Trays & Flats
Can’t seem to get seeds to germinate in your garden? Whether you’re starting indoors or expanding your garden, flat trays are the perfect way to kickstart healthy growth. These versatile seed trays create a controlled environment that protects young plants from extreme temperatures and inclement weather. As your seedlings mature, you can easily transplant them outdoors into your garden beds or move them into larger pots to continue thriving inside your home.
Where should you purchase seed trays, biodegradable pots, and other garden starting supplies? Greenhouse Megastore has you covered! Shop our wide selection of flat trays and starter supplies at wholesale prices, and use our easy filter menus to find exactly what you need. To learn more about which tray is right for your plants, review our expanded tray descriptions at the bottom of the page.
We look forward to helping you kickstart your next garden with seed-starting kits, durable flat trays, and versatile seed trays from Greenhouse Megastore.
Flat Trays and Seed Trays for Easy Garden Planting
Serve up healthy seedlings and plants for the upcoming garden season with our collection of flat trays. These versatile seed trays make it easy to start seeds indoors before the ground is ready, while also providing a simple way to transport seedlings to their final location or showcase young plants in a retail nursery. No matter what you’re growing, Greenhouse Megastore has the planting tray supplies you need to help your garden bloom.
Why Should You Use Seed Starting Trays
When plants are healthy from the start, they’re more likely to thrive and look their best as they mature. Flat trays and seed trays provide a safe, controlled space for young plants to sprout, making them an essential tool for both casual gardeners and experienced growers.
Some gardeners use flat trays not only for starting plants but also for permanent indoor growing, creating a lush and vibrant environment. Unlike large outdoor pots that can be messy, these seed trays are designed with leak-proof features that make them perfect for indoor use. They’re also highly affordable, helping you save money while still supporting healthy plant growth.
Propagation Trays, Seed Trays and More
Shop dozens of bulk plant trays that are made for the way you garden.
Our 1020 flat trays come in three different thicknesses to suit every budget and growing need. These standard-size garden trays are perfect for inserts to kickstart spring planting as reliable seed trays, or you can fill them with soil and seeds for convenient fodder production. The heavy-duty open design allows for easy community watering, and each tray is available with or without drainage holes. Choose from colored 1020 trays for added style or daisy trays designed specifically for bedding plants.
Be sure to explore our full lineup of flat trays, inserts, propagation trays, plug flats, carrying trays, and humidity domes. Many of these versatile seed trays are crafted from durable materials like thermoformed plastic and terracotta, helping prevent leaks and ensuring long-lasting performance in any growing environment.
Not a fan of plastic? We also offer eco-friendly options such as biodegradable tray pots, mesh drainage trays, and plant irrigation waterbeds in a variety of shapes and sizes. These sustainable flat trays and seed trays let you grow strong, healthy plants while minimizing waste and making the most of every resource in your garden.
Choose from oversized flat trays that double as irrigation tables for potted plants or complete seed-starting kits that simplify those crucial early growth stages. Our selection includes options for organic gardening, kitchen herbs, and high-humidity seed trays designed to give your plants the best possible start.
The Best Plant and Seedling Tray Collection
Greenhouse Megastore supplies both hobby gardeners and commercial growers with the flat trays, expertise, and fast shipping needed to cultivate thriving plants. Whether you’re looking for a durable seed tray for your greenhouse grow table, a propagation tray for your windowsill, or a sturdy flat to showcase plants at the farmers market, we have the right options in stock and ready to ship.
Get the best value on flat trays and seed-starting supplies with Greenhouse Megastore. Thanks to our Price Match Policy, we’ll match any online competitor’s advertised price and even offer volume discounts on many seed trays and planting essentials. Contact our team today to discuss your growing goals and learn how our wide selection of Greenhouse Megastore trays can help you succeed.
Why should I use flat trays instead of traditional pots?
Flat trays provide a safe, organized space for seedlings to sprout, making them easier to water, transport, and transplant. Unlike bulky pots, they save space and are often designed with leak-proof features for indoor use.
What’s the difference between seed trays and propagation trays?
Seed trays are designed specifically for germinating seeds, while propagation trays can also be used for rooting cuttings and growing young plants. Both help create a controlled environment that promotes healthy growth.
Are flat trays reusable?
Yes. Most of our flat trays and seed trays are made from durable materials like thermoformed plastic and terracotta, which can be cleaned and reused season after season. We also carry biodegradable options for eco-conscious gardeners.
What size is a standard seed tray?
The most common size is the 1020 tray, which measures approximately 10" x 20". These versatile seed trays are available in multiple thicknesses, with or without drainage holes, and can be paired with inserts, domes, or plugs.
Do you have seed trays for organic or indoor growing?
Absolutely! We offer seed trays and starter kits for organic gardens, kitchen herbs, and even high-humidity seedlings. Many of these trays are ideal for indoor use, providing controlled conditions for year-round gardening.
