How to Grow Broadleaf Cress

Broadleaf Cress

Broadleaf Cress

Lepidium latifolium

vegetable

Broadleaf cress is a hardy, fast-growing leafy green with broad, lobed leaves and a peppery, mustard-like flavor. It is highly cold-tolerant and can be harvested within weeks of planting, making it an excellent choice for quick salads and garnishes. The plant is also known as dittany or pepperwort.

Growing Conditions

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Sun: Full sun to partial shade; 4-6 hours of sunlight daily optimal, tolerates light shade
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Water: Keep soil consistently moist but not waterlogged. Water regularly, especially during dry spells. More frequent watering needed in hot weather to prevent bolting.
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Spacing: 6 inches
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Days to maturity: 20-40 days
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Planting depth: Surface sow or 0.25 inches deep; seeds need light to germinate

Soil

Type: Well-draining loamy soil, tolerates poor soils
pH: 6.0-7.5
Amendments:
Compost Aged manure Peat moss for moisture retention

Growing Zones

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Thrives in zones 3-9; excellent cold tolerance allows year-round growth in cool climates

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

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Growth Stages

1

Germination & Seedling

5-10 days

Tiny seedlings emerge with narrow cotyledons within 5-10 days. First true leaves are small and lobed.

Keep soil moist and provide bright indirect light. Thin seedlings to 6 inches apart if direct sown. Protect from heavy rain that may wash away small seeds.

2

Vegetative Growth

10-25 days

Plant develops characteristic broad, deeply lobed leaves with increasingly peppery flavor. Compact, bushy form develops 3-8 inches tall.

Maintain consistent moisture and cool temperatures (below 75°F preferred). Harvest outer leaves to encourage bushier growth. Provide light fertilization if needed.

3

Early Bolting

Varies by temperature

Flower buds begin to form at center of plant, signaling plant is transitioning to reproduction.

Harvest leaves before bolting or plants become bitter. Pinch off flower buds if you want to extend harvest. Provide consistent water and shade in hot weather.

4

Flowering

1-2 weeks

Small white or pale yellow flowers appear on elongated stems above foliage.

Leaves become more peppery and bitter. Allow plants to flower if saving seed. Otherwise, remove flower stems to temporarily delay maturity.

5

Seed Production

2-3 weeks

Flowers develop into small, flat, rounded seed pods (silicles) that dry and split to release seeds.

Allow pods to dry on plant if collecting seed. Harvest seed pods before they shatter. Self-seeds readily if allowed to mature.

Companion Planting

Plan your garden →

Plant with:

Avoid planting near:

Brassicas (excessive pest pressure from flea beetles) Fennel Dill

Common Pests

  • Use row covers on seedlings; spray with neem oil or insecticidal soap; dust with diatomaceous earth; trap with yellow sticky cards

  • Use fine mesh row covers; handpick eggs and larvae; spray with Bacillus thuringiensis (Bt); encourage natural predators

  • Spray with strong water stream; apply insecticidal soap or neem oil; introduce ladybugs; use reflective mulches

  • and

    Remove debris and hiding spots; hand-pick at dusk; use beer traps; apply food-grade diatomaceous earth around plants; encourage natural predators

Uses

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Peppery Salads & Garnishes

Culinary

Fresh broadleaf cress adds a peppery, mustard-like kick to salads, sandwiches, and soups. The broad leaves are attractive as garnishes and provide excellent flavor complexity to simple green salads. [source]

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Cooked Greens & Stir-fries

Culinary

Young leaves can be cooked gently like spinach, losing some peppery intensity. Works well in stir-fries, sautéed as a side dish, or added to egg dishes. [source]

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Vitamin & Mineral Content

Medicinal

Broadleaf cress is rich in vitamins A, C, and K, as well as minerals like iron and calcium. Traditionally used to support respiratory health and provide nutritional support. [source]

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Microgreens Production

Household

Broadleaf cress is excellent for growing as microgreens indoors, ready to harvest in 10-15 days. Provides concentrated nutrition and peppery flavor in small packages. [source]

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Pollinator Support

Wildlife

When allowed to flower, broadleaf cress provides early-season nectar and pollen for bees and other pollinators, making it valuable in permaculture systems. [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 leaves when they are 2-4 inches long, about 20-30 days after sowing, for the most tender, mild flavor. Pick outer leaves regularly to encourage continued growth. Harvest in the morning after dew dries for best flavor and texture. Can be cut as baby greens for microgreens or allowed to reach full size. Once plant bolts, harvest quickly as leaves become very bitter.

Fun Facts

  • 🌱 Broadleaf cress can germinate and produce harvestable leaves in as little as 2-3 weeks, making it one of the fastest greens to grow from seed to table.
  • 🌱 The plant is a perennial in its native Mediterranean habitat but is typically grown as an annual in most climates; it readily self-seeds if allowed to bolt.
  • 🌱 Broadleaf cress contains glucosinolates, sulfur-containing compounds that break down during chewing to produce the characteristic peppery flavor and are associated with potential cancer-fighting properties.

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