How to Grow Broad-leaved Cress
Broad-leaved Cress
Lepidium latifolium
vegetableBroad-leaved cress is a peppery, leafy green vegetable with wide, tender leaves that grows quickly in cool weather. It is closely related to watercress and delivers a sharp, mustard-like flavor that enhances salads, sandwiches, and cooked dishes. This hardy annual or short-lived perennial is easy to grow and highly nutritious.
When should you plant Broad-leaved Cress in your zone?
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Example Broad-leaved Cress timeline · Pittsburgh, PA (Zone 6b)
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Plant Broad-leaved Cress
Around Apr 17Near Pittsburgh's average last spring frost.
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Tend & protect
Late spring–summerWatering, feeding, and pest-watch reminders.
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Harvest Broad-leaved Cress
Around May 17≈ 30 days after planting
Sample dates for Pittsburgh, PA. Sign up to get exact Broad-leaved Cress dates for your own zip code.
Growing Conditions
Soil
Growing Zones
Find your zone →Thrives in zones 3-8; prefers cooler seasons and may bolt quickly in hot climates
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Get my Broad-leaved Cress timeline →Growth Stages
Germination & Seedling
7-14 daysTiny seeds sprout within 7-10 days. Seedlings have their first true leaves with characteristic broad, slightly serrated edges.
Keep soil moist and maintain cool temperatures (60-70°F). Provide bright, indirect light. Thin seedlings to spacing once they have 2-3 true leaves. Protect from direct heat.
Vegetative Growth
20-35 daysPlant develops multiple broad leaves in a compact rosette. Foliage is tender and dark green with a peppery appearance.
Ensure consistent moisture and cool conditions. Apply mulch to retain soil moisture and keep roots cool. Monitor for bolting in warm weather. Begin harvesting outer leaves once plant is 3-4 inches tall.
Pre-flowering
7-10 daysPlant shows signs of elongation as central stem begins to thicken. Leaves may become slightly tougher and more peppery.
Increase harvest frequency to encourage bushier growth and delay bolting. Provide shade cloth in hot weather (above 70°F). Keep well-watered to delay flowering.
Flowering & Seed Production
10-20 daysSmall white or pale pink flowers appear in delicate clusters at stem tips. Plant becomes taller and more woody.
Once flowering begins, leaf quality declines. Harvest remaining tender leaves before they toughen. Flowers and seed pods are edible but peppery; allow some plants to self-seed for next season if desired.
Harvest & End of Season
Ongoing until plant removalMature seed pods develop and dry out. Plant becomes woody and unpalatable for greens.
Remove plants and compost or allow seeds to drop for self-seeding. Cut flower stalks before seeds scatter if you want to prevent volunteer seedlings. Plant fall crop in mid-to-late summer for cool-season harvest.
Companion Planting
Plan your garden →Plant with:
Avoid planting near:
Common Pests
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Use row covers over young plants; spray neem oil or insecticidal soap; encourage beneficial insects; plant trap crops like radishes nearby
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and
(Plutella xylostella)
Use fine netting or row covers; hand-pick caterpillars; apply Bt (Bacillus thuringiensis) spray; encourage parasitic wasps
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Spray with strong water jet; use neem oil or insecticidal soap; introduce ladybugs or lacewings; avoid excessive nitrogen fertilizer
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and
(fungal)
Ensure good air circulation; avoid overhead watering; remove affected leaves; apply sulfur spray or fungicide if severe; maintain consistent moisture
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and
Remove garden debris and hiding spots; hand-pick at night; use copper tape barriers; apply diatomaceous earth; encourage ground beetles
Uses
Fresh salads and garnish
CulinaryTender young leaves add a sharp, peppery kick to mixed green salads, sandwiches, and grain bowls. The peppery flavor intensifies with age and heat. [source]
Cooked greens and soups
CulinaryBroad-leaved cress can be lightly sautéed like spinach or wilted into soups, providing a distinctive bitter-peppery flavor that complements creamy or mild broths. [source]
Nutritional and immune support
MedicinalHigh in vitamin C, iron, and glucosinolates (compounds with potential anti-inflammatory properties), broad-leaved cress has been used traditionally to support respiratory and digestive health. [source]
Edible flowers and seeds
CulinaryThe delicate white or pale pink flowers are edible and peppery, suitable for garnishing plates or infusing into vinegars. Seed pods are also edible with an intense cress flavor. [source]
Home remedy and herbal tea
HouseholdFresh or dried leaves can be steeped into a warming, stimulating tea traditionally used to support digestion and circulation in European folk medicine. [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 3-4 inches tall, using a cut-and-come-again method. Pinch or cut leaves at the base rather than pulling to avoid damaging the plant. Harvest in the morning when leaves are crisp and most tender. For baby salad leaves, harvest at 20-30 days; for larger leaves, wait 40-50 days. Harvest regularly to encourage continued leaf production and delay bolting. Once bolting begins in warm weather, leaf quality declines rapidly and becomes very peppery and tough.
Fun Facts
- 🌱 Broad-leaved cress is a member of the Brassicaceae (mustard) family and is botanically distinct from watercress (Nasturtium officinale), though both offer sharp, peppery flavors and similar nutritional benefits.
- 🌱 Cress seeds are known to be among the fastest-sprouting garden seeds, often germinating within 3-5 days, making cress an excellent project for impatient gardeners and children.
- 🌱 In medieval and Renaissance Europe, cress was valued as a 'poor man's pepper' and was often cultivated by common folk in window boxes and small gardens because of its quick growth, abundance, and peppery flavor that could stretch expensive pepper supplies.
Gardening Terms
New to gardening? Learn about terms used in this guide:
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