Connecticut Firewood Species Guide

Every species available from CT dealers — what it burns like, how to identify it, and how to find listings near you.

25+ MMBTU/cord — Premium heat
20–25 MMBTU/cord — Good hardwood
Under 20 MMBTU/cord — Softwood
BTU (British Thermal Unit) measures heat energy per cord of wood. Higher = more heat per load. A full cord is 128 cubic feet of stacked wood. All ratings assume properly seasoned wood (<20% moisture).

Chestnut Oak

30.1 MMBTU
Premium hardwood

How to identify: Deeply furrowed, dark gray-brown bark; large wavy-edged leaves; acorns with thick warty caps.

  • Highest BTU of any CT hardwood
  • Dense with excellent coaling
  • Long overnight burn time
  • Harder to split when green
  • Less common than other oaks

Best for: Overnight burns and peak heating season

Hickory

27.7 MMBTU
Premium hardwood

How to identify: Shaggy bark that peels in strips; compound leaves with 5–7 leaflets; small round nuts in husks.

  • Exceptional heat output
  • Outstanding coaling
  • Traditional cooking/smoking wood
  • Very difficult to split
  • Sparks more than most hardwoods

Best for: Maximum heat output; cooking and smoking fires

Beech

27.5 MMBTU
Premium hardwood

How to identify: Smooth, silver-gray bark that stays smooth even on mature trees; small triangular beechnuts in bristly husks.

  • Very high BTU
  • Burns clean with excellent coals
  • Dense and long-lasting
  • Bark traps moisture — needs full 12–18 months to season
  • Difficult to split

Best for: Primary heat source; long evening fires

Ironwood

26.8 MMBTU
Premium hardwood

How to identify: Shreddy, hop-like seed clusters; fluted, muscle-like trunk; small serrated leaves.

  • Extremely dense — among the heaviest hardwoods
  • Near-zero smoke when fully seasoned
  • Very hard to split by hand
  • Less commonly stocked by dealers

Best for: High-heat supplemental burns

Black Locust

26.8 MMBTU
Premium hardwood

How to identify: Deep rope-like furrowed bark; compound leaves with oval leaflets; paired thorns on young branches.

  • Seasons faster than almost any hardwood (6–9 months)
  • Very high BTU
  • Naturally rot-resistant
  • Thorny to handle when fresh
  • Can split unevenly around knots

Best for: Quick-seasoned high-output burns

Apple

26.5 MMBTU
Premium hardwood

How to identify: Rough, gnarled bark on a low, spreading crown; found in old orchards and hedgerows.

  • Wonderful sweet fragrance when burning
  • Very high BTU
  • Burns hot and clean
  • Rare — usually sold at a premium
  • Small-diameter pieces, more work to process

Best for: Fireplace ambiance and special occasion fires

White Oak

26.4 MMBTU
Premium hardwood

How to identify: Light gray, scaly plated bark; rounded leaf lobes (no bristle tips); acorns mature in a single season.

  • High BTU
  • Excellent long-burning coals
  • Burns steadily and cleanly when seasoned
  • Needs a full season to dry — 12–18 months minimum

Best for: Primary heating; consistent long burns

Red Mulberry

25.7 MMBTU
Premium hardwood

How to identify: Rough, orange-tinged scaly bark; leaves vary from unlobed to deeply lobed on the same tree; small blackberry-like fruits in summer.

  • High BTU — underrated firewood
  • Burns hot and clean when seasoned
  • Seasons in 9–12 months
  • Less commonly available — usually sourced from orchard or hedgerow clearing

Best for: Primary heating; excellent high-output burns

Sugar Maple

25.5 MMBTU
Premium hardwood

How to identify: Gray bark with irregular scaly plates on mature trees; classic 5-lobed leaf; paired winged seeds (samaras).

  • High BTU with very clean burn
  • Consistent steady heat
  • Excellent coaling
  • Needs 1–2 full seasons to season properly

Best for: Primary heat; all-night burns

Sweet Birch

25.2 MMBTU
Premium hardwood

How to identify: Dark reddish-brown to nearly black bark with horizontal lenticels; strong wintergreen scent when a twig is scratched; finely toothed leaves.

  • High BTU — significantly better than white birch
  • Strong wintergreen scent when splitting and burning
  • Seasons in 9–12 months
  • Less common than yellow or white birch
  • Dark bark can be mistaken for black cherry

Best for: Primary heating; aromatic fireplace fires

Red Oak

24.6 MMBTU
Good hardwood

How to identify: Dark gray bark with flat-topped shiny ridges; pointed leaf lobes with bristle tips; acorns take 2 years to mature.

  • Widely available across CT
  • Good BTU
  • Solid coaling
  • Open pores absorb moisture easily — needs a full 12–18 months of seasoning

Best for: General-purpose heating when well seasoned

Ash

23.6 MMBTU
Good hardwood

How to identify: Distinctive diamond-pattern gray bark; compound leaves with 7–9 leaflets; paddle-shaped winged seeds (keys).

  • Easiest hardwood to split
  • Seasons quickly — 6–12 months
  • Good BTU
  • Increasingly scarce in CT due to emerald ash borer

Best for: Great all-around choice; ideal for beginners

Yellow Birch

23.6 MMBTU
Good hardwood

How to identify: Yellowish-bronze, slightly peeling bark; wintergreen scent when a twig is scratched; fine-toothed leaves.

  • Good BTU
  • Pleasant subtle scent when burning
  • Splits reasonably well
  • Bark traps moisture — remove or store bark-down when stacking

Best for: Mixed loads; blended with higher-BTU hardwoods

Red Maple

23.3 MMBTU
Good hardwood

How to identify: Smooth gray bark on young trees, scaly on older; red twigs, buds, and fall color; 3-lobed leaf.

  • Very common and easy to source in CT
  • Easy to split
  • Decent BTU
  • Lower BTU than sugar maple
  • Burns moderately fast

Best for: Blended loads; shoulder-season use

Pitch Pine

23.2 MMBTU
Good hardwood

How to identify: Thick, dark, deeply furrowed plated bark; stiff needles in bundles of 3; found in CT on sandy, rocky, or poor soils.

  • High BTU for a pine — much better than white pine
  • Burns very hot
  • Excellent fire-starter due to resin content
  • Extremely resinous — deposits heavy creosote in chimneys
  • Not safe for regular indoor use
  • Produces heavy smoke

Best for: Outdoor fires and campfires only — avoid for indoor use

Black Walnut

22.2 MMBTU
Good hardwood

How to identify: Dark, deeply furrowed diamond-pattern bark; compound leaves; round green husked nuts that stain on contact.

  • Unique earthy aroma when burning
  • Decent BTU
  • Burns cleanly when fully seasoned
  • Husks stain hands and surfaces
  • Needs 1–2 seasons to season fully

Best for: Occasional fireplace use; mixed loads

Sassafras

21 MMBTU
Good hardwood

How to identify: Deeply furrowed orange-brown bark with a spicy root-beer scent when scratched; leaves come in three distinct shapes on the same tree — oval, mitten, and three-lobed.

  • Distinctive pleasant spicy aroma when burning
  • Splits easily
  • Seasons in 6–9 months
  • Lower BTU than primary hardwoods
  • Less commonly stocked

Best for: Fireplace ambiance and mixed loads

Elm

20.9 MMBTU
Good hardwood

How to identify: Interlocking gray-brown ridged bark; asymmetric leaf base; vase-shaped silhouette.

  • Decent heat output
  • Widely available
  • Interlocking grain makes splitting very difficult
  • Smokes heavily if not fully seasoned

Best for: Mixed loads only — must be very well seasoned

Hackberry

20.8 MMBTU
Good hardwood

How to identify: Distinctive corky, warty ridged bark — the surest ID marker; simple leaves with an asymmetric base similar to elm; small dark purple berry-like drupes in fall.

  • Decent BTU comparable to elm
  • Splits more cleanly than elm — no interlocking grain
  • Seasons reasonably well in 9–12 months
  • Less commonly stocked than oak or maple
  • Lower BTU than premium hardwoods

Best for: Mixed loads; solid shoulder-season wood

Tulip Poplar

20.7 MMBTU
Good hardwood

How to identify: Tall straight trunk; distinctive tulip-shaped leaf with a notched tip; greenish-yellow tulip flowers; cone-like seed clusters.

  • Splits very easily — one of the easiest hardwoods
  • Seasons quickly in 6–9 months
  • Good for mixed loads and kindling
  • Lower BTU than primary hardwoods
  • Burns faster than denser species

Best for: Kindling, fire-starting, and mixed loads

Black Cherry

20.4 MMBTU
Good hardwood

How to identify: Dark, scaly, flakey bark on mature trees; horizontal lenticels on young bark; small dark edible cherries.

  • Pleasant mild aroma
  • Splits reasonably well
  • Burns cleanly when seasoned
  • Lower BTU than primary hardwoods

Best for: Fireplace ambiance; mixed loads

White Birch

20.3 MMBTU
Good hardwood

How to identify: Bright white papery bark with distinctive black marks; triangular leaf with double-toothed edge.

  • Excellent aesthetics for open fireplaces
  • Pleasant aroma
  • Easy to split and lights quickly
  • Lower BTU — burns faster than denser hardwoods
  • Papery bark traps moisture

Best for: Kindling, fire-starting, and aesthetic fireplace logs

Sycamore

19.9 MMBTU
Good hardwood

How to identify: Unmistakable mottled bark that flakes off in patches of white, tan, and green; large maple-like leaves; round spiky seed balls.

  • Very common along CT rivers and streams
  • Decent heat output when fully seasoned
  • Interlocking grain makes splitting very difficult
  • Needs a full 12–18 months to season

Best for: Mixed loads when well seasoned; best processed with a splitter

White Pine

15.9 MMBTU
Softwood

How to identify: Long, soft blue-green needles in bundles of 5; reddish-brown furrowed bark; long slender cones.

  • Lights very easily
  • Excellent kindling
  • Inexpensive and widely available
  • High resin content deposits creosote in chimneys
  • Low BTU — burns fast with little sustained heat

Best for: Kindling and fire-starting only — not for primary heating

Spruce

15.5 MMBTU
Softwood

How to identify: Short stiff needles that roll between fingers; thin scaly bark; hanging cylindrical cones.

  • Ignites easily
  • Good fire-starting wood
  • Readily available
  • Very low BTU
  • Burns fast with significant creosote risk indoors

Best for: Outdoor fires and kindling; avoid for primary indoor heating

Eastern Hemlock

15 MMBTU
Softwood

How to identify: Small flat needles with two white stripes underneath; small oval cones; deeply furrowed cinnamon-brown bark on mature trees.

  • Very common in CT — readily available
  • Lights easily
  • Good for outdoor fires
  • Low BTU — burns fast with little sustained heat
  • Sparks significantly — not suitable for open fireplaces without a screen
  • High resin content

Best for: Outdoor and campfire use only

Eastern Red Cedar

12.2 MMBTU
Softwood

How to identify: Reddish, shreddy bark; scale-like overlapping leaves; small blue-gray berry-like cones; strong cedar scent.

  • Very aromatic — strong pleasant cedar scent
  • Excellent fire-starter
  • Lights instantly
  • Lowest BTU of all listed species
  • Sparks significantly — use with screen
  • Burns extremely fast

Best for: Kindling and occasional aromatic fires only

Ready to order? Enter your ZIP to see verified dealers near you.

Find firewood near me