• Volcanic topsoil

  • Black cinder

  • Cured compost

  • Biochar

  • HVO base blend

  • Mycorrhizae (AMF)

  • Dolomite / sulfur

  • Kelp & K-Mag

  • Trace minerals

Popular East Hawaii plants

Grouped by what changes the recipe: target pH, phosphorus tolerance, feeding intensity, moisture, drainage needs, and long-term soil health.

  • TROPICAL STANDARD

    Avacado

    Wide, shallow feeder roots and a hatred of wet feet. This blend leans on black cinder for drainage and compost for steady organic matter.

    View custom mix 
  • TROPICAL STANDARD

    Citruc

    Lemons, limes, oranges, tangerines. A balanced tropical blend at a mild pH with strong drainage and full trace minerals.

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  • TROPICAL STANDARD

    Cacao

    Shade-loving and hungry for organic matter. Compost-rich with biochar to hold moisture in the root zone.

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  • TROPICAL STANDARD

    Rambutan

    A Puna favorite. A warm, free-draining tropical blend with the micros rambutan needs to set fruit.

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  • TROPICAL STANDARD

    Papaya

    Fast, hungry, and fussy about drainage. This mix drains hard and feeds steady so roots never sit wet.

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  • ACID-LOVER

    Coffee

    An acid-lover. We drop the dolomite and add sulfur to hold the lower pH coffee wants.

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  • ACID-Lover

    Lychee

    Acid-loving and slow to establish. Lower pH, available iron, and sharp drainage for the wet side.

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  • ACID-LOVER

    Longan

    Lychee's cousin with the same low-pH needs. Sulfur-adjusted with strong drainage and trace minerals.

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  • PROTEACEAE / LOW-P

    Macadamia

    A special case. No mycorrhizae and no concentrated phosphorus, tuned lean and slightly acid the way its roots prefer.

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  • HEAVY FEEDER

    Banana

    A heavy feeder that drinks. Extra compost, added potassium, and biochar to hold moisture and feed.

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  • PROTEACEAE / LOW-P

    Ginger & Turmeric

    Root crops that want loose, rich, moisture-holding ground. Compost-forward with potassium for rhizome fill.

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  • PALM

    Coconut & Palms

    Palms show hunger as leaf spotting. This blend emphasizes potassium, magnesium, manganese, and boron.

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  • LEAN / CACTUS

    Dragon Fruit

    A cactus at heart. Sharp, lean, and fast-draining with extra pumice and a near-neutral pH.

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  • SPECIAL

    Taro / Kalo

    Wants the opposite of a tree mix: moisture-holding and organic-rich, with cinder pulled back and coir added.

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  • SPECIAL

    Raised Bed Vegetables

    An all-purpose garden blend, compost-forward and balanced for mixed beds and salad crops.

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Why Hawaii's Volcanic Soil Creates Stronger Plants

The Big Island is unlike anywhere else. Our soil begins with nutrient-rich volcanic material, then we carefully blend black cinder, cured compost, biochar, beneficial microbes, and essential minerals to match your growing conditions. Every custom mix is designed to improve drainage, strengthen root systems, and support healthy growth in East Hawaii's unique climate.

What Makes Our Blends Different

  • Volcanic mineral-rich foundation
  • Better drainage for heavy rainfall
  • Organic matter that feeds the soil naturally
  • Biochar for long-lasting moisture retention
  • Custom pH adjustment for specific crops
  • Professionally blended for local conditions
  • Step 1

    Premium volcanic topsoil forms the nutrient-rich foundation.

  • Step 2

    Black cinder improves aeration and drainage.

  • Step 3

    Organic compost supplies natural nutrients.

  • Step 4

    Biochar and beneficial fungi improve long-term soil health.

  • Step 5

    Minerals are added only where your plants need them.

Growing something not on the list?

We blend to order from what we stock and what we bring in bulk from Hilo. Tell us the plant and the site, and we will spec a mix.