Eastern Hemlock plant profile
Tsuga canadensis
A perennial tree for partial sun.
Last updated .
When to plant
When to plant Eastern Hemlock
Plant this conifer in early spring, before new growth begins, or in early fall. Extension guidance rates those two windows as best because roots can establish before summer heat or a hard freeze; container or balled-and-burlapped stock goes in during these cooler, low-stress periods.
The calendar shows this cited seasonal window as an approximate band. It does not convert the season into frost-adjusted dates.
Open Eastern Hemlock in my garden calendarShows the source-backed planting season, not frost-adjusted dates.
Growing conditions
- Sun
- Partial sun
- Soil pH
- 5 to 6
- Lifecycle
- Perennial
- Spacing
- 300 to 420 in apart
- Hardiness
- Zones 3a to 7bFind my hardiness zone
Common problems
Watch for these
Also watch for: hemlock woolly adelgid, drought stress, intolerant of heat and wind, needle blight.
Next steps
Continue with Eastern Hemlock
Evidence trail
Evidence behind this profile
Original extension and institutional publications behind the planting, care, and safety facts on this page.
- Tsuga canadensis (Eastern Hemlock)
North Carolina Extension Gardener Plant Toolbox (NC State Extension). Supports general reference. Checked 2026-06-18.
- Is Fall for Planting?
Penn State Extension. Supports planting reference. Checked 2026-06-18.