MicroLife - Acidifier 6-2-4

Give your azaleas, roses, and other acid-loving plants the perfect boost with MicroLife Acidifier 6-2-4. Developed in collaboration with Bart Brechter, Garden Curator of Houston’s renowned Bayou Bend Gardens, this fertilizer is formulated to thrive in soils with a pH of 5.0–7.0. Packed with extra sulfur (12%) and humates, it helps lower pH, enhance nutrient uptake, and bring out vibrant blooms and lush foliage.

This premium blend contains over 100 minerals, vitamins, natural plant hormones, amino acids, and sugars—plus billions of beneficial microorganisms, including Endo & Ecto Mycorrhizal Fungi, for long-term soil and plant health. Safe for all life forms and 100% slow release, it won’t burn your plants and works equally well for ornamentals, turfgrass, and garden beds.

Key Benefits:

• Ideal for azaleas, roses, camellias, and other acid-loving plants

• Helps offset high pH and sodic irrigation water/soils

• Builds soil health with humates, beneficial microbes, and mycorrhizal fungi

• Improves plant vigor, bloom quality, and root strength

• 1% iron for deep green color and 12% sulfur to lower pH naturally

• Completely safe, non-burning, and slow release

Application Rates:

• Building beds/gardens: 40 lb per 1,000 sq ft, worked into soil

• Top dressing ornamentals/gardens: 20–40 lb per 1,000 sq ft; repeat every 3–4 months

• Turfgrass: 20 lb per 1,000 sq ft; repeat every 3–4 months