It looks very pretty, and probably helps with weed control between the vines as well as providing some different pollen for the bees to pollinate the grapes
Lupine is nitrogen fixing, so very good for the soil. And it is so beautiful. I love the palmate leaves also. Terrific capture showing the details of the leaves and blossoms.
@olivetreeann Oh wow Ann, you landed on the site of probably the most expensive wines here! We've been there as we were invited to a wine tasting which was amazing. Needless to say, we never bought any. Thanks so much for the article which I should have goodled ;-)
https://de-toren.com/innovation-sustainability/the-science-behind-de-toren-private-cellar-winter-cover-crop/