• Supergreen Soil Acidifier
  • Supergreen Fertilizer Soil Acidifier

Soil Acidifier

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Supergreen® Soil Acidifier acidifies the soil making growing conditions more desirable for acid loving plants. Use on blue hydrangeas, blueberries, azaleas, and acid-loving trees / shrubs. Also, an essential plant nutrient, sulphur aids seed formation, and the maintenance of dark green foliage.

Available sizes:

Weight: 1.1 kg

Single plant: apply 100 g (3.5 oz) around each plant in early spring. Work well into the soil. Repeat application once more in the fall.

Broadcast: To reduce pH by one point, apply to soil at the following rates:


Soil Type kg per 10 m2 lb per 100 ft2
Sand ¾
Sandy loam ¾ 1.5
Loam 1 2.25

Higher rates will be required on fine-textured clay soils and soils with a pH of ≥ 7.3.

Do not exceed label application rates. Lowering the pH below 5 may cause plant nutrient deficiencies.

  • Sulphur (S)90 %

Causes skin irritation. Wash hands thoroughly after handling. Wear protective gloves. IF ON SKIN: wash with soap and plenty of water. If skin irritation occurs, get medical advice/attention. Take off contaminated clothing and wash it before reuse.