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  • Seed Trays
  • 6 Cell Plug Tray Inserts

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    USA Made 6 Cell Trays

    Our 6 cell tray inserts are made for the grower that wants an easily removable insert when growing a variety of crops.  Made out of food-safe heavy duty polypropylene plastic.  These are not your typical throw-away seed tray inserts.  They are built to be used for many years of use. Also available in colors!

    Features

    • Made from FDA Prime Grade Extra Strength Polypropylene (#5 BPA free) plastic
    • Extra Large ⅝" Drainage Hole which makes for an incredibly easy seedling removal. 
    • These 6 Cell Inserts are designed with Air Prune technology.  Air channels are added on each side to prevent root circling.  Air pruned roots are shown to provide healthier and more vigorous growth. 
    • Proudly made in the USA our Seed trays are guaranteed to last at least 2 years
    • 12 inserts fit per 1020 tray
    • 60 pack gives you a total of 360 cells
    • 120 pack gives you a total of 720 cells
    • 360 pack gives you a total of 2,160 cells

    Dimensions

    • Seed tray insert outer dimensions: 5" x 3⅓" x 2¼" height
    • Each cell in tray insert is 1½" x 1½" x 2⅛" on top which tapers down to 1" at the bottom
    • Air pruning slits measure 0.11" wide x 1¼" tall

    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
    • How do you clean and disinfect for reuse?

      Use a hose to wash off any soil residue. They can then be washed in hot soapy water. For further disinfecting they can be dipped either into vinegar, 3% hydrogen peroxide, or a mild bleach solution.

    • What is the diameter of the drainage hole on a cell?

      The 6 cell plug tray inserts have slits that are about 1/8". Over the next 3 months, we will be redesigning them to have 5/8" hole on the bottom.

    • What can be used to push seedlings out of the holes at the bottom of these cells?

      Our Widger Dibber is the best tool for removing seedlings from cell trays! Here is the link to the product!https://www.bootstrapfarmer.com/products/widger-dibber-set?_pos=2&_sid=426392a8a&_ss=rhttps://www.bootstrapfarmer.com/products/widger-dibber-set?_pos=2&_sid=426392a8a&_ss=r

    • How many 6 cell inserts fit in the 1020 tray.

      12 of the 6 cell inserts fit in each 1020 tray.

    • Will these 6 cell trays fit in the 5x5 tray with humidity dome?

      They won't fit in the 5x5 trays.  They are designed to fit within the 1020 trays.

    • Will 12 of these 6-cell inserts fit into the 1010 seed starting flats?

      You can fit 6 of the 6 cell trays in a 1010.  However they won't sit completely flat.  They are better designed for 1020 trays.

    • Are these dishwasher safe?

      They are without the heated dry cycle. Any damages done during dishwashing void the warranty.

    Customer Reviews
    4.9 Based on 193 Reviews
    5 ★
    96% 
    185
    4 ★
    3% 
    5
    3 ★
    1% 
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    Filter Reviews:
    BS
    03/14/2025
    Bobbi S.
    United States

    HEAVY DUTY!!!

    These are made so well they’re going to last for years. Highly recommended.

    SS
    03/08/2025
    Sara S.
    United States

    Narrow bottom fail

    I purchased hard cell packs years ago made from the same plastic. Possibly it was from another company? Anyway, these cells narrow at the bottom vs my old are as wide as they are up top. Also the plastic is not as thick and I feel will not hold up as well as my old. My growing season has started and I didn't have time to find better quality, but in the off season I will be looking.

    R
    03/01/2025
    Rebecca SVG verified by SHOP
    United States

    Thrilled with no longer having to replace tray inserts every year. Better for the environment and better for my gardening budget.

    JM
    02/22/2025
    John M.
    United States

    Great product

    This is the first time I have ordered used these, so far I love them.

    L
    01/31/2025
    Lillian SVG verified by SHOP
    United States

    Came promptly and were in great shape. Will be first time using this product but I am expecting them to work quite well for my needs.