Sunflowers

Question

Can sunflowers winter over in Vt?

Answer 1

First, many sunflower varieties are annual and only live one year:

https://www.gardeningknowhow.com/ornamental/flowers/sunflower/is-my-sunflower-an-annual-or-a-perennial-sunflower.htm

Perennial sunflowers are mostly winter hardy in hardiness zones 4 and above, but some are hardy in zone 3. Check your hardiness zone here:

https://www.gardeningknowhow.com/planting-zones/vermont-planting-zones.htm