How to grow eastern hemlock
Tsuga canadensis
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.
Eastern Hemlock is timed by season rather than your frost dates, so the planting calendar does not generate ZIP-specific dates for it. Check the cited sources below to fine-tune for your area.
Growing conditions
- Lifecycle
- Perennial
- Spacing
- 300 to 420 in apart
- Sun
- Partial sun
- Soil pH
- 5 to 6
Common problems
- hemlock woolly adelgid
- drought stress
- intolerant of heat and wind
- needle blight
Sources
- North Carolina Extension Gardener Plant Toolbox (NC State Extension): Tsuga canadensis (Eastern Hemlock)
- Penn State Extension: Is Fall for Planting?
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