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Grosafe FreeFlo Copper - Broad-spectrum fungicide for black spot, mildew, leaf spot - 100gm

$14.00 NZD

Copper is a popular broad-spectrum fungicide used to treat a wide range of fungal and bacterial diseases including black spot, downy mildew and leaf spot. Copper is also a micronutrient essential for plants.

This is for the 100gm Grosafe FreeFlo Copper granules, which makes up to 50 litres. Measuring cup included.


Why is Grosafe Copper superior to other copper treatments?


Grosafe FreeFlo Copper is an organic copper hydroxide in the form of water-dispersible granules, making it rain-fast and more efficient due to the fine particle size, as well as more bioavailable for better protection from both fungal and bacterial pathogens (pathogens are bacteria, viruses, or other microorganisms that can cause disease). Grosafe's Copper also means less elemental copper for better environmental protection. Certified input for Organics. 

How does it work?

The copper crystals adhere to the leaf surface and continuously release free copper ions, creating a protective barrier that prevents infection. With Grosafe's average particle size a tiny 1.711 microns (compared to copper competitors which average around 7  microns), Grosafe FreeFlo Copper provides better coverage, better staying power as well as making it easier to mix with virtually no dust plus better suspension in water for problem-free prep and spraying.

How to mix and apply Grosafe FreeFlo Copper

Half-fill the spray tank with water. Slowly add the required amount of FreeFlo Copper, stirring well as you go. Top up with water and spray. The measuring cap (included), has marked lines (filled to the top it's equal to 11grams).

For Roses and ornamentals, to treat diseases such as black spot, leaf spot and mildew, use at the rate of 20 grams per 10 litres

Apply at bud burst on flowering plants, and green tip (around September), leaf fall (around May), and during winter dormancy.

Spray to cover foliage well. Can be used by itself, however for best results, use with a compatible spreader such as EcoSpread to reduce beading, increase coverage and ensure better distribution, especially during difficult weather such as hot and dry conditions.

You can download the safety data sheet here (at the bottom of that page on the Grosafe website) 

Customer Reviews

Based on 1 review
steve moore
Hi , this is an awesome business .Well worth your support

The free flow copper is a great product .I recommend this business

Shipping and Delivery FAQ's


 is FREE for all orders over $99. For orders under $99: Auckland Standard $5, signature required is $7 or rural is $9. The rest of the North Island and the South Island: Standard $7, signature required is $9, or rural is $11. Plants and fragile or oversize products have their own rates (worked out in the cart based on your order). 


Stock levels are live. Everything showing in stock online, is in stock right here, right now, in Auckland NZ, ready to ship. No drop shipping from other countries. No delays.



Orders ship every week-day, Monday to Friday. Orders placed before 7pm Monday to Thursday leave the next morning. Zoom zoom! Fri, Sat & Sun orders leave Monday (or the next working day).



Normal delivery is 1 to 2 working days. Rural and some regions can take a day or 2 longer, depending on where you're based (I'm based in Auckland). 

More about shipping and delivery > 



"Anna was brilliant. Order placed and sent the next day. Received in awesome packaging. Couldn’t ask for more... will definitely use you again and again and again. Highly recommend." Scott Guthrie 

"I can’t recommend love that leaf highly enough. I’ve bought a couple of times so far and on both occasions Anna has been more helpful than I could possibly wish for. 5 stars! Don’t hesitate to order from Love That Leaf. Excellent service and super fast delivery." Rob Gordon

Why choose to buy from Love That Leaf?


When you buy from me you're supporting a local, small, family business. Love That Leaf is a registered NZ business, based in Auckland. 


You'll also get your goodies super fast. Everything showing in stock on the website is right here, in stock, ready to ship to you. I ship daily, Monday to Friday. Your order will be normally be on the courier the same or next working day. Zoom zoom!


I stand by everything I sell and will always help put right anything that goes wrong. When you choose to buy from a registered NZ business (like me), you're also covered by the Consumer Guarantees Act, unlike overseas purchases or private sales, where you can end up stuck with no rights if anything arrives damaged or stops working.


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"Super impressed with this business. Something that is lost nowadays, is customer service. This however is not the case with Anna from Love that Leaf. Very happy with my purchase, very happy with the product information provided and very happy with the quick shipping and great packaging. Thanks!" Melayna Anderson

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