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Harvest window.

Tell it when you flipped and how long the strain is supposed to take. It gives you dates and today’s day of flower. It doesn’t give you permission.

The day you switched to 12 hours of light.

Flowering time, in weeks

from

to

Working out today’s date…

Where the numbers come from. The flowering times in the list are the 134 in the strain library that come straight from a breeder’s own page. For anything else, type in what your breeder says.

It’s an estimate. Breeders’ figures are for their conditions, not yours. Plants often finish earlier or later than the breeder’s number.

The trichomes decide. When the window opens, start looking with a loupe. This is the same counting the app will do, minus the part where it remembers what the strain did for you last time.

Runs in your browser. Nothing you type here is sent or saved.