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

  • 72 individual cells at a 3.25-inch depth for maximum root volume per square foot
  • Crack-resistant pliable plastic designed for easy seedling extraction and reuse
  • Standard 10 by 20 inch footprint drops perfectly into most propagation flats
  • View More Details

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THROUGH THE Cultivator's LENS Hands-On Evaluation

Who This Is For

  • You are starting deep-rooting crops because standard shallow trays force taproots to bind up far too early.
  • You are upgrading to pliable inserts because thin retail trays snap and crack when you try to pull starts out.

What We Found

  • The pliable plastic is the real winner here since you can squeeze the cells to pop starts out without snapping them.
  • We noticed these fit much tighter in standard flats than cheap imports, so they do not slide around during transport.

What Users Say

  • Growers who switched from shallow inserts say their starts look much more robust when moving to larger containers.
  • Users who reuse these for multiple seasons report they are still flexible enough to work with after several washes.

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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Questions About This Product?

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