Sunflower reveals where plants will thrive. It measures the intensity and duration of photosynthetically active radiation falling upon a specific location in the home over time. The amount of light received is reported in familiar, practical terms: equivalent hours of direct outdoor sunshine. 

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Solar orientation, architecture, electric illumination, and the media through which radiation must pass to reach a plant confound fulfillment of botanical light requirements and evaluation of a location’s ability to meet those requirements. Both the professional interior landscaper and casual houseplant enthusiast can use Sunflower to gain a true understanding of dynamic indoor light conditions and compose a successful, verdant space.

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Place Sunflower where you will a plant and wait a day or more. Then, turn it over to see how much useful light fell there and choose a species that will prosper.