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Applying organic, elemental garden sulphur is a safe and effective way to lower soil pH. Sulphur is also an important soil nutrient for promoting disease resistance.
- Brings out blue color in hydrangeas, greens up azaleas and rhododendrons, and helps produce luscious blueberries
- All-natural, chemical free and low in salts — plants won't "burn"
- We recommend using the , sold separately, to test your soil before applying Garden Sulphur
- 5-lb. bag
 | 100% Organic for more Green Products |
Customers most agreed on the following attributes:
Comments about Soil Acidifier, 5 Lbs.:
I looked for just plain sulphur. This is advertised as "elemental sulphur" but is mostly gypsum. I used it anyway but am disgusted.
Comments about Soil Acidifier, 5 Lbs.:
Used this on my hydrangeas which had been pink and white. The next set of blooms came in a rich dark blue, darker blue than any hydrangeas I'd seen in our area! Impressive!
[1 of 1 customers found this review helpful]
from Warrenton, VA on 6/10/2009
Comments about Soil Acidifier, 5 Lbs.:
This is an easy organic way to correct soil for specific plants, in this case, blueberries.
[4 of 4 customers found this review helpful]
from Philadelphia, PA on 5/31/2009
Comments about Soil Acidifier, 5 Lbs.:
We sprinkled 2 cups of sulfur at the base of new blueberry bushes to acidify the soil. It was easy and safe to use. We were happy to find it at Gardener's Supply Company; we could not find it locally.
[0 of 1 customers found this review helpful]
from Alliance, OH on 7/13/2008
Comments about Soil Acidifier, 5 Lbs.:
I used the garden sulpher this past fall to pack my dahlia tubers for the winter. I did check on them every month over the winter to make sure that the tubers looked healthy and were not drying out. I had a very high success rate with over-wintering the tubers and I contribute that to the mixture of vermiculite with sulpher. I would recomment this to others to try.
[1 of 1 customers found this review helpful]
from Oswego, N.Y. on 7/11/2008
Comments about Soil Acidifier, 5 Lbs.:
Easy to use
[2 of 3 customers found this review helpful]
from San Diego, CA on 7/10/2008
Comments about Soil Acidifier, 5 Lbs.:
I used this to lower the soil pH for my seed potatoes. Seems to have worked very well since there was litle scab on the potatoes.