
Graswiese: Cannabis Community
Grow journal, strains & chat
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Free
In-App Purchases
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About
Graswiese is a cannabis community from Germany with a grow journal, a strain database and grow calculators. Free, for adults aged 18 and over.
Your grow journal
Set up environments and plants and document every grow: photos, readings with the time of day, stages from seedling to harvest, notes. Your logs turn into charts for climate, growth, pH and EC. Plan tasks such as watering or feeding once and the app reminds you, for several plants at a time if you like. Inventory, equipment and your own strains have their place, and QR cards on the pot lead straight to the right entry.
Community
Read along in public grow journals to see how other growers do it, and follow them. Share posts with photos, videos and music, comment, ask questions about your journal and get answers from the community. Chat one-on-one or in groups, with pictures, voice messages and polls.
Strains
The strain database shows each strain as a data sheet: genetics and lineage, terpenes, cannabinoid ranges, lab results, flowering time and growing notes. Reviews and photos from the community add real grow experience. Reports on effects and aroma are subjective experiences, not medical claims.
Grow calculators
VPD, light and DLI, nutrient solution and EC/ppm, pot and substrate, harvest window, drying, electricity costs, units, noise level and sun position. The light meter uses the sensor in your phone. With Grow Pro you connect Bluetooth sensors, and temperature and humidity go straight into your journal.
Your data
The Growlog also works without an account, entirely on your device. Syncing with your account is optional and can be paused at any time. Usage statistics work without identifiers and without cookies.
Grow Pro
Grow Pro is an optional subscription for the Growlog:
- Grow together: share environments or plants with others, view only or with editing
- Journal as a PDF
- Unlimited environments instead of one
- Version history for all Growlog objects
- Connected sensors: Bluetooth thermo-hygrometers record automatically while the app is open
Grow Pro is available monthly or yearly. In Germany it costs €4.99 per month or €49.99 per year; in other countries the price shown in the store applies. The first 14 days are free, once per account. The subscription renews automatically unless you cancel it at least 24 hours before the end of the current period. Payment is charged to your Apple account, where you can also manage and cancel the subscription. After Grow Pro ends, your Growlog data stays; surplus environments are locked, not deleted.
Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/
Terms and Conditions: https://graswiese.de/en/legal/terms
Privacy Policy: https://graswiese.de/en/legal/privacy
Please note: Graswiese is for adults aged 18 and over only. Cannabis cannot be bought in the app. The app serves information and exchange within the laws that apply where you live.
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What's New in Graswiese
2026.19.0
October 23, 2026
New: dark mode – light, dark or automatic with your system (Settings → Appearance). The grow journal has a new header: photo collage, strain, setup, products and charts at a glance. Entries are grouped by grow week, sensor readings appear in a strip for each week, and the PDF now includes 24-hour charts. Plus smaller improvements and bug fixes.
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Subscriptions & In-App Purchases
Grow Pro - monthly
Unlimited environments, history & sharing
$5.991 Month
14 Days trial








