Howard Park by the celestial book

I'm just back from a great tour of Australia, on which I will be reporting in much more detail. On this trip I visited Howard Park in Margaret River, ardent devotees of biodynamics. They shared with us their calendar of operations for vineyard activity, and are happy to share this information with Purple pagers. The image below shows the three harvest months; a pdf file of the full calendar can be downloaded here.

The harvest windows illustrated are apparently adhered to without exception – regardless of disease pressure or ripeness, grapes are not picked outside these recommended times. Howard...