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It’s reasonable to assume that what you see in the photo above is a little grape cluster, but there’s more than meets the eye.
Yes, it’s a cluster—but not yet a grape cluster. Before it becomes a true grape cluster, it must undergo a process known as “flowering,” which typically takes place in later May through early June.
During flowering, the young clusters shed their hard green caps, revealing blooms underneath. These blooms are designed to self-pollinate. Once fertilization occurs, that’s when you actually have grapes to grow.
This photo was taken a few days ago at our estate Margarita Vineyard, specifically in Block 7, which is planted to Merlot. So what you see here aren’t baby grapes, the rather the hard caps that will soon be shed to reveal the blooms and begin flowering to create new Merlot grapes.
Flowering can be a delicate process. Harsh winds or extreme temperatures can disrupt the pollination process. So during flowering, you hope for steady, mild weather. This fosters a thorough grape “set” for a full, healthy crop.
We invite you to join one of our Paso Robles vineyard tours every Saturday for a close-up look at flowering and other growing phases at our estate Margarita Vineyard.