12-Cell Seedling Starter Tray with Humidity Cover | Germination

12-Cell Seedling Starter Tray with Adjustable Humidity Cover

Give your seeds the best possible start with this 12-Cell Seedling Starter Tray. Crafted from durable, flexible silicone with a clear PP plastic lid, this germination box creates the ideal microclimate for sprouting tomatoes, herbs, flowers, vegetables, orchids, and more — whether on your windowsill, in a greenhouse, or out in the garden.

Key Features

• Reusable Silicone Construction: Built to last, the flexible silicone base resists wear and repels dirt, making cleanup a breeze. Use it season after season for an eco-friendly gardening solution.
• High-Lid Design for Robust Growth: The tall, clear PP lid creates generous headroom, trapping warmth and moisture to encourage strong, healthy seedling development during the critical early growth stages.
• Adjustable Humidity Control: The vented cover lets you fine-tune air circulation and humidity levels, helping you dial in the perfect germination environment for any seed variety.
• Transplant-Friendly Foldable Cells: Each of the 12 cells flexes and folds, making it simple to pop seedlings out without disturbing the root system — ideal for stress-free transplanting into larger pots or garden beds.
• Built-In Drainage Holes: Strategically placed drainage holes prevent overwatering and waterlogging, keeping your seedlings healthy from sprout to transplant.
• Versatile Indoor & Outdoor Use: Perfect for home gardens, indoor windowsills, school education projects, greenhouses, and urban garden setups. Accommodates flowers, vegetables, herbs, and more.

Specifications

• Material: Silicone base + PP transparent lid
• Dimensions: Approx. 7.1 in (18.5 cm) L × 5.7 in (14.5 cm) H
• Number of Cells: 12 holes
• Suitable For: Indoor gardening, home planting, school education, greenhouse cultivation
• Package Includes: 1 × Seedling Starter Tray Set (tray + lid)
• Made in China

Note: Slight color variation may occur due to lighting and display settings. Dimensions are approximate due to manual measurement.

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Helpful Gardening Resources

Looking to improve your seed-starting success? The EPA's Guide to Growing Your Own Food offers practical tips for home gardeners on creating healthy, sustainable growing environments.

Learn more: Container garden

Frequently Asked Questions

Q: What seeds can I germinate in this 12-cell seedling starter tray?

A: This seedling starter tray is versatile enough for nearly any seed variety. It works excellently for tomatoes, peppers, herbs (like basil and cilantro), flowers (such as marigolds and petunias), orchids, lettuce, and most vegetables. The humidity cover and drainage holes create an optimal germination environment for a wide range of plants.

Q: How do I adjust the humidity inside the germination box?

A: The clear PP lid features ventilation that allows you to control airflow and moisture levels inside the tray. Simply position the lid fully closed for maximum humidity during initial germination, or prop it slightly open to increase air circulation as your seedlings develop and strengthen.

Q: Is this seedling tray easy to clean and reuse?

A: Absolutely! The flexible silicone base naturally repels dirt and residue, so a quick rinse with warm soapy water is all it takes to clean the tray between uses. Its durable construction is designed for many seasons of repeated use, making it an eco-friendly, cost-effective choice for gardeners.

Q: How do I remove seedlings without damaging their roots?

A: Each cell is made from flexible silicone that you can gently squeeze and fold to loosen the root ball. This allows seedlings to slide out cleanly and without root damage, making transplanting to larger pots or garden beds smooth and stress-free.