What Size Auger Do I Need?

Find the right auger size for your project.

Choosing the ideal auger size for your outdoor projects is straightforward with our detailed auger size guide. All our durable, high-quality augers are made in the USA, making Power Planter your trusted source for reliable gardening tools. Once you have your auger picked out, make sure you have the right drill to power it. 

Still have questions?

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Get the Right Auger Diameter

2“ Diameter

Flower Planting Auger & Grass Plug Tool (2" x 7")

Tree Planting Auger Bit (2” x Variable Length)

Great For:

  • Planting annuals, grass plugs, and bare root saplings
  • Installing beach umbrellas and beach volleyball nets
  • Drilling holes to install termite bait stations (ie. Sentricon Stations)
  • Installing a sand fence or a snow fence
  • Horizontal boring (ex: under sidewalks)
  • Installing soil moisture probes
  • Ground anchors or stakes for trees
  • Installing real estate signs
  • Deep root fertilization
  • Tree aeration
  • Install Root Quencher Jr.
  • And more!

3“ Diameter

Bulb Planting Auger & Bedding Plant Tool (3" x 7")

DIY Guru Auger (3" x 12")

Extended Length Bulb Auger (3" x Variable Length)

Great For:

  • Planting 3-inch potted plants, bare root trees, bulbs, vegetables, and shrubs
  • Horizontal boring (ex: under sidewalks)
  • Installing a sand fence or a snow fence
  • Drilling holes to install termite bait stations (ie. Advance Stations)
  • Cleaning clogged PVC drainage pipes
  • Digging holes for small game traps
  • Mixing small batches of cement
  • Tilling small planter boxes
  • Installing real estate signs
  • Small Fence post hole digging
  • Mixing paint and mortar
  • Mixing polymers in soil
  • Mixing fertilizer
  • Mixing seeds
  • And more!

4“ & 5“ Diameter

Large Bulb Auger (4” x 28”)

Quart Pot Landscaping Auger (5” x 28”)

Great For:

  • Planting 3-inch potted plants, bare root trees, large bulbs, and shrubs
  • Planting quart pot-sized annuals or perennials
  • Cleaning clogged PVC drainage pipes
  • Post hole digging for fence posts
  • Fence post hole digging
  • Installing real estate signs
  • And more!

7“ Diameter

Gallon Pot & Post Hole Auger (7" x 28")

Great For:

  • Planting multiple bulbs into a single hole
  • Drilling holes in soil for gallon-sized up to 5-gallon-sized (if you ream the hole or drill 3 holes in a triangle) plants or B&B trees.
  • Installing real estate signs
  • Digging holes for support posts of decks, pergolas, and other outdoor structures
  • Fence post installation
  • 4×4 post hole digging
  • Digging irrigation and drainage systems
  • And more!

8“ & 9“ Diameter

8 Inch Auger with Heavy-Duty Tip (8” x 28”)

Extra Large Earth Auger with Heavy-Duty Tip (9" x 28")

Great For:

  • Planting 1-gallon and 2-gallon potted plants
  • Getting extra space around the root base of 1- or 2-gallon plants
  • 6×6 post hole digging (9″ diameter recommended)
  • Installing real estate signs
  • Fence post installation
  • And more!

Compare Auger Sizes

Some augers are taller than they seem. Use this chart to help compare sizes.

Options for Your Auger

For detailed information about our earth augers, please visit our FAQs page. Additionally, learn about a variety of applications for these versatile garden tools on our Project Matcher page.

Still have Questions?

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