Hebes are very wind tolerant and grow quick.

How long do hebes take to grow?

Plant them out the following spring. The new plants should flower in two years.

What is the fastest growing shrub for privacy?

American Arborvitae (Thuja occidentalis) is a fast-growing evergreen hedge with feathery foliage. It grows best in full sun and is very cold hardy. It's a great choice for a privacy hedge. American Arborvitae is hardy in USDA Zones 3-8.