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Front view of a green TreeGator Original 20-gallon slow-release tree watering bag showing top fill opening, black straps, and zipper detail.

TreeGator Original 20 Gallon Slow-Release Tree Watering Bag

Brand: TreeGator
Save 25%
$33.91
$25.43
SKU 98183
In Stock (108)

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TreeGator® Original 20-gallon slow-release watering bag delivers deep, even moisture directly to a tree’s root zone with minimal runoff. Designed for newly planted and established trees, it reduces transplant shock and cuts watering time while encouraging deep root growth.

  • Approximate capacity: Holds roughly 15–25 gallons (average 20 gal) to soak the root zone thoroughly.
  • Tree size & fit: Single bag fits 1–4" caliper trunks; zip two bags together for 4–8" caliper trees.
  • Material & durability: Made from UV-stabilized polyethylene with nylon webbing and reinforced straps for season-to-season use.
  • Controlled release: Two water-release points per bag provide a slow drip over approximately 5–9 hours for deep saturation.
  • Dimensions: Filled height ~30" and base width ~18" (approximate, filled).
  • Easy setup: Wrap, zip, insert hose into top fill opening (fits hoses up to 3"), fill, and leave to drain — ready in minutes.

For most new 1–2" caliper plantings one fill will provide moisture for roughly 5–7 days depending on weather and soil. Use TreeGator bags during the first one to two growing seasons for best establishment results, or as supplemental drought watering afterward. Store drained and protected from prolonged sunlight when not in use.

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Frequently Asked Questions

What tree sizes does this 20-gallon TreeGator fit?
A single bag is suitable for 1–4" caliper trunks; zip two bags together to water trees approximately 4–8" caliper.
How often should I refill the TreeGator bag?
Depending on weather and soil, one fill typically waters new plantings for about 5–7 days; draining takes roughly 5–9 hours.
What is the bag made of and how durable is it?
Constructed from UV-stabilized polyethylene with nylon webbing and reinforced straps. Designed for seasonal use and occasional multi-year service.
How do I install and fill the TreeGator bag?
Wrap around trunk with zippers uphill, zip closed, insert hose into top opening (fits up to 3" hose), fill to desired level, then remove when not in use.

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