GrowActuary
← All tools

Grow Planner

Choose your date and plant type to see a harvest range and stage-by-stage plan.

Calculations run in your browser. Shared links include the plan settings.

Planning method
Plant type
Plan around drying completion
Your projected grow

Starting September 5, 2026

Planning harvest range—Expected —
Last drying day—Likely —
Suggested start—— days to harvest
Explore timing
Stage timelineExpected scenario
    ——
    Explore the calendar
    The full season

    Calendar

    GerminationSeedlingVegStretchFlowerDryCureHarvest window

    Tap a day to see its stage and calendar details.

    Add outdoor humidity context
    Outdoor context

    Historical relative humidity

    Compare the plan with each calendar day's 10-year average outdoor RH. Indoor conditions will differ.

    City lookup is optional. Your query is sent to Open-Meteo only when you use it.

    Historical weather by Open-Meteo

    Your plan settings
    01
    Adjust assumptions

    Shape your timeline

    General planning assumptions with an adjustable uncertainty window.

    Vegetativeweeks
    Flowerweeks
    Drydays

    Flower weeks here exclude the separate transition / stretch period. The planning range is an adjustable allowance, not a probability forecast. Drying includes harvest day; curing starts the following day.

    Advanced assumptions