When to Plant Arborvitae in Connecticut

Growing Arborvitae in Connecticut: Complete Guide

Arborvitae (Thuja occidentalis) is planted as nursery stock — a container-grown or bare-root plant from a garden center, not seed. Depending on your zone, the ideal spring window in Connecticut falls between March 8, 2027 (Zone 7b) and March 23, 2027 (Zone 6a); early fall works too, once summer heat breaks.

Because Connecticut stretches across 4 USDA hardiness zones (6a, 6b, 7a, 7b), planting windows can shift by as much as two to four weeks from one end of the state to the other. Gardeners in the warmer southern zones can start earlier, while those in cooler northern zones should wait until the zone table above shows their last frost has passed.

Arborvitae requires full sun to light shade and moderate; water well first year moisture. In the Northeast, cool summers and moderate humidity can slow warm-season crops, so choose a sheltered, south-facing spot to maximise heat.

For the most precise planting dates tailored to your exact location, enter your ZIP code on our planting calendar or use the zone table above to find the schedule for your area of Connecticut.