Our Science
We’re a team of plant people united by the crazy idea that good soil can change the world.
It’s why we’ve set out to create the highest quality products with the lowest possible environmental footprint.
Where’s the Peat? Not in Our Soil. Ever.
Most potting mixes use peat moss — a material that’s mined from fragile wetlands and releases massive amounts of carbon into the atmosphere. Once it’s gone, it takes thousands of years to grow back.
We think that’s unacceptable.
That’s why Rosy Soil is 100% peat-free — and always will be. We’ve designed our blends to be better for your plants and the planet, using ingredients that restore the Earth instead of stripping it.
Our MissionWhat We Use Instead
Biochar
Boosts drainage, retains nutrients, creates habitat for microbes, and captures CO₂ for centuries.
Worm Castings
Add beneficial bacteria, enzymes, and growth-boosting compounds.
Mycorrhizae
Helps roots absorb more water and nutrients by extending their reach.
Compost
Feeds plants and microbes with organic matter and natural nutrients.
Built by Scientists. Loved by Plants.
We’re not just mixing dirt in a bucket. Rosy was developed with thousands of trials and led by Justin “Jules” Giuliano, an award-winning organic farmer and regenerative agriculture expert.
Jules studied at the Rodale Institute, won a Cannabis Cup for his cultivation work, and managed an urban farm before becoming Rosy’s Lead Soil Researcher. Now, he works with our scientific advisory board to ensure every blend we make supports healthy roots, lush growth, and long-term soil life.
Our Science Advisory Board
Research Director, Ph.D. in Viticulture, Enology, and Marketing from The University of Padova
Biochar Researcher, M.S. in Biological Systems Engineering from University of Wisconsin-Madison
Regenerative Agriculture Professor + Researcher
Founder and Creative Director of We Bite Rare & Unusual Plants
Biochar Researcher, Inventor, and Founding Board Member of the US Biochar Initiative
Certified Ecological Horticulturist and Agroecologist
Ph.D. in Agronomy from Kansas State University
Research Director, Ph.D. in Viticulture, Enology, and Marketing from The University of Padova
Biochar Researcher, M.S. in Biological Systems Engineering from University of Wisconsin-Madison
Regenerative Agriculture Professor + Researcher
Founder and Creative Director of We Bite Rare & Unusual Plants
Biochar Researcher, Inventor, and Founding Board Member of the US Biochar Initiative
Certified Ecological Horticulturist and Agroecologist
Ph.D. in Agronomy from Kansas State University