Mayer Materials
Thriving tomato plants heavy with ripe tomatoes in a sunny greenhouse

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Living soils for specialty growers.

Our specialty blends are living soils, alive with the beneficial bacteria and fungi that feed heavy-feeding crops. Built on cold brew coffee compost and premium ingredients, never fillers.

The Mayer difference

Why specialty growers choose us.

  • Built on Cold Brew Coffee Compost

    Every blend starts with our signature coffee compost, rich in beneficial microbes, gentle acidity, and the trace minerals heavy crops pull from the soil.

  • Living Soils, Never Fillers

    Premium ingredients only, alive with the bacteria and fungi that keep feeding the plant. We never cut our soils with fillers.

  • Built for Heavy Feeders

    Peace Pipe Potting super soil and Comanche Coco are made for vigorous growth, demanding crops, and transplants.

  • Teas for Every Stage of the Grow

    Twisted Toad Teas carry you through: Root Rage for early roots, Medicinal Herb & Vegging for vegetative growth, and Fire Flower & Fruiting for flower and fruit.

What to use

Recommended for specialty growers.

Find these at local stores and online, or reach out about larger orders.

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Comanche Compost

Super soils, coco & Twisted Toad Teas

Peace Pipe Potting super soil, Comanche Coco for transplants, and Twisted Toad Teas to feed every stage of the grow.

Explore Comanche Compost
GeoJava

Java Potting & Java Perk

Coffee-compost potting mix and a controlled-release coffee plant food for serious growers.

Explore GeoJava

Good to know

Specialty growing questions, answered.

What makes a living soil?

It is alive with beneficial bacteria and fungi, fed by our cold brew coffee compost, so nutrients keep cycling to the plant.

Do you have soils for heavy feeders?

Yes. Peace Pipe Potting super soil and Comanche Coco are built for vigorous, heavy-feeding crops and transplants.

Do you offer compost teas?

Twisted Toad Teas include Root Rage for roots, plus stage-specific feeds for vegetative growth and flowering.

Which tea do I use and when?

Root Rage to drive early root growth, Medicinal Herb & Vegging through the vegetative stage, and Fire Flower & Fruiting for flower and fruit formation.