Plants & Garden
Watering calculators for houseplants, lawns, and vegetable gardens.
Most popular in Plants & Garden
Indoor Plant Watering
How much and how often to water houseplants — succulents, tropicals, leafy greens, and flowering pots.
Open calculatorLawn Watering Calculator
Weekly lawn irrigation target based on area, climate, and soil type — with per-session split.
Open calculatorVegetable Garden Water Calculator
Weekly irrigation for vegetable beds — accounts for growth stage, mulch, and climate.
Open calculatorExplore the full library
Hydrangea Watering Needs
Watering schedule for hydrangea — soil, sun, and season adjusted.
OpenRose Bush Watering Needs
Watering schedule for rose bush — soil, sun, and season adjusted.
OpenTulip Watering Needs
Watering schedule for tulip — soil, sun, and season adjusted.
OpenDaffodil Watering Needs
Watering schedule for daffodil — soil, sun, and season adjusted.
OpenSunflower Watering Needs
Watering schedule for sunflower — soil, sun, and season adjusted.
OpenHibiscus Watering Needs
Watering schedule for hibiscus — soil, sun, and season adjusted.
OpenJasmine Watering Needs
Watering schedule for jasmine — soil, sun, and season adjusted.
OpenGardenia Watering Needs
Watering schedule for gardenia — soil, sun, and season adjusted.
OpenAzalea Watering Needs
Watering schedule for azalea — soil, sun, and season adjusted.
OpenCamellia Watering Needs
Watering schedule for camellia — soil, sun, and season adjusted.
OpenLavender Watering Needs
Watering schedule for lavender — soil, sun, and season adjusted.
OpenMint Herb Watering Needs
Watering schedule for mint herb — soil, sun, and season adjusted.
OpenSimple, accurate, personalized
Pick your calculator
Choose the one that matches your situation from the grid above.
Enter a few details
Weight, activity, climate, species — takes under 30 seconds.
Get your target
A research-backed daily target plus an hourly schedule.
Learn the science behind plants & garden
Read our in-depth guides for research-backed context on every calculator here.