Primea ReviewsAll Reviews

Primea Reviews is reader-supported. When you buy through our Amazon links we may earn a commission, at no extra cost to you. Rankings are set by our editors and never sold. Learn more

Ranked & Reviewed by Primea Reviews

The 6 Best Power Planter Garden Augers of 2026, Ranked & Reviewed

By the Primea Editorial TeamUpdated November 4, 20268 min read6 products ranked
The 6 Best Power Planter Garden Augers of 2026, Ranked & Reviewed

The short answer

The Power Planter 3 x 24 Inch auger is the best all-rounder, with a 1/2 inch hex drive and 10-gauge spiral flighting that suits most beds and shrubs. The 3 x 36 Inch goes deeper for bulbs and perennials, and the 7 x 28 Inch digs wide holes for shrubs. The shorter models and the grass plug tool are for narrower jobs.

The Primea Scoreboard

Ranked & Reviewed

  1. A 3 inch by 24 inch auger with a 1/2 inch hex and spiral flighting.

    94Outstanding
    Check price
  2. A hand-welded 36 inch auger for deep bulbs and posts.

    91Excellent
    Check price
  3. A 7 inch wide auger with double flighting and replaceable blades.

    89Excellent
    Check price
  4. A 3 by 12 inch auger for dirt, clay, rock and sand, plus paint and cement mixing.

    87Excellent
    Check price
  5. A compact solid-steel auger for plugs, sod and hard soil.

    83Very Good
    Check price
  6. A 7 inch bulb auger on a 3/8 inch hex for compact drills.

    80Very Good
    Check price

A garden auger is a drill bit scaled up, and the mistake most buyers make is matching it to the plant rather than to the drill. The hex size has to fit your chuck, and the drill has to survive the torque of a 7 inch bit in clay. A tool that stalls the motor is worse than hand digging.

Power Planter makes the best-known augers for this job, so this ranking compares six of its models. They are scored on diameter, length, drive size, flighting and the soils each can handle. Where a spec is not printed, the guide says so, and nothing here claims drill compatibility beyond what the hex size lists.

Before you buy

What Actually Matters

01

Auger diameter

Diameter sets the hole width. A 3 inch bit suits bulbs, seedlings and small pots, while a 7 inch bit handles shrubs and one-gallon plants. Match the diameter to the root ball you plant. Check the listing for the stated width in inches, and not just the product name.

02

Length and depth

Length decides how deep you can plant. A 7 inch bit suits shallow bulbs, 24 inches fits most perennials, and 36 inches reaches deep. Longer bits wobble more. Choose the shortest auger that reaches the depth you need, and start the hole slowly.

03

Hex drive size

The hex fits your drill chuck. The 3 x 24, 3 x 36 and 7 x 28 use 1/2 inch hexes, the 3 x 7 a 3/8 inch hex. A 1/2 inch hex needs a 1/2 inch chuck. Check your drill's chuck size and torque before buying a wide auger.

04

Flighting

Flighting is the spiral that carries soil out of the hole. Thicker gauge resists bending, and double flighting moves more soil per turn. The 3 x 24 lists 10-gauge, the 7 x 28 double 10-gauge. Look for a stated gauge or flighting type on the listing.

05

Soil conditions

Clay, rock and compacted soil stall augers, while loose loam is easy. The DIY Guru lists dirt, clay, rocky soil and sand. Rocks can jam any bit, so loosen hard ground first and run the drill slowly until the auger bites.

In-depth reviews

Our Ranked Picks, Reviewed

1

Best Overall

Power Planter 3 x 24 Inch Extended Length Auger

Our verdict: A 3 inch by 24 inch auger with a 1/2 inch hex and spiral flighting.

This auger is 3 inches in diameter and 24 inches long, with a 1/2 inch non-slip hex drive and 10-gauge spiral flighting. It costs $25 to $50.

Twenty-four inches is the practical sweet spot. It reaches deep enough for most perennials and shrubs but stays short enough to control, and 3 inches is the diameter that most nursery pots and bulbs fit. The 10-gauge flighting is the part that carries soil out of the hole. It ranks above the 36 inch model because longer augers whip in a drill and need more arm control. It does not dig as wide as the 7 inch model.

Buy it for general bed planting. A 1/2 inch hex needs a 1/2 inch chuck, so check your drill first.

Diameter
3 inches
Length
24 inches
Drive
1/2 inch non-slip hex
Flighting
10-gauge spiral

What we like

  • +Controllable 24 inch length
  • +1/2 inch non-slip hex
  • +10-gauge spiral flighting
  • +Mid-range price

Watch out for

  • −Needs a 1/2 inch chuck
  • −Narrow 3 inch hole
  • −Soil types not listed

Buy it if: General bed planting and small shrubs.

Skip it if: You need wide holes for large plants.

2

Best for Deep Planting

Power Planter 3 x 36 Inch Bulb and Bedding Auger

Our verdict: A hand-welded 36 inch auger for deep bulbs and posts.

Power Planter's 36 inch bulb and bedding auger is 3 inches wide, uses a 1/2 inch non-slip hex and is hand welded. It costs $50 to $100.

The extra twelve inches over the 24 inch model reach deep-planted bulbs like tulips and daffodils where depth matters. Hand welding is the build note worth noting, because a long auger works its joints harder than a short one. It ranks second because length costs control: a long bit wobbles at the tip until the hole is started, and the listing prints no flighting gauge. It beats the 12 inch Guru by reach.

Buy it for deep-set bulbs, seedlings and tall perennials. Start slow with a drill on low speed to steady the bit.

Diameter
3 inches
Length
36 inches
Drive
1/2 inch non-slip hex
Build
Hand-welded

What we like

  • +Longest reach in the ranking
  • +1/2 inch non-slip hex
  • +Hand-welded construction
  • +Good for deep bulbs

Watch out for

  • −Flighting gauge not listed
  • −Harder to keep straight
  • −Costs more than the 24 inch

Buy it if: Deep bulbs, tall perennials and seedlings.

Skip it if: You only plant shallow annuals.

3

Best for Wide Holes

Power Planter 7 x 28 Inch Extension Auger

Our verdict: A 7 inch wide auger with double flighting and replaceable blades.

This 7 inch by 28 inch auger has double 10-gauge flighting, replaceable blades and a 1/2 inch non-slip hex. It costs $100 to $200, the highest price here.

Seven inches is the width for shrubs and one-gallon plants, a diameter the 3 inch models cannot touch. Double flighting moves more soil per revolution and replaceable blades extend the life of the tool in abrasive ground. It ranks third because the price is nearly four times the 24 inch auger and the wider bit demands real drill torque, which a light cordless drill may not deliver. It is a specialist.

Buy it for shrub and rose planting. Use a corded or high-torque drill, and keep a firm grip against kickback.

Diameter
7 inches
Length
28 inches
Flighting
Double 10-gauge
Blades
Replaceable

What we like

  • +7 inch wide holes
  • +Double 10-gauge flighting
  • +Replaceable blades
  • +1/2 inch non-slip hex

Watch out for

  • −Highest price here
  • −Needs a high-torque drill
  • −Overkill for small plants

Buy it if: Shrub, rose and one-gallon plant installs.

Skip it if: You have a light drill or small plants.

4

Best Multi-Use Auger

Power Planter DIY Guru 3 x 12 Inch Garden Auger

Our verdict: A 3 by 12 inch auger for dirt, clay, rock and sand, plus paint and cement mixing.

The DIY Guru is a 3 inch by 12 inch auger, with the listing naming dirt, clay, rocky soil and sand as suitable soils and paint and cement mixing as extra uses. It costs $25 to $50.

It is the only auger here that lists soil types and a second job. That makes it the best fit for a mixed yard where you also stir paint or mortar. At 12 inches it is short, so it cannot reach deep-planted bulbs the way the 24 and 36 inch models do. It ranks fourth for that limit, even though the price matches the 24 inch.

Buy it for shallow planting, annuals and mixing jobs. Skip it if you need depth, since 12 inches ends before a full-size bulb layer.

Diameter
3 inches
Length
12 inches
Soils
Dirt, clay, rocky, sand
Extra uses
Paint and cement mixing

What we like

  • +Lists four soil types
  • +Also mixes paint and cement
  • +Short and controllable
  • +Mid-range price

Watch out for

  • −Only 12 inches long
  • −Drive size not stated
  • −Too shallow for bulbs

Buy it if: Shallow annuals and mixing jobs.

Skip it if: You plant deep bulbs or tall perennials.

5

Best for Plugs and Sod

Power Planter Flower Planting Auger and Grass Plug Tool

Our verdict: A compact solid-steel auger for plugs, sod and hard soil.

This is a compact flower planting auger and grass plug tool with a solid steel shaft. The listing names plugs, sod and hard soil as jobs, with paint and mortar mixing as another use. It costs $25 to $50.

Plug planting is a different job from bed digging: the hole is small and precise, and sod needs a tool that cuts a clean plug. This auger is built for that. It ranks fifth because the listing prints no diameter, length or drive size, which makes it hard to match to your drill. Against the DIY Guru, you gain plug-specific design but lose the soil list.

Buy it for lawn repair and small flower plugs. Check the drive size against your chuck before ordering.

Type
Flower and grass plug auger
Shaft
Solid steel
Jobs
Plugs, sod, hard soil
Other use
Paint and mortar mixing

What we like

  • +Designed for grass plugs
  • +Solid steel shaft
  • +Handles hard soil
  • +Also mixes mortar

Watch out for

  • −No dimensions printed
  • −Drive size not stated
  • −Narrow range of uses

Buy it if: Lawn repair and small flower plugs.

Skip it if: You want to dig bulb or shrub holes.

6

Best Compact Bulb Auger

Power Planter 3 x 7 Inch Bulb and Bedding Auger

Our verdict: A 7 inch bulb auger on a 3/8 inch hex for compact drills.

The 3 x 7 inch bulb and bedding auger has a 3/8 inch non-slip hex and a 5/8 inch steel shaft. It costs $25 to $50.

Its 3/8 inch drive fits small cordless drills, which makes it the only auger here that suits a light tool, and the 5/8 inch shaft adds some strength for its size. It ranks last because at 7 inches it only suits shallow bulbs and bedding plants, and the listing gives no flighting detail. It is a niche tool, though a useful one for a first-time user with a compact drill.

Buy it for crocuses, small bulbs and bedding plants. Skip it for anything deeper than a trowel's reach.

Diameter
3 inches
Length
7 inches
Drive
3/8 inch non-slip hex
Shaft
5/8 inch steel

What we like

  • +Fits small 3/8 inch chucks
  • +5/8 inch steel shaft
  • +Very controllable
  • +Mid-range price

Watch out for

  • −Only 7 inches long
  • −No flighting detail
  • −Shallow holes only

Buy it if: Small bulbs and bedding plants with a compact drill.

Skip it if: You need depth or wide holes.

Methodology

How We Ranked These

Diameter

Hole width, from 3 inch bulb holes to 7 inch shrub holes.

Length and depth

Auger length and how deep it can plant, balanced against control.

Drive and chuck fit

Hex size, which decides which drills the auger can use.

Flighting and build

Flighting gauge, welding and replaceable blades.

Versatility

Listed soils and extra uses such as mixing paint or mortar.

Every Primea Score uses the same weights: Performance 30% · Build & Materials 20% · Everyday Usability 20% · Value 20% · Owner Satisfaction 10%. Full scoring rules

Buyer's guide

How to Pick the Right One for You

By Planting Depth

Depth is the first constraint, and length is the spec that controls it.

Depth neededOur pick
Shallow, about 7 inchesPower Planter 3 x 7 Inch Bulb and Bedding Auger
About 12 inchesPower Planter DIY Guru 3 x 12 Inch Garden Auger
About 24 inchesPower Planter 3 x 24 Inch Extended Length Auger
Deep, about 36 inchesPower Planter 3 x 36 Inch Bulb and Bedding Auger

By Budget

SpendOur pick
$25 to $50, all-roundPower Planter 3 x 24 Inch Extended Length Auger
$25 to $50, plugsPower Planter Flower Planting Auger and Grass Plug Tool
$50 to $100Power Planter 3 x 36 Inch Bulb and Bedding Auger
$100 to $200Power Planter 7 x 28 Inch Extension Auger

Narrow vs Wide Holes

3 inch augers

Make small holes for bulbs and seedlings. The 3 x 7, 3 x 12, 3 x 24 and 3 x 36 models fit this role.

7 inch auger

Digs holes wide enough for shrubs and one-gallon plants. The 7 x 28 is the only one, with double flighting.

Buy the 3 x 24 first; add the 7 x 28 only if you plant shrubs regularly.

By Drill

Your drillOur pick
Compact 3/8 inch chuckPower Planter 3 x 7 Inch Bulb and Bedding Auger
Standard 1/2 inch chuckPower Planter 3 x 24 Inch Extended Length Auger
High-torque corded drillPower Planter 7 x 28 Inch Extension Auger
Any drill, mixing jobsPower Planter DIY Guru 3 x 12 Inch Garden Auger

For Spring Bulbs Specifically

Look for

A 3 inch diameter, enough length for planting depth, and a drive size your drill fits.

In this ranking

The 3 x 36 reaches deep-set bulbs, the 3 x 24 handles most beds and the 3 x 7 suits small bulbs.

When to Spend More

Spend more if

You plant shrubs or roses regularly. The 7 x 28's wide holes and replaceable blades justify the $100 to $200 price.

Save if

You plant bulbs and annuals. The 3 x 24 at $25 to $50 covers most jobs.

Questions

Frequently Asked Questions

What drill do I need for these augers?+

The 3 x 24, 3 x 36 and 7 x 28 use a 1/2 inch hex and need a matching chuck. The 3 x 7 uses a 3/8 inch hex for smaller drills. Wider augers need more torque, so use a corded or high-torque drill.

What is the most common mistake with garden augers?+

Using too much speed in hard soil. A 3 x 36 or 7 x 28 can kick back if it jams on a rock. Start slowly, let the flighting bite, and keep a firm two-handed grip on the drill.

Is the 7 x 28 worth it over the 3 x 24?+

Only for shrubs and one-gallon plants. The 7 x 28 digs 7 inch holes with double flighting but costs $100 to $200. The 3 x 24 handles bulbs and small perennials for $25 to $50.

How do I use the grass plug tool?+

Chuck it into your drill, press it straight down into the lawn and run at low speed to cut a plug. The listing names plugs, sod and hard soil, but gives no dimensions, so check the drive size first.

How do I clean and store an auger?+

Knock off soil, rinse the flighting and dry it before storing. The DIY Guru is also used for paint and cement mixing, so wash it promptly after those jobs to prevent hardened residue.

Can I use one in rocky ground?+

The DIY Guru lists rocky soil, but rocks still stop any bit. Probe the area first, and if the auger jams, back it out rather than forcing it. The 7 x 28's replaceable blades help in abrasive ground.

Final take

The Power Planter 3 x 24 Inch is the best garden auger for most gardeners because it balances reach, control and a 1/2 inch hex drive. The 3 x 36 Inch is the right call for deep bulbs, and the 7 x 28 Inch is a specialist for shrubs. The DIY Guru, the plug tool and the 3 x 7 suit narrower jobs.

More Ranked & Reviewed Guides