Mason Jar Green Onion Regrower Lid – Hydroponic Herb Kit

Say goodbye to repeated grocery runs for green onions! This reusable mason jar growing lid lets you regrow scallions, chives, and small herbs right on your kitchen windowsill using the simple, soil-free Kratky hydroponic method — no pumps, no electricity, no mess. Perfect for beginner gardeners, urban growers, and families looking for a fun, educational kitchen project.

Made in Mainland China.

✨ Key Features

• Wide Mouth Mason Jar Compatible — fits standard wide mouth mason jars (jar not included)
• Soil-Free Kratky Method — simply add water and let your cuttings regrow naturally, no pumps or electricity required
• Perfect for Green Onions, Scallions & Chives — also works great for small herbs and propagation projects
• Durable 3D-Printed Design — reusable, eco-friendly, and built to last
• Easy to Use — place onion or herb cuttings in the lid slots, fill the jar with water, and watch them grow
• Beginner-Friendly — ideal for first-time indoor gardeners or anyone exploring hydroponics at home

🌿 Why You'll Love It

• Enjoy a steady, fresh supply of green onions without constant trips to the store
• A fun and educational activity for kids, families, and plant enthusiasts
• Adds a charming modern propagation station aesthetic to your kitchen counter or windowsill
• Eco-friendly and budget-conscious — regrow your kitchen scraps instead of tossing them

📦 Package Contents

• 1x Mason Jar Growing Lid (Green) — mason jar not included

How to Get Started

1. Take the root ends of green onions, scallions, or chives.
2. Insert the cuttings into the holes of the growing lid.
3. Screw the lid onto a wide mouth mason jar filled with fresh water.
4. Place on a sunny windowsill and top off water as needed.
5. Harvest fresh greens in as little as 5–7 days!

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For more information on hydroponics and home gardening, visit the USDA National Agricultural Library or learn about sustainable gardening practices at EPA.gov.

Learn more: Hydroponics

Frequently Asked Questions

Q: What size mason jar does this green onion regrower lid fit?

A: This mason jar growing lid is designed for wide mouth mason jars. Standard narrow-mouth jars may not be compatible. The jar itself is not included — you can use any wide mouth mason jar you already have at home.

Q: How long does it take for green onions to regrow using the Kratky hydroponic method?

A: With the Kratky method and adequate light, green onions and scallions typically begin showing noticeable regrowth within 5–7 days. Regular water top-offs and a sunny windowsill will keep your herbs growing steadily.

Q: Can I use this lid to regrow herbs other than green onions or scallions?

A: Yes! While the lid is optimized for green onions, scallions, and chives, it also works well for other small herbs with thin root bases. It's a versatile indoor kitchen herb regrower for a variety of propagation projects.

Q: Is this mason jar growing lid reusable and easy to clean?

A: Absolutely. The lid is made from durable 3D-printed eco-friendly material, designed to be reusable over many growing cycles. Simply rinse it with warm water between uses to keep it clean and ready for your next batch of fresh greens.