A LITTLE PLANNING HELPS

Free UK Garden Calculators and Planners

Turn real measurements and carefully chosen dates into a more useful garden plan. Every tool explains its assumptions.

Choose a tool

Choose a month, region and growing environment to see cautious sowing, planting, harvestin.

See an approximate spring frost-risk period and suggested steps before moving tender plant.

Estimate when autumn frost could become a concern and plan plant protection before colder .

Work backwards from an intended outdoor planting date to plan a crop-specific indoor seed-.

Estimate how many plants fit in a rectangular garden bed using realistic spacing and usefu.

Measure the soil volume needed to fill a raised bed and convert the result into litres and.

Calculate a garden bed or border’s required mulch volume from measured area and intended d.

Estimate compost needed for a specified top-dressing depth or container fill, with litre a.

Convert a selected watering depth into litres for a known growing area, with prompts to ad.

Calculate the quantity of a named fertiliser product from its label application rate and t.

Browse plant combinations with realistic explanations of space use, pollinator attraction .

Estimate a likely harvest window using a selected crop, planting date and the crop’s state.

Calculate the area of common garden shapes to plan compost, mulch, planting and other gard.

Find a starting pot-size range for common vegetables and herbs, with drainage and spacing .

Plan crops and seasonal greenhouse tasks by month, UK region and greenhouse heating condit.