How to Harvest Microgreens

A Step-by-Step Guide for Getting the Most Flavor and Nutrition

Reading time: 9 minutes

🌿 Introduction

Microgreens are the tender seedlings of herbs and vegetables harvested soon after germination. These tiny plants pack intense flavors and concentrated nutrients and have become a favorite of home gardeners and chefs alike. Unlike sprouts—which are eaten root and all—microgreens are cut just above the soil line, producing clean, fresh greens with minimal risk of contamination.

Harvesting microgreens at the right time is key to flavor, texture, and nutritional value. Purslane microgreens, like many others, are ready within two to three weeks, offering a crisp, lemony taste and vibrant color when harvested properly.

🌱 When Are Microgreens Ready to Harvest

Most microgreens are ready for harvest 7–21 days after sowing, depending on the variety and growing conditions. The ideal time is when the seedlings have developed their first true leaves—the second set of leaves that appear after the initial seed leaves (cotyledons).

At this stage, the plants have the best combination of flavor and tenderness. If left too long, stems can become fibrous or bitter. Purslane microgreens, for instance, should be cut when they reach about two inches tall and before the stems start thickening.

✂️ Tools and Preparation

Harvesting microgreens requires a clean setup to prevent contamination and ensure a long shelf life.

You’ll need:

• Sharp scissors, pruning shears, or a sanitized knife

• A clean cutting board or tray

• Paper towels or a salad spinner for drying

Wash your hands thoroughly before handling the plants. If possible, water your microgreens 8–12 hours before harvest—this allows the stems to stay hydrated while keeping the surface dry during cutting. Wet leaves can shorten storage life and promote mold.

🌾 How to Harvest Microgreens

1. Hold a small bunch of greens gently with one hand.

2. With your other hand, cut the stems just above the soil line—about half an inch above.

3. Avoid pulling plants by the roots, as this brings up soil or growing medium particles.

4. Work in sections, cutting cleanly and evenly to minimize plant stress.

Harvesting in the early morning or late evening, when temperatures are cooler, helps retain moisture and flavor.

💧 Cleaning and Drying

After cutting, gently shake the greens to remove any debris. Rinse lightly under cold, clean water if needed, then dry immediately using paper towels or a salad spinner.

The goal is to remove surface moisture without bruising the delicate leaves. Purslane microgreens and other succulents hold more water than average, so ensure they’re completely dry before refrigeration to prevent spoilage.

🧺 Storing Microgreens

Store freshly harvested microgreens in an airtight container lined with a paper towel to absorb moisture. Keep them in the refrigerator between 35–40°F (1–4°C).

Most microgreens last 5–7 days if properly stored. Avoid washing them until just before use, as excess moisture accelerates decay.

For commercial growers or serious home gardeners, vacuum sealing or clamshell containers can extend shelf life.

🌞 Can Microgreens Regrow After Harvest

Most microgreens, including purslane, do not regrow well after cutting because their growth point is removed during harvest. However, certain varieties such as peas, wheatgrass, and some brassicas can produce a limited second flush.

If you plan to regrow, leave at least one inch of stem and continue watering lightly. Otherwise, compost the used growing medium to recycle nutrients for your next batch.

🧠 Tips for Maximum Yield and Flavor

• Stagger your sowing: Plant small trays every few days for a continuous supply.

• Avoid overcrowding: Too many seeds lead to poor airflow and mold.

• Harvest at the right stage: Not too young, not too mature.

• Taste before cutting: Flavor peaks right before the leaves flatten or toughen.

• Keep scissors clean: Sanitize between trays to prevent cross-contamination.

🌍 Purslane Microgreens: A Unique Case

Purslane microgreens are slightly thicker than many leafy types, with a mild citrus flavor and a crisp bite. Harvest them a bit later—around 14–18 days—for maximum texture. Because of their high moisture content, purslane microgreens should be dried gently and stored immediately after harvest.

They make an excellent base for salads, omelets, and smoothies, providing omega-3 fatty acids and antioxidants in abundance.

🌞 Conclusion

Harvesting microgreens is as much an art as it is a science. Timing, cleanliness, and gentle handling determine both flavor and shelf life. Whether you’re growing delicate basil shoots or hearty purslane microgreens, the process rewards care and precision.

Each cut tray is a symbol of renewal—tiny leaves offering concentrated vitality, a living reminder of how much abundance can grow from just a handful of seeds.

📚 Sources

Penn State Extension. (2024). “The ABCs of Microgreens.” Penn State Extension. https://extension.psu.edu/the-abcs-of-microgreens

University of Florida IFAS Extension. (2024). “Microgreens: Tiny Plants, Big Benefits.” UF/IFAS Gardening Solutions. https://gardeningsolutions.ifas.ufl.edu/plants/edibles/vegetables/microgreens.html

Louisiana State University AgCenter. (2024). “A Guide to Growing Microgreens for the Home Gardener.” LSU AgCenter Publication 3793. https://www.lsuagcenter.com/articles/page1624482482023

Colorado State University Extension. (2024). “Year-Round Gardening: Growing Microgreens.” CSU Extension Publications. https://sam.extension.colostate.edu/wp-content/uploads/sites/44/2018/10/Oct-20-2018-Growing-Microgreens.pdf

University of Minnesota Extension. (2024). “Mini Greens, Mega Benefits: Growing Microgreens at Home.” UMN Extension. https://extension.umn.edu/yard-and-garden-news/mini-greens-mega-benefits-growing-microgreens-home

Mississippi State University Extension. (2024). “Growing Microgreens for the Mississippi Gardener.” MSU Extension Publication 3695. https://extension.msstate.edu/publications/growing-microgreens-for-the-mississippi-gardener

Oregon State University Extension. (2024). “How to Grow Microgreens at Home.” OSU Extension Service. https://extension.oregonstate.edu/gardening/techniques/how-grow-microgreens-home

Purdue Extension. (2024). “Grow Microgreens at Home.” Purdue University Extension. https://extension.purdue.edu/news/county/allen/2022/02/grow-microgreens-at-home.html

Bootstrap Farmer. (2024). “Learn How to Grow Microgreens 101.” BootstrapFarmer.com. https://www.bootstrapfarmer.com/blogs/microgreens

Harvest to Table. (2024). “How to Plant, Grow, and Harvest Microgreens.” HarvestToTable.com. https://harvesttotable.com/how-to-plant-grow-and-harvest-microgreens/