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  • Seed Trays
  • Seed Starter Trays - 32 Cell

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    Insert Tray for use with 2.5" Seed Starting Pots

    Features:

    • These 32 Cell Trays are made with EXTRA strength BPA-free, food-safe plastic and are the most durable propagation trays on the market.  
    • These trays are NOT flimsy or brittle. They can easily handle anything you put in them
    • Backed by 1 Year Warranty to be free of breakage or warping
    • Each cell measures 2” square by 2” deep. Outer Dimensions: 21 1/4” x 11 1/4” x 2” Deep
    • This tray is compatible with 2"x2" rockwool cubes found with many grow towers
    • This tray works as a holder for our 2.5" seed starting pots

    Description:

    Our 32 Cell Seed Trays are exclusively designed and sold by Bootstrap Farmer. 

    These seedling trays are built to fit 2x2 Rockwool cubes found with many grow tower kits.  These are meant to be reused over and over, season after season. They are perfect for vegetables, herbs, flowers, and germination of seedlings in soil or hydroponics for hobby or commercial growers.

    These will fit into any standard 1020 flats, including our super durable propagation trays, sold exclusively by Bootstrap Farmer.  Cells are a bit wider on the top and slightly tapers to the bottom, with drainage holes. The drainage holes allow for roots to continue to grow through the bottom of the cell tray if desired.  They are large enough for roots to find their way, but also small enough to hold moistened vermiculite in place.

    Free shipping on orders over $75 to Contiguous US

    Shipping Policy

    Most products will ship from our facility in 1 to 2 business days after the order is placed.  Express shipments placed after 12PM EST will be shipped out next business day. Full details can be found on our Shipping Policy Page

    Returns Policy

    Returns can be made on most products within 30 days of purchase. After 30 days we unable to offer a refund or exchange. Certain products are non-returnable. For full details visit our Returns Policy

    QUESTIONS & ANSWERS

    Ask a Question
    • What date in May will the Color Seed Starter Pots - 2.5" Extra Strength be available?

      We expect the multi-colored insert pots to be available at the end of June!

    • Do seeds get started in the trays or do you need to put pots in them?

      Pots are not needed.  You can use rockwool or another form of cubed medium.

    • Hi - Are the 'Seed Starter Trays - 32 Cell exclusively designed and sold by Bootstrap Farmer' and/or other seed starting trays, etc US (or non-chinese) made?

      Our 32-cell trays are designed by and exclusive to us, but they are made overseas. If you are looking specifically for our USA-made products, you can find them all in the USA-Made Products collection. 

      Let us know if you have any questions—we’re happy to help!

    • What kind of plastic is this 32 seed carrying tray? Thanks

      The 32 cell tray is made out of PS plastic.

    • Do you have to use a cubed medium with these trays or would regular potting mix /seed starting mix work

      You can use regular potting soil but these are most frequently used as holders for our 2.5 inch pots. 2 inch cubed media will also fit but we do not carry it at this time. 

      Here is a link to the pots: https://www.bootstrapfarmer.com/collections/pots-saucers/products/color-seed-starter-pots-2-5-extra-strength

    • Does the Seed Starter Trays - 32 Cell fit inside the 1020 Extra Strength Trays (no holes). And does the Color Seed Starter Pots - 2.5" Extra Strength fit inside the cells of the Seed Starter Trays - 32 Cell

      We recommend the shallow trays without holes for bottom watering the 32 cell tray and 2.5" pots. All of those fit together well!

    Customer Reviews
    4.9 Based on 146 Reviews
    5 ★
    96% 
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    Filter Reviews:
    A
    04/11/2025
    Arden SVG verified by SHOP
    United States

    These feel really sturdy and will be really efficient, im excited to use them.

    LC
    04/09/2025
    Lee C.
    United States

    These are keepers

    Replacing all my flimsy plastic with Bootstrap farmer. These are keepers and will serve well for years to come.

    TT
    04/08/2025
    Tracy T.
    United States

    Super satisfied

    I bought these to use with the 2.5” seed starter pots. They hold the pots secure with no tipping. They feel like they will last a long time and I’m really happy with my purchase.

    TJ
    04/07/2025
    Tammy J.
    United States

    excellent products

    Thoroughly recommend Bootstrap's reusable pots, inserts and propagation trays. I've tried nearly all non-plastic alternatives for seed starting, transplanting and growing-on plants, but for good or bad, nothing beats plastic. Since we have to use plastic, I believe in buying the best products available and using them for years. Bootstrap's products meet those requirements perfectly. I've been using their seed starting pots with inserts, propagation trays and larger pots for 4 years now, pretty much all year, meaning lots of washing, bleaching and even microwaving for sterilization - - and not hint of warping, breaking or wearing out. Love these products!

    WT
    04/04/2025
    wendy t.
    United States

    Bootstrap Farmer pots are just what I needed.

    Last year I purchased the 6 cell seed starting pots. This year I bought the 2.5 inch pots. I hope to keep adding to my supplies with Bootstrap Farmer. I expect them to last for many years.