5 Common Mistakes Growing Microgreens Indoors (and How to Fix Them)

Growing microgreens at home is fun, fast, and incredibly rewarding. But like any new skill, there’s a learning curve. After years of growing (and killing…😅) thousands of trays, these are the top mistakes I see—and simple fixes so you get perfect harvests every time.

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1️⃣ Sowing Too Many Seeds

Microgreens need space for air + light. When they’re overcrowded, you get mold, weak stems, and poor flavor.

Fix:
Follow the recommended seeding density for each crop. When in doubt: spread evenly, not thick.

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2️⃣ Too Much Water (or Too Little)

Microgreens thrive in moist—not soggy—growing media. Overwatering blocks oxygen and leads to rot.

Fix:
Water from below whenever possible. Keep trays breathable and avoid sealing in humidity too long.

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3️⃣ Not Enough Light

Window light isn’t always enough! This causes stretching and floppy stems.

Fix:
Use a grow light placed 15–30 cm above your plants. 12–16 hours per day is the sweet spot.

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4️⃣ Poor Airflow

Stagnant air encourages mold and weak growth.

Fix:
Give them airflow — even a small fan helps your microgreens stand strong.

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5️⃣ Harvesting Too Late

Microgreens are best when they have their first true leaves. Waiting longer leads to bitterness.

Fix:
Most microgreens reach peak flavor at 7–14 days, depending on the variety.

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Final Tip 🌱

Start simple with radish, broccoli, pea shoots, or sunflower — quick results keep you motivated!

Whether you’re growing for fresh salads, smoothies, or a business… these little adjustments make a huge difference.

Ready to grow like a pro? 💪🌱
If you’d like a starter kit delivered to your door, check out our grow kits here:
👉https://eymicrogreens.nl/products/1020-deep-tray-set-2pcs