Rowles Farm in Berkshire monitored weather conditions for three years before planting its vineyard.
Olivia Bailey says important safety improvements are needed on one of the South's busiest A roads.
National Highways is carrying out work between East IIsley and Chieveley.
Drivers in the region are warned the closure is likely to cause delays.
Some believe the old pumps in East Ilsley and Burghfield have special historical significance.
