Nisaku NJP650 Hori Hori Weeding Knife Review
The one tool we reach for first
As an Amazon Associate, Karen Verified earns from qualifying purchases. That never changes our verdict.
Verdict: Karen Verified
Karen VerifiedThe short answer: The Nisaku hori hori is the tool we would keep if we could only keep one. It digs, cuts, pries and measures, and after a year the blade is still straight and sharp.
- Buy it if
- Weeding tap roots, transplanting, dividing perennials, opening compost bags.
- Skip it if
- You want something safe for a child to use, or you only tend a few pots.
- Best feature
- Stiff stainless blade with a serrated edge and depth marks.
- Biggest annoyance
- The wooden handle dries out and the sheath is thin.
- The catch
- It is a knife. The tip is sharp enough to go through a hose or a boot if you are careless, and the sheath does not lock it in.
- Evaluation
- In use since September 2025
- Model
- Nisaku NJP650

The 20-second verdict
The one tool we reach for first The Nisaku hori hori is the tool we would keep if we could only keep one. It digs, cuts, pries and measures, and after a year the blade is still straight and sharp. Best for: Weeding tap roots, transplanting, dividing perennials, opening compost bags. Skip if: You want something safe for a child to use, or you only tend a few pots.
What we loved, and what annoyed us
What we loved
- Stiff stainless blade that holds an edge
- Serrated side saws through roots
- Depth marks are genuinely useful
- Comfortable handle for long sessions
What annoyed us
- Wood handle needs oiling
- Sheath is thin and does not lock
- Very sharp tip for a garden tool
What We Loved
Weeding a bed of bindweed with this is a different job than with a trowel. The concave blade slides down beside a tap root, a twist pops it, and the serrated edge takes care of anything woody. Transplanting from pots, the depth marks on the blade replace guessing. It has opened compost bags, cut twine, levered out a paver and divided a hosta, all without complaint. The balance is right in the hand.
What Annoyed Us
The wooden handle went grey and slightly rough after a wet spring until we oiled it. The sheath is functional but the knife slides out if it is upside down on a belt. The tip is sharp enough to have gone into a drip line twice.
The Catch
It is a proper knife with a garden job. That makes it fast and versatile, and it also means you need to store it where a child will not find it and pay attention to where your other hand is.
Who it is for
- Weeding tap-rooted weeds
- Transplanting and dividing
- Anyone who wants fewer tools
Who should skip it
- Kids or casual pot gardeners
- Anyone who wants a tool that lives loose in a bucket
How we evaluated it
- Evaluation period
- A full year, ongoing
- Where
- Clay-heavy suburban garden and community plot
- What we did with it
- Weeding, transplanting, dividing, cutting roots and twine, prying
- Compared against
- A previous no-name hori hori and a standard steel trowel
- What we looked at
- Edge retention, blade flex, handle comfort, rust
- Limitations
- Did not test the leather-sheath variants
- Product source
- Purchased at retail
- Dates
- September 2025 – ongoing
Read how we evaluate products and our editorial standards.
Performance
The blade does not flex when prying and the edge is still keen after a year of soil contact. The serrations are aggressive enough for roots as thick as a thumb. No rust so far with a rinse after use. The concave shape moves soil better than a flat blade and the pointed tip gets under stones.
Ease of use, design, and build quality
Ease of use
Nothing to learn beyond respecting the edge. The handle fills the hand and the blade shape makes both stab-and-lever and saw motions natural.
Design and build quality
A long stainless blade with one plain and one serrated edge, a plain wooden handle, and a nylon sheath. Traditional and unfussy.
Privacy and connectivity
No app, no account, nothing to connect.
Safety notes
This is a sharp fixed-blade knife. Keep it sheathed, store it out of reach of children, and mind your off hand.
Cleaning, maintenance, and ongoing costs
Rinse and dry after use, oil the handle a few times a year, touch up the edge with a stone when it starts to drag.
What it keeps costing you
| Consumables | None |
|---|---|
| Expected life | Decades |
Value
You get a trowel, a weeder, a root saw and a measuring stick in one piece of steel that will outlast all of them. The trade is that it is sharper and heavier than any of those alone.
Alternatives
Nisaku NJP801 Yamagatana has a rubberized ergonomic grip for people with larger hands or arthritis.
Radius Garden 100 is lighter, gentler on wrists, and not a knife.
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Specifications
| Brand / model | Nisaku NJP650 |
|---|---|
| Blade length | 7.25 inches (manufacturer states) |
| Blade material | Stainless steel |
| Handle | Wood |
| Edges | One plain, one serrated |
| Depth markings | Inch and centimeter |
| Sheath | Included |
Only specifications that affect the buying decision are listed. Figures marked “manufacturer states” are the maker's claims, not our measurements.
Warranty and returns
Manufacturer states a limited warranty; returns are set by the retailer.
Reader questions
Does it rust?
Which edge do I use for weeding?
Final verdict
Verdict: Karen Verified
Karen VerifiedVerified. The single most useful hand tool in our shed, and the one we would replace the same day if we lost it.
- Best for
- Weeding tap roots, transplanting, dividing perennials, opening compost bags.
- Skip if
- You want something safe for a child to use, or you only tend a few pots.
- Main strength
- Stiff stainless blade with a serrated edge and depth marks.
- Main weakness
- The wooden handle dries out and the sheath is thin.
As an Amazon Associate, Karen Verified earns from qualifying purchases. That never changes our verdict.
Update and correction history
- Published.Why: Initial evaluation.Verdict unchanged
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