Automate Your Indoor Grow. Sleep Through the Night.
OpenGrowBox connects lights, climate, and irrigation to Home Assistant — then layers on VPD control, StrainDB genetics, and AI optimization. Start free, scale when you need it.
No credit card required • Open-source integration • Self-hostable
What's Next in 2026
"I selected my strain and the system automatically configured everything. Breeder specs built right in!"
"I selected my strain and the system automatically configured everything. Breeder specs built right in!"
2027
Phase 3: Strain Database & SOPs
May-Jun 2026 - Knowledge
Key Metrics
What You Get
- Comprehensive strain database
- Breeder-recommended settings
- Phase-specific VPD targets
- Nutrient schedule templates
Your Benefits
- No more guessing optimal settings
- Strain-specific optimization
- Community-verified growing protocols
Features
Discover the powerful capabilities of OpenGrowBox, designed to optimize your growing experience.
Home Assistant
Seamless integration with Home Assistant – supports all common device types.
Sensor Integration
Flexible extension with sensors for temperature, humidity, CO₂, and more.
Automation
Intelligent control of climate, light, and ventilation – fully automated.
Web Interface & UI
Modern, intuitive web UI with options for custom extensions.
Full Data Sovereignty
Complete control and transparency over your data and processes – no cloud required.
Global Access
Secure cloud integration with full control and transparency over your data in Premium.
Strain Database
Access the OGB strain database with over 40,000 strains and their optimal conditions, based on cultivation data from growers.
One-Click Setup
Select your plant and start with one click – all parameters are automatically configured optimally.
AI Control
Live insights into automated decisions made by our integrated AI.
Ready to upgrade your grow?
Choose a plan that fits your needs and unlock premium features
Grow with confidence
Expert support at every step
From fast support to expert setup to custom features — we handle the complexity so you can focus on growing.
Fast Support
Stuck at 2 AM? Our team helps with setup, tuning, and troubleshooting — so you never waste a grow cycle.
Done-for-You Setup
Skip the configuration maze. We install and calibrate your hardware and software so your grow room is productive from day one.
Custom Builds
Need a feature nobody else has? We build custom integrations, automations, and dashboards tailored to your exact workflow.
Have a bigger vision?
Tell us what you need. We'll map out a custom solution — no commitment required.
Start a conversationBacked by
industry leaders
The brands growers trust share our mission: smarter automation, full transparency, open-source innovation.
Partner with us
Reach thousands of active growers and shape the future of automated cultivation through sponsorship, technical collaboration, strategic partnerships.
Partner with us
Or support directly
Every donation helps keep the core platform free.
