Best Seed Starter Trays

Product highlights #1 from Back to the Roots

• Includes Back to the Roots Compressed Seed Starting Potting Mix that expands to 12qt of soil. A balanced pH, which means it’s truly all-purpose. Use alone or as an amendment for anything in a pot or in the ground — vegetables, flowers, herbs, and even starting seeds.
• Expands to 12 Quarts
• Peat Free OMRI Listed, assuring organic production, handling, and processing
• 100% SATISFACTION GUARANTEE: If you are not satisfied or have any issues with this product, just shoot us a note and our dedicated customer support team will make sure we get you growing or send you a refund/replacement.
• GROWONEGIVEONE — Share a photo of your growing garden and we’ll donate a Kids Grow Kit and STEM elementary school curriculum to a classroom of your choice.

Product highlights #2 from Bonviee

• Monitor Your Plants Easily: The high-quality, clear plastic of these cell trays lets you observe your plants without disturbing their root growth.
• Complete Control: The adjustable vents on these seed trays allow you to regulate temperature and humidity, giving you full control over the germination process.
• Ideal for Large Seeds: Each cell is 1.5 inches square, providing ample space for larger seeds like potatoes, tomatoes, peppers, and eggplants. Six trays equal the size of a standard 1020 flat.
• Heat Mat Compatible: These seed trays are designed to withstand high and low temperatures, making them perfect for use with a heat mat without worrying about warping or melting.
• What’s Included: The package contains 5 clear trays with draingae holes, 5 black base trays, 5 humidity domes, 5 adjustable vents and 10 plant labels for marking seeds.

Product highlights #3 from MIXC

• Adjustable Vents: The seed trays have adjustable vents that allow you to regulate the temperature and humidity of your seedling environment for total control over the growing process.
• Drainage Holes: The seed trays have drain holes at the bottom for proper drainage, reducing the risk of root rot and promoting healthy growth.
• Mini Greenhouse: The seed starter kit includes 10 trays and a humidity dome to create a mini greenhouse for starting seeds and fostering a healthy garden.
• Reusable and Portable: The seed trays are made of durable plastic and can be reused for multiple growing seasons. They are also lightweight and easy to transport.
• Complete Seed Starting Kit: The MIXC seed starter kit includes 10 trays, 10 watertight base trays, 10 humidity domes, and 10 plant labels for a complete seed starting solution.

Product highlights #4 from Burpee

• INDOOR SEED STARTING KIT: Complete growing set includes two 36-cell planting trays, one water reservoir tray, 72 super growing pellets, and a dome greenhouse cover. An easy and efficient way to start seeds indoors! Use to grow your favorite herbs, vegetables and flowers.
• STAY ORGANIZED: Grow kit also comes with two plant-o-gram diagrams to note which herb, flower or vegetable seeds were sown in which cells, plus six 4" plant markers to easily mark your seedling varieties. Monitor your young plants as they grow strong.
• GROW 72 SEEDLINGS: Space for up to 72 seedlings in cells measuring 1.5"W x 1.5"L x 2"D each. Entire tray is 10"W x 20"L x 5"H. Recommended for use with a heat mat to promote germination. Once sprouts emerge, use a plant grow light or place near a well-lit window.
• SEED STARTING TIP: Place coconut coir super growing pellets flat-side down, and add warm water slowly for maximum expansion. Always check your seed packets for instructions on when and how to indoor sow tomato seeds, herb seeds, flower seeds and more.
• 100% GUARANTEED: Burpee is committed to the success of all gardeners. We treat each order with care to ensure healthy seeds, plants and gardening supplies are sent in excellent condition. Loved by gardens and trusted by gardeners, Burpee has been introducing fresh garden breakthroughs since 1876. Burpee offers only the highest quality, non-GMO seeds, hand-picked by expert horticulturalists.

Product highlights #5 from Gardzen

• High Quality and Durable - Our Gardzen Seed Start Trays are made from premium plastic material, ensuring long-lasting use for all your seed starting needs. These trays are designed to withstand daily wear and tear, making them perfect for avid gardeners.
• Healthy Growth - With the dimensions of 5.4*3.7 inches of the seedling tray, each cell measures 1.5 inches square by 2.2 inches deep, providing ample space for the healthy development of your plants' root systems. This allows your seedlings to grow strong and vibrant, giving you a head start in your gardening journey.
• Intimate Design - Drain holes at the bottom of the seed tray prevent over watering and promote suitable soil moisture for seed germination and seedling growth. There are guide channels at the top to ensure water reaches every cell.
• Reusable and Eco-friendly - Simply clean the seedling starter trays after each use, and they will be ready for your next batch of seeds. By opting for these seed starting trays, you are not only saving money but also reduce waste and contribute to a greener environment.
• Versatile and Practical - Our seed trays are suitable for various types of plants, making them a versatile choice for any gardener. Whether you're starting flowers, vegetables, or herbs, these trays provide the ideal growing environment.

Product highlights #6 from Burpee

• EASIER SEED STARTING: Our Burpee SuperSeed tray with 16 extra-large flexible pop-out cells is designed to simplify indoor seed starting. Just add seed starting mix, seeds, water and light to get growing! Rows are labeled alphanumerically for seedling identification with included Plant-o-Gram diagram.
• SMARTER WATERING SYSTEM: Molded corner slots in each cell improve drainage and soil aeration to set your seeds up for germination success. Deep channels in the watering tray draw excess away from the cells, while the raised perimeter edge keeps water contained in the tray - no spills! Seed tray side handles make it easy to lift and pour off excess water or check seedlings daily.
• SIMPLER TRANSPLANTING: Soft food-grade silicone cells cradle seedlings and gently flex to pop out when it’s time to transplant into your outdoor garden! This system is specially designed to reduce stress on your seedlings, so you don't damage their roots. After transplanting, trays are easy to clean and reuse or simply store for next growing season. Top shelf dishwasher safe.
• SEED STARTER TIP: Many favorite vegetables, including peppers and tomatoes, must be started indoors before warmer weather arrives. Start pepper seeds 8-10 weeks before your area’s average last frost date, and tomato seeds 6-8 weeks before last frost. Check your Burpee seed packets for instructions on when and how to plant any of your vegetable, herb and flower varieties.
• 100% GUARANTEED: Burpee is committed to the success of all gardeners. We treat each order with care to ensure healthy seeds, plants, soil mixes and gardening supplies are packaged and sent in excellent condition. If you are unsatisfied with your purchase, we aim to make it right!

Product highlights #7 from MIXC

• High quality transparent plastic cell trays of this seed grow kit make it easy to observe your plants without interrupting the process.
• Adjustable vents on the humidity dome of this seed starter kit allow you to regulate the temperature and humidity of your seedling environment, so you have total control over the growing process.
• Please read the size of each parts carefully. Cells size: 1.5"x 1.5"x 2"(suitable for small seeds); Dome height: 2.75"; Product size: 14.6"x 9.84"x 5.1"
• Bottom trays of our seed starter trays can be stacked one by one to save space. Therefore, you can stack the bottom trays before the seeds germinate to save your operating space, wherever indoor or outdoor.
• MIXC Seed Starter Tray contains: 5 x seed tray, 5 x bottom tray, 5 x humidity dome, 2 x garden tools, 10 x plant labels (A must have for seedling)

Product highlights #8 from The Hydroponic City

• Promotes Healthy Root Development: Each cell measures 1.5" square by 2.25" deep, designed to promote healthy root development and ensuring your seedlings get a strong start for robust growth.
• Durable and Reusable: Crafted from durable materials, these seed starter trays are reusable, promoting sustainable gardening practices.
• Ideal for a Variety of Seeds: Whether you're growing flowers, herbs, succulents, or vegetables, these seed starter trays accommodate a wide range of seeds, offering versatility for all your gardening endeavors.
• Efficient Drainage: Each seed starter tray is equipped with strategically placed drainage slits, ensuring proper water drainage to prevent overwatering and promote optimal soil moisture for seed germination and seedling growth.
• Bonus Plant Stakes: Order comes with (24) 6-cell trays and (5) THCity plant stakes for labeling and organizing your seedlings. Equivalent to two standard 1020 tray inserts.

Product highlights #9 from Gardzen

• Upgraded with Adjustable Ventilation - Gardzen seed starter tray has been newly upgraded with two air vents added to the top, allowing you to easily adjust the ventilation for optimal seed growth. Say goodbye to stagnant air and hello to thriving plants!
• High Quality and Durable - These seedling starter trays are made from premium plastic material, ensuring long-lasting use for all your seed starting needs. Comes with thoughtfully attached stickers, you can achieve a tighter fit of dome and base for maximum efficiency.
• 40-Cell Capacity - Each seed starter kit in our set comes with a generous 40-cell capacity, providing ample space for all your seeds to sprout and thrive. Whether you're a beginner or experienced gardener, this plant starter kit is perfect for starting your own garden paradise.
• Easy to Manage Kits - The 40-cell insert tray provides a simple, straightforward way to start seeds and grow plants from cuttings. The drain hole at the bottom of the seed tray prevents over watering. The clear dome allows you to clearly see the growth status.
• Versatile and User-friendly - This seed germination kit is not only suitable for starting seeds but also perfect for propagating cuttings and nurturing young plants.

Product highlights #10 from Yioviru

• [Full-spectrum LED plant grow light]: It comes equipped with the same professional full-spectrum LED technology, allowing you to dial in the perfect light intensity from 5 brightness settings (1450-6340 Lux). The built-in 3/6/12-hour timer offers hands-free operation, giving you the flexibility to efficiently manage light cycles for a wider variety of plants, all in one organized tray.
• [Smart Humidity Control & Self-watering Design]: Never over-water again. The built-in self-watering mat automatically draws up moisture as needed, keeping soil evenly damp without the guesswork. Combined with adjustable cooling vents, it creates a balanced environment for your seedlings. The magnetic hygrometer gives you a clear look at temperature and humidity, making it simple to decide when to adjust vents or add water to the base, so every one of your 60 seedlings thrives with minimal effort.
• [Professional-Grade & User-Friendly]: The heavy-duty plastic ensures crack resistance through seasons of use, while its lightweight and portable design guarantees easy storage and handling. It's the practical, long-term choice for any gardener.
• [Included Professional Accessories]: Unlike other brands, we include 4 specially designed fasteners to securely lock the humidity dome, preventing accidental detachment and enhancing moisture retention. Plus, with 2 magnetic hygrometers, you can effortlessly monitor real-time temperature and humidity data right on the unit, allowing you to maintain the ideal environment for seedling growth.
• [Easy Gardening Beginner Kit]: This kit includes 1 * user manual,1 * plant grow light system (2 * LED strips, 1 * controller, 1 * USB power adapter), 1 * humidity covers, 1 * 60-cell seedling trays, 1 * base tray, 1 * magnetic thermometers and hygrometers, 8 * fasteners, 2 * gardening tools, and 10 * plant tags. The kit requires minimal space and is easy to use, suitable for living rooms, garages, patios, farms.It is suitable for succulent propagation by cuttings, fruit and vegetable seedling cultivation, flower breeding, and the cultivation of Araceae seedlings. It is an ideal choice for gardening beginners and a great gift for friends and family.