Fifteen practical tools for the balcony garden: calculations, filters and reference tables for light, water, substrate, density and protection, designed to be used while you plan the balcony or care for the pots.
All the tools run directly in the browser: the values you enter are not sent to any server and are not saved. No account, no installation.
Planning and season
Sowing and transplant windows, succession and crop rotation.
Sowing and transplanting calendar
Crop succession
Rotation in containers
Light and exposure
To read the sun on your balcony and size the pots.
Sun exposure and hours assessor
Pot size and depth
Water and substrate
To water and set up the compost without waterlogging.
Guideline irrigation
Soil volume
Substrate and drainage
Space and companion planting
To guide density, compatibility and vertical space.
Density and plants per container
Compatibility and companion growing
Vertical space, supports and stakes
Care and protection
Cautious fertilising, weather protection, problems and weight estimate.
Cautious fertilisation
Protection from heat, cold and wind
Guide to problems, pests and diseases
Overall weight estimate
The calculations are based on container-horticulture parameters and best practice: they are orientation tools, not mandatory standards. The profiles in the Plants section carry the full data for each plant.