Illustration
Jeddeloh Hemlock
Tsuga canadensis 'Jeddeloh'
Jeddeloh Hemlock is grown for its foliage rather than flowers, giving the garden structure and color all season long.
Months here are Northern Hemisphere months; in the Southern Hemisphere, shift them by six months.
Growing Jeddeloh Hemlock
Plant it in part shade. It prefers moderate water. It is hardy in USDA zones 3–7. Expect it to reach about 3.5 ft tall and 5 ft wide at maturity, in roughly 15 years (not yet checked).
No toxicity note is on file for Jeddeloh Hemlock. That is not a clearance: check its safety for people and pets before planting.
What was checked
Mature height and spread, hardiness zones, sun and the trait tags were checked against named botanical sources for this plant. The bloom months and water need on this page were not, and each fact above says which. The planting, spacing and size sections are derived from these checked facts by a fixed rule, not checked separately, and the plant type is the library's own classification.
When to plant Jeddeloh Hemlock
Plant Jeddeloh Hemlock in spring once the soil is workable, or by very early fall at the latest: an evergreen needs its roots down well before the ground freezes. In zone 5, the middle of its hardy zones 3 to 7, that is April to June, or August on the fall side.
Month-by-month timing for your zone is on the planting calendar; if you garden near zone 5, the middle of this plant's hardy range, start with zone 5 in April. Derived from the plant's category, zones and bloom months plus typical zone frost dates, not checked separately.
How big does Jeddeloh Hemlock get?
3.5 fttall5 ft 7 inan adult5 ftwideSee Jeddeloh Hemlock in a garden plan: the planner shows it in 3D beside everything else you add, growing toward this size over the years.
How far apart to plant Jeddeloh Hemlock
Derived from the mature spread above by a fixed rule, not checked separately: spacing is the spread, center to center.
Space Jeddeloh Hemlock about 5 ft apart, center to center, so each plant has room to reach its full width.
Add Jeddeloh Hemlock to a garden plan and the planner draws it at its full width, so you see the spacing before you buy.
Where these facts come from
Jeddeloh Hemlock's height, spread, hardiness zones, sun and trait tags were checked against 4 published sources on July 29, 2026. Each one is linked below with every fact it carried, which can include a fact this page still marks as not yet checked, because a source carrying a value is not the same as the value being held to the standard. Facts not in that list, and the planting, spacing and size sections, are not covered by these sources.
- Missouri Botanical Gardenheight, spread, hardiness zones, sun and trait tags
- NC State ExtensionPlant Toolboxheight, spread, hardiness zones, sun and trait tags
- Purdue ArboretumExplorerheight, spread, hardiness zones, sun and trait tags
- conifersociety.orgAmerican Conifer Societyheight and spread
How the checking works, and what each standard covers, is on the verified plants page.
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Drop this plant onto a 3D plan, see how it fills in, and watch your whole garden bloom across the year.