Espoma Holly-Tone Plant Food
Best organic fertilizer for gardeners growing acid-loving plants.
This is the gold standard for acid-loving plants that struggle in neutral soil. By balancing essential nutrients with soil-acidifying sulfur, it takes the guesswork out of feeding finicky rhododendrons and hydrangeas. You sacrifice the convenience of a quick-acting liquid for a slow-release formula that actually builds long-term soil health.
$13.99
at
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Who it's for
- Busy gardeners preferring low-maintenance feeding schedules
- Gardeners growing acid-loving plants in alkaline soil
- Eco-conscious homeowners with pets or small children
Who should skip it
- Budget-focused gardeners maintaining large-scale landscapes
- Sensitive noses bothered by strong, lingering natural scents
- Gardeners needing rapid growth for severely nutrient-deficient plants
Performance breakdown
Soil Acidification Efficacy
Elemental sulfur content reliably lowers pH for acid-loving plant success.
Nutrient Release Consistency
Slow-release formula provides steady nourishment throughout the growing season.
Microbial Soil Enrichment
Bio-tone microbes actively improve soil health and nutrient uptake efficiency.
Application Convenience
Granular texture allows for straightforward, mess-free distribution around the drip line.
Safety Profile
Organic composition ensures peace of mind for households with pets.
Foliage Vitality Impact
Consistent use promotes noticeably deeper green leaves and more robust blooms.
Key Specs
NPK Ratio
4-3-4
Fertilizer Type
Natural Evergreen & Azalea Food
Form
Granules
Release Type
Slow Release
Container Weight
18 lb
Organic Certified
Yes
Season of Application
Spring, Fall
Target Plant Type
Acid-Loving Plants, Trees and Shrubs
Application Method
Sprinkle around drip line and water thoroughly. For trees, dig holes around the drip line, divide fertilizer among holes, backfill, and water.
Nitrogen Percentage
4%
Know before you buy
Still have a question?
Ask Metto anything about the Espoma Holly-Tone Plant Food before you decide.