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BonJoro Copper Watering Can by Negishi Industry Co.

BonJoro Copper Watering Can by Negishi Industry Co.

Negishi Industry

Out of stock

Regular price $178.00
Regular price Sale price $178.00
Sale Sold out Made in Japan
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The word for watering can in Japanese is borrowed from the Portuguese: Jorro. The ’Bon Joro’ here is a kind of greeting to the work of Negishi and is a simple and portable option for gardens or indoor use.

  • Size: Height 5 inches x Width 14.1 inches X Depth 4.33 inches

  • Volume: 1 Liter

  • Material: Copper and Brass

  • Made in Japan


    About Negishi Industry Co.

    Negishi Industry Co., is a family owned group of master metal smiths soldering and crafting each watering can by hand in their Tokyo studio. Only 3 people in the world make each of these very limited pieces in the Sumida area of the capital city.

Negishi Industry Co. began making watering cans in the 1960’s to accommodate demand for high quality implements for bonsai.

Then and now, Negishi watering can have a special status among bonsai practitioners because of the unique rain like fall of the water from their nozzles.

The handmade production process involves melting solder over hot coals, and allowing it to ‘flow’ with the maker’s skill on to the metal’s surface. Each can takes nearly half a day to construct and thus only a few can be made by the company each day. As the these works have such a limited production run, we have a small selection at Gardenheir.

We stock very limited quantities of the Bon Joro series in copper with brass detail.

This can and size is ideal for indoor, balcony or patio use.

How to Care for your Negishi

  • For copper watering cans it is advisable to wipe remaining water after use, and not to leave water to stand in the can when not in use.


  • After use, wipe the can lightly inside and out, and leave in to dry in an airy location. The cans do not respond well to enclosed spaces (such as wine cellars), or to direct sun.


  • Following long term use, some changes in the material (and especially copper) will be noticeable. But as long as the care instructions are followed above, this is simply the natural process of the metal acquiring character with age.


  • Well cared for, the metal will remain in good condition for at least ten years. In the event of damage or breakage, the product may be returned to Negishi in Tokyo for repair, subject to shipping and costs.


  • Stainless steel and Brass cans require less careful maintenance than copper, but as a general rule it is better to follow the same care instructions above.

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