Thrives in zones 4-10; cold-hardy perennial in zones 6-9, grown as annual in cooler climates

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

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Growth Stages

1

Germination & Seedling

5-14 days

Tiny seed leaves emerge within 5-10 days. True leaves are deeply lobed and feathery from the start, distinguishing them from seedlings of regular arugula.

Keep soil consistently moist during germination. Thin seedlings to proper spacing once they have 2-3 true leaves. Avoid overwatering to prevent damping-off.

2

Vegetative Growth

2-3 weeks

Plant develops multiple lobed, feathery leaves in a rosette pattern. Growth is vigorous and the plant becomes bushier with more branching than common arugula.

Water consistently to encourage tender leaf growth. Apply mulch to retain moisture and regulate soil temperature. Begin light harvesting once leaves are 3-4 inches long.

3

Mature Leaf Stage

3-6 weeks

Plant reaches full size with abundant deeply divided leaves. Flavor becomes more intense and peppery. Plant may remain vegetative for extended periods before bolting.

Harvest outer leaves regularly to encourage continued production. In warm weather, provide afternoon shade to delay bolting. Continue consistent watering.

4

Flowering & Bolting

2-4 weeks

Plant sends up flowering stems with small pale yellow or white four-petaled flowers. Leaves become tougher and more intensely flavored, though some find them too bitter.

Once bolting begins, harvest is less productive. Allow flowers to bloom if you want to collect seeds for next season. Remove flowering stems if tender leaves are priority.

5

Seed Production

3-4 weeks

Flowers develop into long, thin seed pods (siliques). Seeds mature within the pods and turn brown when ready.

Allow pods to dry on the plant. Collect seed pods when brown and dry them indoors. Store seeds in a cool, dry place for next season.

Companion Planting

Plan your garden →

Plant with:

Avoid planting near:

Brassicas (cabbage, broccoli, cauliflower) in large quantities Fennel

Common Pests

  • Use row covers on young plants. Neem oil or insecticidal soap spray. Plant trap crops like radishes nearby. Remove affected leaves.

  • Strong water spray to dislodge. Neem oil or insecticidal soap. Encourage beneficial insects like ladybugs and parasitic wasps.

  • Use row covers. Bacillus thuringiensis (Bt) spray. Hand-pick caterpillars. Remove damaged leaves promptly.

  • and

    Remove debris and mulch near plants. Copper tape barriers. Beer traps. Hand-picking at dusk. Encourage ground beetles.

  • Ensure good air circulation. Water at soil level, not foliage. Remove affected leaves. Sulfur or neem spray as preventive.

Uses

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Salads & Fresh Cooking

Culinary

Rucola Selvatica adds a bold, peppery punch to mixed green salads, pasta dishes, pizzas, and sandwiches. The intense flavor works well in small quantities to balance milder greens. Young, tender leaves are best eaten raw, while mature leaves are better cooked or used sparingly in salads. [source]

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Pesto & Condiments

Culinary

The robust flavor makes an excellent pesto base, blended with garlic, olive oil, nuts, and cheese. Also used in sauces, marinades, and dressings for bold flavor without requiring large quantities. [source]

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Nutritional & Anti-inflammatory Properties

Medicinal

High in glucosinolates, vitamin K, vitamin C, and calcium. Traditional use suggests anti-inflammatory and digestive benefits. Contains compounds with potential anticarcinogenic properties. [source]

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Aphrodisiac & Historical Use

Household

Arugula has been valued since Roman times as an aphrodisiac and aphrodisiac tonic. Traditionally served to enhance vitality and sexual performance. [source]

🦋

Pollinator & Beneficial Insect Support

Wildlife

When allowed to flower, Rucola Selvatica produces abundant small flowers that attract bees, hoverflies, and other beneficial insects. The flowering stage provides critical nectar and pollen sources. [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 once the plant is 4-6 inches tall, typically 30-40 days from planting. Pinch or cut leaves at the base to encourage bushier growth and continued production. Harvest in the morning for best flavor and texture. Young leaves (3-4 weeks old) are most tender; mature leaves are intensely peppery and often too strong for some palates. For perennial growth zones, continue harvesting throughout the season by removing outer leaves; plant will regrow from the center.

Fun Facts

  • 🌱 Rucola Selvatica is a perennial plant that can produce for 2-3 years or longer in mild climates, unlike common arugula which typically lasts one season.
  • 🌱 The feathery, deeply lobed leaves are botanically distinct from common arugula (Eruca sativa), allowing for easy visual identification even as seedlings.
  • 🌱 In Italy, Rucola Selvatica (also called 'ruchetta') is considered superior to common arugula by many chefs for its complex, peppery flavor and is often foraged from wild populations.

Gardening Terms

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