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Three targeted microbial formulas, three growth stages — a unified system built on published cannabis research. Dry, shelf-stable, no cold chain.
Most "cannabis" inoculants are crop-generic PGPR with a new label. Ours aren't. Every strain we use is validated in published PGPR and cannabis research — root colonization, bulking-phase biology, late-flower defense — with strain selection informed by studies on cannabis itself where the data exists.
The rhizosphere is where the real work happens — Bacillus subtilis ISR signaling, Trichoderma harzianum root colonization, B. megaterium IAA-auxin production, and P-solubilization that unlocks fertilizer your plant can actually use.
Each pouch vacuum-sealed, dry, ready to mix into your reservoir or apply as foliar. Same pouch format. Same dosing. Different microbe blend for every growth phase.

Four strains selected for root development, rapid colonization, and early-growth nutrient uptake support. The highest CFU load in our lineup.

Six-strain consortium designed around flowering-stage biology — P-solubilization support, ISR signaling, and nutrient mobilization during the bulking window. Built on published research into Bacillus activity during the reproductive stage.

Six-strain late-flower formula built around T. harzianum and Bacillus species studied for their role in plant immunity and jasmonic-acid signaling — the same biochemical pathway plants use to produce terpenes. Designed to support that biology through the final weeks of flower.
Direct-to-grower channel · Samples and wholesale inquiries welcome
Follow the Bonsai Complete system from transplant to late flower. One pack per phase. No guesswork.
Accelerate root development, colonize the rhizosphere, establish nutrient uptake. This is first contact — heaviest inoculation where it matters most.
Internodal development, bud site formation, P-solubilization through the bulking phase. Strong plant health support during flowering.
Late-flower plant biology support. Strain blend built around species studied for their role in the jasmonic-acid pathway — the signaling plants use to produce terpenes. Applied during the weeks when terpene development peaks.
Stop microbial application. Your plants harvest the colonization you built over 8 weeks of the Bonsai system.
This market is the hardest it's been in a decade. Wholesale prices cut in half. Input costs climbing every quarter. Most "cannabis" products on the shelf are crop-generic PGPR with a new label — formulated somewhere else entirely, never validated on cannabis biology, sold by companies that have never flipped a plant in a real flower room.
Bonsai is the opposite. Every strain in every pouch was chosen from published research — cannabis studies where they exist, PGPR literature where the mechanism applies. Every dose is priced so real growers can actually afford to run it. Every formulation decision is made by a grower still in the rooms with you — not a marketing team, not a distributor, not someone who's never flipped a plant in their life.
Made in Canada. Made for this market. Made for the growers who built it.
Cannabis microbial inoculants haven't changed in 15 years. We built the category's first legitimate upgrade.
Not marketing. Not anecdote. Real published data on Trichoderma harzianum and Bacillus spp. performance in cannabis cultivation.
We continuously track research-backed cannabis microbial research from the labs that actually study this plant — Punja (SFU), Backer (McGill), Frontiers in Plant Science, MDPI Plants, World Journal of Microbiology, and ongoing studies from active cannabis research groups. Every strain decision traces back to current published science, not marketing claims from 1995 — and our formulas update as new findings emerge.
Browse The ResearchSimple application across any grow style — soil drench or reservoir addition. One pouch treats 1,000L.
Pour pouch into 5–10L water at pH 6.4–6.6. Stir gently until fully dissolved.
Let sit 15–30 min. Our germination-activation chemistry wakes the spores so more live microbes hit the root zone.
Add your fertilizer to the reservoir first, then pH-adjust the final water.
Add microbes last. Apply as soil drench, reservoir addition, or foliar (lights off).
Bonsai Nutrients was founded on the west coast of British Columbia, Canada — by craft growers, for craft growers. We're cultivators who got tired of watching the same companies sell repackaged generic blends at premium prices while growers did all the real work.
We built Bonsai for the growers chasing real terpene output, real resin quality, real flower density. Every formula was born in a grow room, tested on real plants, refined on real harvest results — built around cannabis biology, not marketing ambition.
Every Bonsai formula evolves with the science — peer-reviewed cannabis research, our own grow-room trials, new evidence as it emerges. You're not buying last year's science. You're buying this year's.
Message us for bulk orders, craft-grower samples, retailer inquiries, or product questions. Every message gets a personal reply within 24 hours.
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