Kiku Bonsai Lime Sulfur (Sulphur) For Whitening Deadwood (Calcium Polysulfide) - 4 fl. oz. Bottle

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Kiku lime sulfur (Sulphur) is used to bleach or whiten deadwood on a jin or shari on bonsai.  It also helps preserve the deadwood.  This process is very common on junipers along with several other species that feature deadwood.

How to use:
This process is best to do when it is the hottest time of year.

1.  Put on protective gloves and googles to keep lime sulfur off of skin and out of eyes.  An N95 particulate mask is also recommended.

2.  Moisten or wet deadwood 1 hour prior to applying.  The object is to let the water saturate the deadwood which will allow the lime sulfur to easily enter the deadwood.

3.  Dilute lime sulfur as desired with water.  This lime sulfur is a concentrate, but has been used without diluting.  I usually do 50/50

4.  Apply lime sulfur with a short, stiff bristle brush (nylon works best).

5.  Avoid getting lime sulfur on anything other than deadwood.  Lime sulfur will remove the color from most things.

6.  Reapply as needed after drying.

Keep out of reach of children and pets.
Avoid contact with eyes and skin. 
Do not mix with acids.
Use in ventilated area and avoid fumes.
Eye protection must be used with this product.

First Aid:
Eyes: Hold eye open and rinse with water for 15 minutes.
If Swallowed: Call a poison control center, physician or emergency room immediately.

Active Ingredients:
Calcium Polysulfide - 28%
Other Ingredients - 72%

Customer Reviews

Based on 23 reviews
Kun Xie (Pueblo, US)
love it

definitely a must have if you are making driftwood design. a tiny bottle but will last forever

dan bialik (Raleigh, US)
A splash of lime

After 43 years of bonsai, I’ve used this product before. Your customer service is first class. Well done, Harrisburg !

Richard Rebot (Chicago, US)
Bonsai jin

Product works well. In my case, I needed to apply twice to get the color I wanted.

Brian Batts (Chesapeake, US)
Super fast service!

Fast service and good product!

Gregory Harrison (Wethersfield, US)
Great product

Works better or faster than I thought


Ask a Question
  • Hello, Approximately how much will one 4 oz container cover? I am looking to do a phoenix graft and I want to make sure how many bottles I need to buy for this piece of driftwood/deadwood.

    I really have no idea.  We have some very large trees and I don't think we every used an entire bottle on one.  Most people dilute this so 1 part LS to 2 parts water, but this depends on the look you want.  The amount you use is also very dependent upon the type and age of the wood.  Some deadwood will absorb a great deal while others it just kinda stays on the surface.  I hope this helps.


Thank you for your purchase. We hope you are happy with your items! However, if you are not completely satisfied with your purchase for any reason, you may return it to us for a full refund, store credit, or an exchange. Please see below for more information on our return policy.


All returns* must be postmarked within thirty (30) days of the purchase date. With the exception of returns for broken/damaged items, all returned items must be in new and unused condition, with all original tags and labels attached.

*Plants + Trees Returns: By purchasing a tree from us, we assume you know how to properly care for the tree. Bonsai and other plants are alive and will die if not properly cared for. We have no control over how trees are cared for once in your possession. Therefore, by purchasing this tree, you acknowledge that we, the seller, provide no warranties expressed or implied after the tree is delivered. This tree is sold "AS IS" and this sale is considered final. No refunds or exchanges will be offered after the tree is purchased. We will only ship healthy trees. We will require a signature on most trees over $100USD. If the box arrives damaged, please take pictures and make note with the shipping company prior to signing. If you sign for the package, the sale is final.


For the easiest way to process returns purchased through our website, please visit:

For items purchased through Etsy, please include the item and invoice # and return to:
Superfly Bonsai
1670 S. Cameron Street
Harrisburg, PA 17104

For items purchased through Amazon, Walmart, or eBay, please visit the vendors website. Linked below is information from each vendor to get you started.
Amazon: click here
Walmart: click here
eBay: click here

Please note, you will be responsible for all return shipping charges.* We strongly recommend that you use a trackable method to mail your return.

*Certain returns may be eligible for shipping charge reimbursement. We reserve the right to refuse refunds on shipping charges based on reasons for return.


Once we receive your item, we will inspect the condition of the items and notify you that we have received your return. We will also notify you on the status of your refund after we've inspected the item.

If your return is approved, we will initiate a refund to your original method of payment. You will receive the credit within a few business days, depending on your card issuer's policies.


If you have any questions concerning our return policy, please contact us at:

*Management reserves the right to refuse a refund, exchange or the resale of any item based on the condition of the merchandise.

Shipping Policy

Order Processing

All orders are processed within 2 to 3 business days (excluding weekends and holidays) after receiving your order confirmation email. You will receive another notification when your order has shipped.

Plants + Trees Shipping: Shipping may be delayed to prevent the tree from sitting in a warehouse over a weekend or holiday. Most trees ship Monday-Wednesday. We do not ship trees to PO, FPO, or APO boxes. We also do not ship trees out of the continental US or to California.

Domestic Shipping Rates and Estimates

For calculated shipping rates: All orders (under $99 USD or Wholesale) will be presented with shipping options that are calculated based on the item weight, box size, and distance from our shipping location.  We currently only use Fedex.
Free Shipping: All RETAIL orders over $99.00 USD ship free within the continental USA. Free shipping will be the lowest cost option from FedEx.

In-Store Pickup

You can skip the shipping fees with free local pickup at our warehouse. We are located at:
1670 S. Cameron Street
Harrisburg, PA 17104

We will send you an email when your order is ready along with instructions.
Our in-store pickup hours are 10AM-4PM Monday-Friday. Please have your order confirmation email with you when you come.

International Shipping

At this time*, we do not offer international shipping.
*Shipping to Canada and Mexico will be available at some point in the near future. Check back for updates to this section.

How do I Check the Status of my Order?

When your order has shipped, you will receive an email notification from us which will include a tracking number you can use to check its status. Please allow 48 hours for the tracking information to become available.
If you haven’t received your order within a reasonable amount of time, please contact us at with your name and order number, and we will look into it for you.

Shipping to P.O. Boxes

FedEx: FedEx will only ship to P.O. Boxes with SmartPost, which we do not offer at this time. Click here for more information.

Refunds, Returns, and Exchanges

We accept returns that are postmarked within thirty (30) days of the purchase date. With the exception of returns for broken/damaged items, all returned items must be in new and unused condition, with all original tags and labels attached.
In the event that your order arrives damaged in any way, please email us as soon as possible at with your order number and a photo of the item’s condition. We address these on a case-by-case basis but will try our best to work towards a satisfactory solution.
If you have any further questions, please don't hesitate to contact us at

Large Orders

If you are a placing a larger order (over 30 bags of soil or many pots), it may be cheaper to ship via freight truck. If you are interested in pricing for this, please contact us here.

Show Pickup & The Superfly Express

We attend 7-10 shows a year (if not cancelled), mostly on the east coast. Please check our calendar to see if we may be attending a show close to your location, and we can arrange to bring your order for pickup at the show.  No minimum.

We started the Superfly Express shortly after the Covid-19 pandemic started.  We did this as a way to get products to wholesale customers with no shipping fee.  We basically will deliver your order on one of our trips to your area for free if the order is over $1000 and you are close to our route.  We will also deliver retail customers orders over $1000 if they don't want to utilizer our free shipping for whatever reason.  We currently only travel east of the Mississippi river and have 4 routes.
1.  New York/New England Area
2.  Ohio/Michigan/Illinois/Indiana Area
3.  Western virginia & NC/Tennessee/Alabama/Mississippi/Kentucky
4.  Maryland/Eastern Virginia & NC/SC/Georgia/Florida

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