- Organic soil acidifier turns hydrangeas blue
- Use on potted plants, flowering plants, in the garden and more
- Lowers pH levels for acid-loving plants
- See More Details
Frequently Bought Together
Product Overview
- Espoma Organic Plant Food and Fertilizers
- Use as a soil amendment to lower the pH of alkaline soil
- Use to provide plants with sulfur to encourage growth and dark greening
- Use on hydrangeas to turn them from pink to blue
- Natural ingredients for organic gardening
- Low salt index helps prevent it from burning your plants
- Use for different types of lawn care
Info & Guides
Compare Similar Plant Food & Fertilizer
 | Top Rated |  | | |
| Brand | Espoma | Espoma | Kellogg Garden Organics | Espoma |
| Name | 6.75 lb. Organic Garden Lime | 6 lb. Organic Soil Acidifier | 11.5 lb. Organic Tomato Vegetable and Herb Fertilizer | 27 lbs. Organic Holly Tone Fertilizer |
| Price | ||||
| Ratings | (203) | (219) | (144) | (563) |
| Plant Type | Flower,Fruit,Garden,Herb,House,Shade,Shrub,Succulent,Tree,Vegetable | Shade,Shrub,Tree | House,Vegetable | Shade,Shrub,Tree |
| Plant Name | African violet,Apple,Bean,Bougainvillea,Cactus,Canna Lily,Carrot,Cherry,Coleus,Cucumbers,Daffodils,Eggplants,Fern,Fig,Forsythia,Geraniums,Gladiolus,Hyacinths,Lettuce,Maple,Melons,Onion,Orchid,Peach,Pear,Pepper,Philodendrons,Plum,Poinsettias,Rose,Tomato,Tulips,Woody Ornamentals | Azalea,Barberry,Blackberry,Bonsai,Camellia,Cypress,Dogwods,Evergreen,Gardenia,Holly,Hydrangea,Juniper,Potatoes,Raspberry,Rhododendron,Strawberries | Onion,Tomato | Azalea,Barberry,Blackberry,Bonsai,Camellia,Cypress,Dogwods,Evergreen,Gardenia,Holly,Hydrangea,Juniper,Potatoes,Raspberry,Rhododendron,Strawberries |
| Season Use | All-Season | All-Season | All-Season | Fall,Spring |
| Organic | Organic | Organic | Organic | Organic |
| View Product | View Product | View Product | View Product |
Compare Similar Plant Food & Fertilizer
| Top Rated | | | |
| Brand | Espoma | Espoma | Kellogg Garden Organics | Espoma |
| Name | 6.75 lb. Organic Garden Lime | 6 lb. Organic Soil Acidifier | 11.5 lb. Organic Tomato Vegetable and Herb Fertilizer | 27 lbs. Organic Holly Tone Fertilizer |
| Price | ||||
| Ratings | (203) | (219) | (144) | (563) |
| Plant Type | ||||
| Plant Name | ||||
| Season Use | ||||
| Organic | ||||
| View Product | View Product | View Product | View Product |
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Questions & Answers
I have clay dirt under my lawn but I want to plant Lavender, will this help if I use pea gravel f...
Asked by Justwondern May 4, 2021You want to correct the issue with clay first by mixing products like peat moss to break up clay along with tilting the soil. Once the issue is resolved, you can use this product as long as lavender calls for acidic soil
Can I use for strawberry and raspberry?
Asked by Momzy April 22, 2021Thank you for your question. Yes, you can use Espoma Soil Acidifier on strawberries and raspberries.
How much do I need for a 50x50 garden
Asked by Archie November 22, 2020Thank you for your question. Please see the following for a broadcast rate or use as a fertilizer. Broadcast Rate: Apply 12 lbs. per 100 sq. ft. for each one point reduction in soil pH desired. For heavy clay soils increase rate to 15 lbs. Gradual reduction in soil pH is preferred as dramatic reduction can result in stress. As a Fertilizer: Apply 1/2 cup per 100 square feet (1 tablespoon per plant) around the root zone
I have couple of potted blueberries and the plants are struggling because of the low soil PH (aro...
Asked by Sam November 3, 2020Thank you all for your feedback. our city water has probably a lot of chlorine in it (from how it smells). I keep the water in a bucket for a day before watering the plant and I add a little of apple vinegar to the water as well. I will try dissolving this soil acidifier in water before adding. Any how for all others trying to lower soil PH, do not waste your money with Peat Moss. Did anybody tried using Aluminum Sulfate along with this soil acidifier?
New growth on my Anna apple tree always shows what I think to be iron deficiency. I've treated it...
Asked by Lulu October 9, 2020If your chlorosis is related to alkalinity it could help. The acidifier may allow the tree to more easily access the nutrients it needs. Just before the leaves turn color and fall is maybe not the best time to tell if it works or not
Is this made from chicken manure? It smells like it is.
Asked by Chickenpewper October 5, 2020Thank you for your question. No, Espoma Soil Acidifier is not made from chicken manure.
can i use this on my lawn to reduce alkaline levels
Asked by v1 August 7, 2020Yes, but you would need a ton of it
I used this on my potted blueberries 1 week ago and the PH is still 8! Should I use it again?
Asked by Mamab603 August 1, 2020Hi Mamab603, You need to repot your blueberries. If you recently planted them. Dump everything out, open up the root mass from the bottom and replant using pine bark or soil conditioner and peat moss. If you have available, you also can use Douglas fir sawdust. Use no compost under or around plants. If the plants are older. Carefully dig out the plants. Dump out most of the material and use the above ingredients. Your PH is way out of line. Hopefully your meter is not faulty. You are looking for ph 4.5-5.5... You will not be able change from ph 8 to ph 4.5. It would take years to make that kind of adjustment. Good luck
Can this be used for vegetables??
Asked by Binu July 18, 2020Yes, but be careful most vegetables do not like acidic soil, and it may affect calcium levels, but I am not sure.
Has anyone used this on pepper and curry leaf plants since they love acidic soil too? What is the...
Asked by WinterizerPlusLeaves July 13, 2020Thank you for your question. Yes, Espoma Soil Acidifier is ideal on all ‘acid-loving’ plants. For Container plants, apply one tablespoon for each 4” of pot diameter.
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