Blackgum
Nyssa sylvatica Marshall
- light
- Full sun
- water
- Medium
- tall
- 7.6 m
- wide
- 8.6 m
Nyssaceae
Also called Sour gum
Formerly Nyssa canadensis, Nyssa caroliniana, Nyssa ciliata, Nyssa integrifolia, and 2 more
When it flowers
Not known yet in the tropics: too few flowering observations to read a season from.
If a child, a pet or anyone may have eaten a plant, contact a doctor or vet straight away, or call the National Poisons Information Centre (AIIMS, New Delhi) on 1800 116 117, free and open 24 hours.
Something wrong with it?About it
- Grows as
- TreeKew's checklist, not yet checked
- Climate
- TemperateKew's checklist, not yet checked
- Wild in
- S. Ontario to C. & E. U.S.A. and MexicoKew's checklist, not yet checked
- Light
- Full sun (6 h or more)Read from NC State Extension, one source
- Height
- 6.1 m to 9.1 mRead from NC State Extension, one source
- Spread
- 6.3 m to 11 mRead from NC State Extension, one source
- Water
- Average: moist, well drainedRead from NC State Extension, one source
- Flowers
- White, greenRead from NC State Extension, one source
- Coldest it survives
- -34.4 °C (USDA zone 4a)Read from NC State Extension, one source
Not known yet: heat, hottest it survives.
In other languages (1)
- Chinese
- 多花蓝果树
Where this comes from
- Wikidata, read 2026-10-25, CC0-1.0
- Kew's checklist, read 2026-10-24, CC-BY-4.0
- NC State Extension, read 2026-10-25, fact, cited
- Wikimedia Commons, read 2026-10-25, CC BY-SA 4.0
- 3D model: Nyssa sylvatica (built for Vanagrha) by Vanagrha, own
A fact “checked by a majority of its sources” was settled by a vote of the pages it was read from, not by a person reading it; one marked “one source” rests on that page alone. Anything else not marked checked has not been checked yet. Where nothing is known, the page says so rather than guess.