Clearly Sized
Particle size matters. We focus on substrate components described in useful grower terms, not vague mulch language.
Launching Soon
Honestly Sourced Premium Substrate Components for Serious Container Growers.
Starting with true 1/4" screened pine bark fines for bonsai, orchids, aroids, succulents, Japanese maples, and custom container mixes.
No dye. No added fertilizer. No mystery mulch.
Launch Product
1/4" Screened Pine Bark Fines
Not chunky orchid bark. Not dyed landscape mulch. This is a fine-screened pine bark component designed for growers who build their own mixes and care about particle size.
- Approx. 1/4" screened pine bark fines
- Natural bark-based substrate component
- No added fertilizer, compost, dye, or synthetic amendments
- Initial size: 4 dry quarts / 1 dry gallon
Why ContainerGrade
Built for growers tired of vague bags and inconsistent bark.
Honestly Labeled
No inflated claims, no mystery filler language, and no pretending chunky bark is the same as fine-screened substrate.
Ready to Blend
Use as a component in your own bonsai, orchid, aroid, succulent, or premium container mix recipes.
Suggested Uses
For custom mixes where structure matters.
Future Substrate Components
More components are planned after launch.
ContainerGrade Substrates is starting with pine bark fines, then expanding into other premium substrate ingredients.
Horticultural Pumice
Medium Orchid Bark
Horticultural Charcoal
Lava Rock
Coarse Perlite
Mix Kits
Early Access
Small-batch pine bark fines are coming soon.
Want first notice when 4 dry quart bags are available? Use our contact email for early access notification.
Contact
hello@containergradesubstrates.com
Email us if you'd like to get on the early access list and receive notification of first availability.