Down to Earth Acid Mix 5 LB
Best nutrient blend for gardeners growing acid-loving plants.
Nourish your acid-loving plants with Down to Earth Acid Mix. This 4-3-6 NPK fertilizer is specially formulated to maintain low soil pH, ideal for blueberries, rhododendrons, azaleas, and evergreens. It promotes robust vegetative growth in spring, encourages lush flowers and fruit when blooms emerge, and supports strong root development in the fall. This blend also enhances plant resistance to winter cold, ensuring year-round health and vitality for your cherished garden varieties.
$14.15
Owner Satisfaction
4.7
/ 5
Category Rank
50
/ 4425
#50 in Fertilizers
Price vs Category Average
-77%
Below average
Nitrogen
4.0
/ %
Who it's for
- Gardeners growing acid-loving plants like blueberries and rhododendrons
- Organic growers prioritizing soil health and certified inputs
- Plant owners seeking steady growth without risking nutrient burn
Who should skip it
- Impatient gardeners needing immediate soil pH correction
- Urban gardeners sensitive to garden odors or pest activity
- Budget-conscious growers comparing costs against synthetic alternatives
Performance breakdown
pH Acidification
Expertly maintains the low soil acidity required for thriving ericaceous plants.
Nutrient Balance
The 4-3-6 NPK ratio perfectly supports both vegetative growth and fruiting.
Application Versatility
Effective for both spring growth spurts and essential fall root development.
Cold Hardiness Support
Strengthens plant resilience against harsh winter temperatures and environmental stress.
Granular Consistency
Easy to distribute evenly across garden beds for consistent nutrient uptake.
Targeted Formulation
Specifically engineered to meet the unique physiological needs of acid-loving varieties.
Key Specs
Nitrogen
4.0%
Phosphorus
3.0%
Potassium
6.0%
Fertilizer Source
Mineral Based
Fertilizer Form
Granular
Package Weight
5 lbs
Water Soluble
No
Organic Certified
No
Features
- Maintains optimal low soil pH
- Boosts flower and fruit production
- Promotes strong root growth
- Enhances winter cold resistance
- Ideal for acid-loving plants
- Supports spring and fall applications
What customers say
Customers highly value the Down to Earth Acid Mix for its superior results with acid loving plants. The core theme is effectiveness, evidenced by significantly improved foliage color and robust flowering and fruiting in plants like blueberries and hydrangeas. Gardeners appreciate the organic, slow release composition, viewing it as a reliable, natural alternative to chemicals. Application is simple due to the granular form. While the natural odor and initial cost are sometimes mentioned, the consensus confirms that the long lasting, vibrant results and the peace of mind from using an OMRI listed product make this mix an essential investment for maintaining healthy, colorful landscapes.
Know before you buy
This fertilizer is specifically formulated for acid-loving plants that thrive in lower pH soil. It is ideal for blueberries, rhododendrons, azaleas, hydrangeas, and various evergreen shrubs.
Yes, the granular form is suitable for both in-ground and container-grown acid-loving plants. Ensure you mix it thoroughly into the top layer of soil or potting medium for the best results.
No, this is a granular, mineral-based fertilizer that is not water-soluble. It is designed to be applied directly to the soil where it will break down gradually to provide nutrients over time.
For optimal results, apply in the spring to support vegetative growth and again in the fall to encourage strong root development and improve winter cold resistance.
Yes, the formulation is specifically designed to maintain or help lower soil pH. It is an effective choice if your soil tests indicate that your plants need a more acidic environment to thrive.
Still have a question?
Ask Hayley anything about this product before you decide.