Carolina hemlock (Tsuga caroliniana)

General Plant Information (Edit)
Plant Habit: Tree
Sun Requirements: Full Sun to Partial Shade
Partial or Dappled Shade
Partial Shade to Full Shade
Water Preferences: Mesic
Soil pH Preferences: Slightly acid (6.1 – 6.5)
Minimum cold hardiness: Zone 5a -28.9 °C (-20 °F) to -26.1 °C (-15 °F)
Maximum recommended zone: Zone 7b
Plant Height: 40 to 60 feet, to 100 feet
Plant Spread: 20 to 30 feet
Leaves: Evergreen
Fruit: Other: small cones 1 to 1.5 inches long
Fruiting Time: Late summer or early fall
Late fall or early winter
Flowers: Other: yellowish pollen cones
Flower Time: Spring
Underground structures: Taproot
Uses: Shade Tree
Pollinators: Wind
Miscellaneous: Tolerates poor soil
Conservation status: Near Threatened (NT)

Conservation status:
Conservation status: Near Threatened

Posted by ILPARW (southeast Pennsylvania - Zone 6b) on Aug 17, 2019 11:10 AM

This Carolina Hemlock is similar to the much more common Eastern or Canadian Hemlock. The needles do not taper from the base to the apex, are about 0.8 inches long, and are splayed all around the twigs, while the Canadian needles are about 0.5 to 0.8 inches long, do taper, and are in a flat plane. The Carolina species cones are 1 to 1.5 inches long and the scales open out a lot. It develops a deep taproot. The Carolina species is not grown much in the nursery trade, but some specialty nurseries do carry some. There are a few cultivars that are either columnar, dwarf, or weeping. The Morton Arboretum in Lisle, Illinois has some planted in their Appalachian section. This species is native to rocky mountain slopes of western North Carolina, a little into eastern Tennessee, southwest Virginia, northwest South Carolina, and a little into northeast Georgia.

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