Field ManualAll plants

Korean pine
Pinus koraiensis
Family: Pinaceae
Pet & Human Safety
People: Not researchedPets: Not on the ASPCA lists as we read them
No ASPCA page for Pinus koraiensis was found, and NC State has no pet-poison section for it. Not listed is not the same as safe.
Poison control
If someone has collapsed, cannot be woken, is having a seizure or has trouble breathing, call 911 now. For any other possible poisoning, call Poison Help: 1-800-222-1222.
Emergency number source: U.S. federal law (47 U.S.C. § 251(e)(3)), read 2026-10-07.
Naturalist Lore
Historical Background & Breeding Lore
The history of this plant and its name, and how it was bred, where we have them.
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- Hardiness zones
USDA 4a to 7b (NC State); 3 to 7 (UMN). Beyond zone 7b is not stated, so Florida is outside both sources.
- Water needs
NC State: 'It is moderately drought tolerant.'
- Mature size
Height 30 to 40 ft, width 15 to 20 ft (NC State)
- Where it comes from
Korea and Japan (NC State and the Kew list). The Russian Far East (Amur, Khabarovsk, Primorye) and Manchuria are from the Kew list only. Not native to North America.
How to prepare the soil, when and what to feed, and how and when to prune where that applies.
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Botanical Anatomy & Characteristics
How the flowers and leaves are built and which pollinators visit, where we have them.
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Field Doctor
What can go wrong with this plant and what to do about it, where we have them.
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Vintage Plates
Old botanical drawings from public libraries are in the app, for plants where we have them.
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