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Grow1 50-Cell Seedling Tray - 10" x 20"

  • 50 cells with 2.5-inch vertical depth for robust root zone development
  • Pliable USA-made plastic flexes under heavy loads instead of snapping
  • Over-the-edge fit requires a standard 1020 tray with a sturdy outer rim
  • View More Details

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THROUGH THE Cultivator's LENS Hands-On Evaluation

Who This Is For

  • You are upgrading your propagation setup because brittle nursery trays keep cracking and creating messes.
  • You are investing in deeper cell inserts because shallow trays stunt root growth before your crop is ready to move.

What We Found

  • The plastic feels much softer than standard trays and bends under a load without developing stress fractures.
  • Check your existing flats first because these hang on the outer rim instead of nesting inside the tray.

What Users Say

  • Users say their starts handle the move to larger pots better because the 2.5-inch depth builds a massive root ball.
  • Growers who switched from nursery flats report these survive being dropped without any corner cracking.

Grow1 50-Cell Seedling Tray - 10" x 20"

The Grow1 50-Cell Seedling Tray is a professional-grade propagation insert designed for growers who prioritize root health and tray longevity. Proudly manufactured in the USA, these trays are constructed from a premium pliable plastic that is significantly more durable than the brittle, standard material found in most nursery flats. Engineered to flex rather than snap, this tray is built to withstand multiple growing seasons of heavy use.

Each of the 50 cells features an extra-deep profile, providing your young plants with a 2.5-inch vertical runway for root development. This increased depth is essential for crops that require a strong start, such as tomatoes, peppers, and larger annuals, allowing them to establish a robust root system before they need to be transplanted. For even more volume per cell, some growers also utilize our X-Deep Seedling Plug Tray to maximize early growth. The result is a hardier plant with a reduced risk of transplant shock.

Designed for versatile management, these trays feature precision drainage holes to ensure a healthy air-to-water ratio in the root zone. **Note on Fitment:** This specific model is designed to fit over the edges of standard 10" x 20" propagation trays, providing a secure, elevated placement. If you require inserts that fit inside of a 1020 flat, please see our alternative models (310050 or 312003).

Features

🇺🇸
USA-Made Strength

Manufactured in the USA using high-grade, pliable plastic that is sturdier and more crack-resistant than standard imports.

🌱
Extra-Deep Root Zone

The 2.5" depth provides the vertical space needed for vigorous root branching in tomatoes, peppers, and woody starts.

📐
Over-the-Edge Fit

Designed to sit over the rim of 1020 flats, ensuring a stable, locked-in placement during transport or irrigation.

💧
Integrated Drainage

Built-in drainage holes prevent waterlogging and encourage roots to seek moisture downward for stronger taproots.

Specifications

Specification Value
Dimensions 20" x 10" x 2.5"
Cell Count 50 Cells
Cell Depth 2.5"
Material Durable Pliable Plastic
Drainage Holes Yes
Case Quantity 100 Trays
Origin Made in the USA

FAQ

What is the difference between this and a standard 72-cell tray? +

A 50-cell tray provides larger individual cell volume and depth compared to a 72-cell seedling tray. This is ideal for plants like tomatoes and peppers that grow quickly and benefit from more root space before transplanting into the garden.

Does this tray sit inside or over my 1020 propagation flat? +

This specific tray is designed to fit OVER the edges of a standard 10x20 tray. This keeps the cells slightly elevated and ensures a secure fit for carrying. If you need a tray that drops inside the flat, look for SKU 310050.

Are these trays reusable? +

Yes. Because these are made from a pliable, high-quality plastic blend in the USA, they are far more crack-resistant than standard single-use nursery trays. With proper cleaning and sanitization, they can be reused for many seasons.

Will standard humidity domes fit over this tray? +

Yes, since the tray follows the industry-standard 10" x 20" footprint, it is compatible with most standard 2" and 7" propagation domes.

Why is a 2.5-inch depth important for seedlings? +

Depth allows for a longer taproot and more lateral root branching. Deep cells help prevent plants from becoming root-bound as quickly, which reduces transplant shock and leads to faster establishment once moved to the field or a larger container.

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Questions About This Product?

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