How to Grow Microgreens on Paper Towels

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When winter closes in and your outdoor garden is buried under snow, it doesn’t mean you have to give up fresh greens. Microgreens — those tiny, nutrient-packed seedlings of herbs and vegetables — can thrive indoors even when it’s freezing outside.

One of the easiest ways to grow them is on paper towels. No soil, no mess, and no special equipment needed — just a sunny window and a bit of patience.

In this guide, you’ll learn how to grow microgreens on paper towels, how to troubleshoot common problems, discover their health benefits, and explore other indoor growing options.

Next read: A guide to growing mushrooms inside during winter

Why Grow Microgreens on Paper Towels?

Using paper towels as a growing medium is like a hybrid between soil and hydroponics — it gives seeds a surface to grow on, while still keeping things clean and simple.

This method is perfect for:

People living in cold or dark climates where outdoor gardening isn’t possible in winter.
Beginners who want quick, rewarding results.
Anyone short on space who wants to grow fresh greens on a windowsill or kitchen counter.

Microgreens are ready in just 7–14 days, and you can grow a wide variety — from broccoli, radish, kale, and mustard to peas, arugula, and sunflower.

Step-by-Step: How to Grow Microgreens on Paper Towels

You’ll Need:

A shallow tray, plate, or plastic container
Paper towels (2–3 layers thick)
Microgreen seeds (broccoli, radish, mustard, etc.)
Spray bottle or gentle watering can
Plastic lid or cover (optional)

Next Read: Sprouting – Unlock Nature’s Nutritional Powerhouse

Instructions:

Prepare your tray: Line the bottom with 2–3 layers of paper towels. Wet them thoroughly, then squeeze out any excess so they’re damp but not dripping.
Add seeds: Sprinkle your seeds evenly across the paper towel surface. Try not to let them overlap — a thin, even layer is best.
Create humidity: Cover the tray loosely with a lid or another damp paper towel for the first 2–3 days to keep moisture in while seeds germinate.
Let there be light: Once most seeds sprout, remove the cover and move the tray to a bright windowsill or under a grow light.
Water regularly: Mist the paper towels daily to keep them moist. Avoid soaking — too much water can cause mold or rot.
Harvest: When your greens are about 2–3 inches tall (usually after 7–10 days), cut them just above the paper towel with scissors. Rinse gently and enjoy!

💡 Tip: Try rotating your tray for even light exposure and stronger, upright growth.

Troubleshooting Common Problems

Even though microgreens are easy to grow, a few issues can pop up. Here’s how to fix them:

Problem	Cause	Solution
Mold or fungus	Too much moisture, no air circulation	Keep paper towels damp, not wet. Ensure good airflow and remove cover once sprouts appear.
Seeds not germinating	Towels too dry, low temperature, or old seeds	Keep towels consistently moist, maintain room temp around 20–24°C (68–75°F), and use fresh seeds.
Overwatering or soggy towels	Excess water with poor drainage	Mist gently rather than pour. If towels become waterlogged, replace them and start fresh.
Uneven growth or weak stems	Too little light or early exposure	Keep dark during germination, then move to bright indirect light.
Towel breaking apart	Overuse or poor-quality paper towels	Use sturdy, thick towels and replace after each harvest.

The Health Benefits of Microgreens

Microgreens may be tiny, but they pack a nutritional punch far beyond their size. Research shows that microgreens can contain up to 40 times more vitamins and antioxidants than their mature plant versions.

Next Read: How to Grow Microgreens Indoors During Winter

Key Benefits:

Nutrient-dense: High in vitamins C, E, and K, plus minerals like iron, magnesium, and potassium.
Antioxidant-rich: Contains polyphenols and carotenoids that help reduce inflammation and support heart health.
Supports immunity and detox: Cruciferous microgreens (broccoli, kale, cabbage) contain compounds linked to cancer prevention and improved liver function.
Good for mental health: Nutrients like folate and magnesium can support brain function and mood balance.

A small handful of microgreens can truly make a big difference in your diet.

How to Use Microgreens in Everyday Meals

Microgreens add color, crunch, and flavor to almost any dish. Here are a few easy ways to use them:

🥗 Salads: Mix microgreens with lettuce or other greens for a nutrient boost.
🥪 Sandwiches & wraps: Layer them in place of lettuce for a fresh, peppery kick.
🍳 Eggs & omelets: Sprinkle on top after cooking.
🥣 Soups: Use as a garnish just before serving.
🍕 Pizzas & tacos: Add after baking for a burst of freshness.
🥤 Smoothies: Blend mild-flavored greens like sunflower or pea shoots for an extra nutrient hit.
🥑 Avocado toast: A classic — microgreens on top add both texture and nutrition.

Store harvested microgreens in an airtight container in the fridge with a dry paper towel inside. They’ll stay fresh for about 3–5 days.

5 Pack Seed Sprouter Trays with Lids- Soil-Free

Other Growing Methods: How Paper Towels Compare

Method	Description	Pros	Cons
Soil	Use potting mix or seed-starting soil in trays.	Natural nutrients, forgiving moisture control.	Can be messy; needs cleanup after harvest.
Hydroponic mats	Coconut coir or felt mats placed in trays with water.	Clean, reusable, good moisture retention.	Costs more and may need more setup.
Paper towels	Simple, low-cost, disposable growing surface.	Cheap, clean, easy for beginners.	Needs frequent watering, not reusable long-term.