Espoma OG Holly Tone

Espoma Organic Holly-tone

Complete Organic Fertilizer for Acid-Loving Plants

Espoma Organic Holly-tone is a time-tested, natural fertilizer specially formulated for acid-loving trees, shrubs, and perennials. With an NPK of 4-3-4 and a blend of slow-release organic nutrients, beneficial microbes, and humates, Holly-tone promotes deep green foliage, vigorous root systems, and long-term soil vitality.

Perfect for blueberries, hollies, azaleas, rhododendrons, camellias, hydrangeas, and evergreens, this fertilizer is also widely used in orchard understories and perennial beds where soil acidification and microbial stimulation are desired.

Key Characteristics

• Custom Blend for Acid-Loving Plants
  Holly-tone is formulated to meet the nutritional needs of plants that prefer lower soil pH. It encourages vibrant foliage and strong root growth without the risk of overfeeding or salt buildup"-especially important for blueberries, rhododendrons, and evergreen shrubs.

• Slow-Release Organic Nutrients with Microbial Support
  Contains feather meal, poultry manure, bone meal, greensand, and sulfate of potash"-all released gradually to feed plants over time. Enriched with Espoma's Bio-tone- microbes to enhance nutrient uptake and support healthy soil biology.

• How to Use in the Garden and Landscape

  • Shrubs: Apply 1"-2 cups per plant depending on size, in early spring and again in late summer.

  • Trees: Use 1 lb per inch of trunk diameter around the drip line.

  • Blueberries & small fruits: Apply 1 cup per plant in early spring and reapply in late spring.

  • New plantings: Mix into the soil at planting time to establish healthy roots.

• Improves Soil Health for Long-Term Fertility
  Builds organic matter, supports microbial life, and helps maintain appropriate soil acidity. Beneficial in perennial guilds, food forest edges, and understory zones where acid-loving species form the backbone of a layered planting.

• Best For These Plants and Systems

  • Blueberries, cranberries, lingonberries

  • Azaleas, rhododendrons, camellias

  • Holly, dogwood, hydrangea (especially blue varieties)

  • Evergreens like spruce, fir, pine, hemlock

  • Acid-adapted perennials in orchard borders and woodland gardens

Product Details

• Type: Organic granular fertilizer

• NPK: 4-3-4

• Formulation: Plant- and mineral-based nutrients with Bio-tone- beneficial microbes

• Best For: Acid-loving plants, shrubs, trees, and small fruits

• Use Timing: Spring and fall, or during transplanting

• Application Rate: 1"-2 cups per shrub, 1 lb/inch trunk diameter for trees, 1 cup for small fruits

• Soil Benefit: Builds microbial life, supports pH balance, improves nutrient cycling

• Certifications: OMRI-listed for organic gardening

• Packaging: Available in 4 lb, 8 lb, and larger sizes

Espoma Organic Holly-tone is a dependable, biologically rich fertilizer trusted by growers for decades. Whether you're tending blueberries, feeding foundation shrubs, or balancing your woodland food forest, Holly-tone delivers lasting fertility and thriving plants.