Quick verdict
A 2 inch spiral auger 32 inches long on a 3/8 inch hex shank that chucks into a cordless drill and bores planting holes for bulbs, bedding plants, seedlings and fence post pilot holes while you stand upright. Thirty-two inches is the length that lets a tall user drill without stooping. Carbon steel with an orange powder coat resists bending and rust. Hundreds of bulbs in an afternoon is the job it was made for; a drill with a side handle and a low gear is the partner.
Strengths
- Bores planting holes from standing height
- Thirty-two inches suits tall users and deep holes
- Two inch bore for bulbs, plugs and small pots
- Carbon steel and powder coat resist bending and rust
- Fits any drill with a 3/8 inch chuck
Weaknesses
- A powerful drill can twist the wrist when the auger catches a root; use the side handle
- Clay and stony ground stall it
- Long auger wobbles at speed; start slow
The overall YardToolLab Score is out of 100. Section scores are out of 10.
Two Hundred Bulbs Before Lunch
A trowel plants a bulb in a minute of kneeling. A planting auger in a cordless drill does it in five seconds standing up. Insaga’s is a 2 inch spiral 32 inches long on a 3/8 inch hex shank, carbon steel under an orange powder coat, long enough for a tall gardener to drill a hole without bending and deep enough for a fence post pilot.
This review is based on the listing specifications and on how drill-driven planting augers perform generally. We have not used this auger ourselves.
Using It
Chuck it in a drill with a side handle, set a low gear, start slowly with the point on the spot and let the spiral pull itself in. Lift it out turning and the soil comes with it in a loose pile beside a clean hole. Drop the bulb, kick the soil back, move a foot and repeat. Two inches suits bulbs, plugs and small pots; a line of bedding goes in at a walk.
Length
Short augers mean stooping, which defeats the purpose. Thirty-two inches lets a tall user drill upright and reaches deep for post pilots and for mixing amendments into a hole. At speed a long auger wobbles; start slow and let it bite before squeezing the trigger.
Safety
When the auger hits a root or a stone the drill stops and the torque goes into the wrist. Hold the side handle, keep the trigger light and set the clutch low on a drill that has one. Reverse out of a catch rather than forcing through.
Ground
Loam and moist clay drill well; clear the flutes every few holes. Dry baked clay and rocky ground stall it and bend cheaper augers. Water the bed the day before planting.
Who Should Buy It
- Anyone planting bulbs or bedding by the hundred.
- Gardeners who cannot kneel.
- Fence builders wanting pilot holes for posts.
Common Owner Complaints
Wrist twist on roots and stalling in hard ground. Side handle and low clutch; water the ground first.
Technique Tips
Mark the planting depth on the auger with tape so every bulb goes in the same. Drill in a grid with the holes staggered and the spoil kicked back as you go, so you are not walking on a field of piles. For bedding plants in a mulched bed, drill through the mulch and the spoil sits on top for a quick tidy. Clear the flutes with a gloved hand when the auger starts lifting less soil.
Alternatives to Consider
A 3 inch auger for larger plants. A 1.6 inch auger for small bulbs. A traditional long-handled bulb planter for a few dozen bulbs.
Verdict
For bulbs and bedding in quantity, a long auger in a drill is the fastest and kindest method there is, and this one is the right length and material. Use the side handle, start slow and plant standing.
Full specifications
Insaga 2 x 32 Inch Heavy Duty Carbon Steel Spiral Garden Planting Auger Drill Bit, 3/8 Inch Hex Drive FAQs
A cordless drill with a 3/8 inch or larger chuck, a side handle and a low gear. An 18V drill with a 4 Ah pack bores a few hundred holes.
As deep as you push, up to the full 32 inches. For bulbs, 6 to 8 inches; for fence post pilots, deeper.
The drill twists in the hand. Hold the side handle, keep the trigger light and reverse out. A drill with a clutch set low limits the kick.
Moist clay, yes, slowly, clearing the flutes often. Dry baked clay and rocks stop it; water the area the day before.


