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Grow1 X-Deep Premium Seedling Plug Tray 72-Cell (USA Made) - 10" x 20"

  • 72-cell layout in a 10 inch by 20 inch footprint
  • 3.25-inch cell depth for deep-rooting ornamentals
  • Square cell shape with per-cell drainage holes
  • View More Details

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THROUGH THE Cultivator's LENS Product Evaluation

  • You are germinating seeds in high density because your current setup forces you to choose between space efficiency and root health
  • You are starting deep-rooting plants because shallow trays cause your seedlings to become root-bound too quickly

  • The extra-deep cells provide significantly more vertical space for taproots to establish.
  • The crack-resistant build is designed to endure multiple propagation cycles.
  • Each cell includes precision drainage holes to ensure a high-oxygen environment at the root zone.

  • Growers who switched to these deep cells say their plants show significantly better root mass before transplanting
  • Users handling frequent propagation cycles say the pliable plastic survives extractions without snapping

Grow1 USA Premium X-Deep 72 Cell Seedling Plug Tray (10" x 20")

The Grow1 USA Premium X-Deep 72 Cell Seedling Plug Tray is engineered for growers who refuse to compromise between high-density production and superior root health. Proudly manufactured in the USA, this tray is constructed from a premium, pliable plastic that far exceeds the durability of standard retail inserts. While thinner, standard 72-cell seedling trays often crack during transport or seedling extraction, this crack-resistant build is designed to endure multiple propagation cycles.

What sets the X-Deep series apart is the substantial 3.25-inch cell depth. Most 72-cell trays are shallow, forcing seedlings to become root-bound quickly. These extra-deep cells provide significantly more vertical space for taproots to establish, making them an ideal choice for starting peppers, tomatoes, and deep-rooting ornamentals. If you require even larger cell volumes for your starts, consider the Grow1 X-Deep 50-cell seedling plug tray for increased soil capacity. By allowing for a larger root mass, you ensure your starts are more resilient to transplant shock and ready for explosive growth once moved to their final containers.

This insert is designed to drop perfectly into standard 10" x 20" propagation flats, such as the USA-made premium propagation tray. Each cell includes precision drainage holes to ensure a high-oxygen environment at the root zone while preventing water from stagnating. Whether you are a hobbyist or a commercial nursery manager, these USA-made trays offer the professional performance required for high-success propagation.

Features

🇺🇸
USA Premium Quality

Manufactured domestically with high-grade, pliable plastic for a sturdier feel and significantly longer lifespan.

📐
Extra-Deep 3.25" Cells

Deep-cell architecture provides the extra volume needed for vigorous root development in a high-density 72-cell layout.

🏗️
Pliable & Crack-Resistant

Designed to flex during transplanting without snapping, allowing for easy seedling removal and multi-season reuse.

💧
Optimal Drainage

Every cell features built-in drainage holes to flush excess water and prevent damping-off or root rot.

Specifications

Specification Value
Dimensions 20" x 10" x 3.25"
Cell Count 72
Cell Depth 3.25" in
Cell Shape Square
Material USA-Made Premium Pliable Plastic
Drainage Holes Yes (Per Cell)
Origin Made in the USA

FAQ

What is the advantage of a 3.25" deep 72-cell tray? +

Standard 72-cell trays are usually only 2 inches deep. The extra 1.25 inches in this X-Deep tray allows for much better root establishment, meaning seedlings can grow larger and stronger before they need to be transplanted.

Will this fit my existing 10x20 propagation trays? +

Yes. The top dimensions follow the standard industry 10" x 20" footprint. It is compatible with the Grow1 premium propagation tray with drain holes. However, because it is deeper than a standard tray, ensure your humidity dome has enough height to accommodate both the tray and the growing seedlings.

Can I reuse these trays across multiple seasons? +

Absolutely. Unlike the thin, brittle "throw-away" trays found at big-box stores, these are made from high-quality pliable plastic specifically designed for repeated use in professional nurseries.

Is the plastic safe for edible plants? +

Yes, these trays are made from high-quality, durable plastic that is safe for starting vegetables, herbs, and other food crops.

How do I extract seedlings from such deep cells? +

Because the material is pliable, you can gently squeeze the base of the cell to loosen the root ball. For deep cells, using a specialized seedling removal tool or a small dibber can also help pop the plug out from the bottom.

How should I clean the tray between uses? +

Rinse away any leftover soil and sanitize with a diluted solution of hydrogen peroxide or bleach. The crack-resistant material can handle thorough scrubbing without falling apart.

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