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Garden Cress Microgreens

Lepidium sativum

Brassica🟢 Easy📅 7-10 days to harvest

Overview

Garden cress microgreens are one of the oldest cultivated salad plants in human history, with records of cultivation dating back to ancient Persia over 2,500 years ago. Today, they remain one of the most elegant and refined microgreens available — dainty, peppery, and unmistakably sophisticated. Cress produces very fine, thread-like stems topped with tiny, deeply lobed true leaves that give each plant a miniature fern-like appearance.

The classic image of cress — tiny green plants growing on a damp flannel or cotton pad — is an enduring part of British food culture, where 'mustard and cress' sandwiches (cress microgreens with mustard microgreens on buttered white bread) have been a teatime staple for generations. This simplest of preparations highlights cress's delicate peppery bite.

Cress grows extremely fast — rivaling radish as one of the quickest seed-to-harvest crops. The seeds are mucilaginous, developing a clear gel coat when wet (similar to basil and arugula seeds). This means they should not be pre-soaked and require careful surface watering to avoid clumping. Despite this quirk, cress is a reliable, easy crop that rewards growers with a premium product.

Flavor Profile

PepperySharp
Slightly bitterTangyMustard-likeBright

Texture: Very fine and delicate — thread-like stems with tiny, intricate leaves

Mouthfeel: Dainty and dissolving with a clean peppery bite that is more refined than radish — less of a blunt force and more of a sophisticated tingle.

Aroma

Sharp and peppery with a clean, almost watercress-like brightness. More refined and less sulfurous than mustard. The aroma is concentrated when the tiny plants are gathered in a bunch.

Nutrition Facts

Nutrition Facts

Per 100g serving

Calories28
% Daily Value*
Total Fat 0.5g1%
Total Carbohydrate 4g1%
Dietary Fiber 1.5g5%
Protein 2.6g5%
Vitamin A 3800 IU127%
Vitamin C 35mg39%
Vitamin K 98mcg82%
Vitamin E 2.5mg17%
Iron 2.6mg14%
Calcium 62mg5%
Potassium 328mg7%

* Percent Daily Values are based on a 2,000 calorie diet. Values are approximate for microgreen stage.

Notable Phytonutrients

Benzyl isothiocyanate (BITC)GlucotropaeolinBeta-caroteneLutein

Antioxidant capacity: High — BITC is one of the most studied anti-cancer isothiocyanates

Health Benefits

Garden cress microgreens are rich in benzyl isothiocyanate (BITC), a compound that has shown exceptional anti-cancer properties in research — particularly against leukemia, breast, and prostate cancer cells. BITC has been shown to induce apoptosis in cancer cells and inhibit metastasis. The high iron content (2.6mg/100g) combined with good vitamin C (which enhances iron absorption) makes cress particularly valuable for preventing iron-deficiency anemia. In traditional Ayurvedic and Persian medicine, garden cress has been used for centuries to treat anemia, respiratory conditions, and digestive disorders.

Growing Guide

🌱 Quick Growing Reference

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Days to Harvest
7-10
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Ideal Temperature
60-70°F
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Light Needs
Low — grows well even in limited light
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Growing Medium
Soil, coconut coir, cotton pad, or even damp paper towel
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Seed Soak
None — mucilaginous seeds, do not soak
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Blackout Period
2-3 days
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Seeding Density
Medium-heavy
💡 Notes

Mucilaginous seeds — do not pre-soak. Can grow on almost any damp surface. One of the easiest microgreens to grow at home without any equipment.

Seed Sourcing Standards

Cress is sourced for clean germination and crisp peppery balance rather than raw yield alone. We prioritize seed lines that finish dense and uniform, since patchy cress beds are difficult to harvest cleanly and degrade pack appearance.

Approved lots must meet non-GMO and traceability requirements, with organic preference where performance supports scale. Pilot trays test emergence speed, texture, and flavor consistency before each lot is cleared for customer-facing production.

Preferred Supplier Watchlist

Johnny's Selected SeedsTrue Leaf MarketMumm's Sprouting SeedsFedco SeedsHigh Mowing Organic Seeds

Culinary Uses

Cress is a classic British ingredient — use in the traditional 'egg and cress' sandwich (hard-boiled eggs with mayonnaise and cress on white bread). Excellent on smoked salmon, with cream cheese on bagels, and as a garnish for soups (especially cream-based). Scatter on deviled eggs, top omelets, and add to potato salad. In Middle Eastern cuisine, cress seeds are used in drinks and sweets. French cuisine uses cress in butter sauces for fish. They pair with eggs, smoked fish, cream cheese, cucumber, and radish.

Buyer Expectations

Cress moves best when stand density and pepper profile are steady. Buyers expect fast-turn freshness, dry packs, and tight harvest timing to avoid quality drift.

Garden Cress buyers usually expect vibrant color, crisp stems, and a clean aroma profile that matches its signature peppery, sharp notes.

For retail and wholesale, consistency matters: even cut, dry packaging condition, and reliable harvest timing around 7-10 days so quality and shelf confidence remain predictable.

Chef Notes

Chefs value cress as a sharp, focused accent. Use it to cut richness in egg, fish, or creamy preparations, and keep application controlled for balance.

Treat garden cress as a finishing ingredient first and a cooked component second unless the dish specifically calls for heat.

Use gentle handling during prep, keep portions dry and chilled, and plate close to service to protect texture and visual lift. Store at 38-40°F in a sealed container. Shelf life is 5-7 days. The very fine stems wilt quickly once cut, so harvest close to serving time when possible. Can be sold as living trays (still rooted) for extended freshness — a common practice in British supermarkets.

Microgreen vs. Mature Plant

Garden cress microgreens contain approximately 5 to 7 times the nutrient density of mature cress leaves. The BITC concentration is highest in the young, actively growing plant. Mature garden cress (USDA data limited, often compared to watercress: 11 cal/100g) is milder in both flavor and phytonutrient content.

Popular Mixes

🌿 Spicy Mix🌿 British Mix🌿 Gourmet Mix🌿 Sandwich Mix

Storage Tips

Store at 38-40°F in a sealed container. Shelf life is 5-7 days. The very fine stems wilt quickly once cut, so harvest close to serving time when possible. Can be sold as living trays (still rooted) for extended freshness — a common practice in British supermarkets.

💡 Fun Fact

Garden cress is so easy to grow that it's traditionally the first plant British schoolchildren grow in science class — usually on a damp paper towel or cotton pad on a windowsill. The seeds germinate so reliably that they're used as the standard organism in plant biology experiments to test soil toxicity, water quality, and allelopathy.