If your vineyard has cases of unsold merlot at the end of a couple of seasons, you can change pretty quickly. The graph shows plantings are flat for a couple o

If your vineyard has cases of unsold merlot at the end of a couple of seasons, you can change pretty quickly. The graph shows plantings are flat for a couple of years before the vineyards actually started switching, they just weren't planting new merlot grapes.