How to Grow Cima di Rapa

iNaturalist

Cima di Rapa

Brassica rapa subsp. sylvestris

vegetable

Cima di rapa, also known as broccoli rabe or rapini, is an Italian leafy green vegetable with small florets and tender stems. It has a slightly bitter flavor and is rich in nutrients including vitamins A, C, and K. This cool-season crop is prized in Mediterranean cuisine and grows quickly, typically maturing in 50-70 days.

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Example Cima di Rapa timeline · Pittsburgh, PA (Zone 6b)

  1. Plant Cima di Rapa

    Around Apr 17

    Near Pittsburgh's average last spring frost.

  2. Tend & protect

    Late spring–summer

    Watering, feeding, and pest-watch reminders.

  3. Harvest Cima di Rapa

    Around Jun 6

    ≈ 50 days after planting

Sample dates for Pittsburgh, PA. Sign up to get exact Cima di Rapa dates for your own zip code.

Growing Conditions

☀️
Sun: Full sun, 6+ hours daily; tolerates partial shade in hot climates
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Water: Consistent moisture; keep soil evenly moist but not waterlogged. Water deeply 1-2 times per week depending on rainfall and temperature.
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Spacing: 6-12 inches
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Days to maturity: 50-70
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Planting depth: 0.25-0.5 inches

Soil

Type: Well-draining loamy soil rich in organic matter
pH: 6.0-7.5
Amendments:
Compost aged manure bone meal balanced fertilizer

Growing Zones

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Thrives in zones 3-9 as a cool-season crop; best planted in spring or fall

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

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Growth Stages

1

Seedling

7-10 days

Tiny heart-shaped cotyledons emerge, followed by first true leaves with serrated edges

Keep soil consistently moist. Thin seedlings to proper spacing when 2-3 inches tall. Provide adequate light to prevent leggy growth.

2

Vegetative Growth

20-30 days

Plant develops multiple lobed leaves on sturdy stems; leafy canopy expands. No florets yet.

Water regularly and maintain consistent moisture. Apply balanced fertilizer every 2-3 weeks. Monitor for pests. Thin to final spacing if needed.

3

Floret Formation

10-15 days

Small leafy broccoli-like florets begin to form at stem tips and leaf axils. Plant reaches near-full size.

Continue consistent watering and fertilizing. Provide steady temperatures (60-70°F ideal). Avoid heat stress which can cause bolting.

4

Harvest-Ready Maturity

Ready to harvest

Central floret cluster is tender, tightly formed, and 2-4 inches with leafy stems. Secondary florets develop along stems.

Harvest central head before flowers open. Continue harvesting side shoots for extended production over 3-4 weeks.

5

Secondary Sprouting

2-4 weeks

After main head harvest, smaller secondary shoots develop along the stem for additional harvests

Continue watering and light fertilizing. Keep harvesting to encourage more side shoots. Use scissors to cut shoots 4-6 inches long.

Companion Planting

Plan your garden →

Plant with:

Avoid planting near:

Cabbage broccoli cauliflower kale other brassicas (can increase pest and disease pressure) fennel tomato

Common Pests

  • Use row covers on young plants, hand-pick larvae, apply Bacillus thuringiensis (Bt), or use neem oil

  • Use row covers, apply neem oil or spinosad, dust with diatomaceous earth, maintain good air circulation

  • Spray with strong water stream, use insecticidal soap, apply neem oil, encourage beneficial insects

  • Hand-pick bugs and egg clusters, use row covers, apply neem oil, plant trap crops

  • Use row covers, apply spinosad to soil at planting, use beneficial nematodes, rotate crops

Uses

🍳

Sautéed Side Dish & Pasta

Culinary

Cima di rapa is a classic Italian dish sautéed with garlic, olive oil, and red pepper flakes, often served with pasta or alongside grilled meats. The tender florets and stems have a pleasant slight bitterness that complements rich foods. [source]

🍳

Fresh Salads & Blanching

Culinary

Young, tender cima di rapa leaves and florets can be eaten raw in salads or quickly blanched for 2-3 minutes and dressed with vinaigrette. Blanching reduces bitterness while retaining nutritional value. [source]

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Nutritional Powerhouse

Medicinal

Cima di rapa is exceptionally rich in vitamins A, C, K, and contains glucosinolates and indole compounds with potential anti-cancer properties. It provides minerals like calcium, iron, and potassium. [source]

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Juice & Smoothies

Household

Fresh cima di rapa can be juiced with apples or ginger for a nutrient-dense green juice, or blended into smoothies for a mineral boost with minimal bitterness. [source]

🦋

Pollinator Support

Wildlife

If allowed to flower, cima di rapa produces delicate yellow flowers that attract bees and beneficial insects, making it valuable for supporting pollinator populations in 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

Harvest the central floret cluster when it is 2-4 inches long and still tightly formed, before flower buds open. Cut or snap at the base of the cluster. Harvest in the morning for best flavor and tenderness. After removing the main head, continue harvesting tender side shoots that develop along the stem for 3-4 weeks of extended harvest. Use a sharp knife to cut shoots 4-6 inches long with attached leaves.

Fun Facts

  • 🌱 Cima di rapa is a traditional Italian vegetable dating back centuries, particularly popular in Calabria and other Southern Italian regions, where it's called 'friarielli' or 'broccoli di rabe'
  • 🌱 Unlike true broccoli, cima di rapa is not a distinct cultivar but rather a wild form of turnip that was domesticated for its edible leaves and immature flowering shoots
  • 🌱 The name 'cima di rapa' literally means 'turnip tops' in Italian, as it was traditionally the edible tops of turnips that farmers would harvest and eat before the roots matured

Gardening Terms

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