Wood Species Guide
River Birch
Betula nigra
Also called: Red Birch, Black Birch (regional, shared name), Water Birch
What River Birch looks like
Sapwood is pale cream and the heartwood is a light reddish brown. Most boards are a mix of the two.
Grain and texture
Straight to slightly wavy grain with a fine, even texture.
Working River Birch: planing, cutting and gluing
Works easily with hand and power tools and turns well. It is a bit softer than yellow birch and can fuzz if tools are dull. Glues and finishes without trouble.
Finishing River Birch: oil, film finishes and epoxy
Takes clear finishes well; stain may blotch, so use a conditioner. The closed grain seals fast before epoxy. Expect the pale wood to yellow slightly over time.
Durability, stability and Florida humidity
Perishable outdoors and attractive to insects. Fresh-cut logs stain and spalt quickly in Florida heat, so mill and sticker them right away. Keep finished pieces indoors.
Shop notes from our Fort Myers shop
River birch is the only birch native to Florida, and it is a popular landscape tree with peeling salmon-colored bark. It is rarely sold as lumber, so most of what turns up comes from yard trees and tree crews. Smaller logs make nice turning blanks and spalted pieces. We don't stock it, but ask us and we can often source local wood.
Common uses for River Birch
Turnings, small furniture, utensils, craft pieces and rustic decor; commercially it is often mixed into general hardwood lumber or pulp.
Sustainability and CITES status
Not listed in the CITES Appendices. Rated Least Concern on the IUCN Red List.
Safety and toxicity
- Skin irritation
- Respiratory / asthma
- Sensitizer (allergy builds with exposure)
Few reports on river birch itself. Other birches are mild sensitizers that occasionally irritate skin and airways.
- In the shop
- Dust collection + mask when sanding
- Food contact
- Good choice for cutting boards, bowls and utensils
General information, not medical advice. See a doctor if you have a reaction.
Birch dust is a mild sensitizer, and skin or airway irritation is occasionally reported. Use dust collection and a mask when sanding.
River Birch in stock now
Ask us. We can often source it.
We don't have River Birch listed online right now, but new slabs and lumber come in all the time and not everything makes it to the website. Tell us what you're building and we'll check our racks and suppliers.
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