Light Calculator
Different rooms in a British home catch wildly different light. A south-facing lounge in summer delivers ten times the lux of a north-facing bathroom in December. Measure what you've got — and match it to the houseplants that will actually thrive there.
3. Distance from Glass2 ft
500foot-candles
Current Zone
Bright Indirect
"The 'Goldilocks' zone. Casts a sharp shadow, but no direct beams."
Spring · baseline light
SurvivalMaintenanceGrowthThriving
Suggested For This Light
Light conditions change through the seasons — rerun each spring and autumn. For UK-specific seasonal guidance, see the light guide.