Espoma Holly-Tone Plant Food
Top Pick
Espoma

Espoma Holly-Tone Plant Food

4.7

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

In stock

at

Gardenanswer

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.

Excellent

Nutrient Release Consistency

Slow-release formula provides steady nourishment throughout the growing season.

Excellent

Microbial Soil Enrichment

Bio-tone microbes actively improve soil health and nutrient uptake efficiency.

Excellent

Application Convenience

Granular texture allows for straightforward, mess-free distribution around the drip line.

Excellent

Safety Profile

Organic composition ensures peace of mind for households with pets.

Excellent

Foliage Vitality Impact

Consistent use promotes noticeably deeper green leaves and more robust blooms.

Excellent

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

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Ask Metto anything about the Espoma Holly-Tone Plant Food before you decide.

Espoma Holly-Tone Plant Food

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