Hardwood vs Softwood: Understanding the Difference
Hardwood is hard. Softwood is soft. Simple, right?
Except balsa is a hardwood, and it’s so soft you can dent it with your fingernail. Meanwhile, yew is a softwood that’s harder than many hardwoods.
The names are misleading. They describe botanical categories, not physical hardness. Once you understand what actually separates these two groups, wood identification and selection becomes much clearer.
The Real Difference
Hardwoods come from angiosperms—flowering plants with broad leaves. Oaks, maples, cherry, walnut, ash, and yes, balsa.
Softwoods come from gymnosperms—mostly conifers with needles or scales. Pine, spruce, fir, cedar, redwood.
This distinction dates back over 100 million years, when flowering plants evolved and began to dominate the landscape. The two groups developed different internal structures to move water and nutrients through their trunks.
Inside the Wood
Cut across a tree trunk and look at the cells under magnification. You’ll see the structural difference immediately.
Hardwood Structure
Hardwoods have a complex cell structure with two main cell types:
Vessels (or pores) are large, hollow tubes that transport water up from the roots. They look like holes or dots in the end grain. Some hardwoods have large, visible pores (oak, ash). Others have tiny pores barely visible without magnification (maple, cherry).
Fibers provide structural support. They’re smaller, denser cells that make up most of the wood between the vessels.
This combination of large transport vessels and dense support fibers gives hardwood its varied properties. Ring-porous hardwoods (like oak) have large vessels concentrated in the early part of each growth ring, creating distinctive grain patterns.
Softwood Structure
Softwoods have a simpler structure. They lack the large vessels found in hardwoods. Instead, they rely on:
Tracheids—small, elongated cells that handle both water transport and structural support. About 90% of softwood consists of tracheids.
Resin canals run through many softwoods, producing the pitch and sap that gives pine its distinctive smell.
This simpler, more uniform structure makes softwood generally easier to work with hand tools. The lack of large vessels means the surface sands more evenly.
Properties That Actually Matter
Density and Weight
Most hardwoods are denser than most softwoods. But there’s significant overlap.
Light hardwoods: Balsa (the lightest wood available), butternut, basswood Heavy softwoods: Yew, juniper, old-growth Douglas fir
In general, density correlates with durability and hardness. Denser woods resist dents and wear better.
Hardness
The Janka hardness test measures how much force is needed to embed a steel ball halfway into a wood sample. Higher numbers mean harder wood.
| Wood | Type | Janka Rating |
|---|---|---|
| Balsa | Hardwood | 67 |
| White Pine | Softwood | 380 |
| Douglas Fir | Softwood | 660 |
| Black Walnut | Hardwood | 1,010 |
| Yew | Softwood | 1,520 |
| White Oak | Hardwood | 1,360 |
| Sugar Maple | Hardwood | 1,450 |
| Hickory | Hardwood | 1,820 |
Balsa, a hardwood, has one of the lowest Janka ratings. Yew, a softwood, is harder than many hardwoods. The botanical categories don’t predict physical hardness.
Grain and Appearance
Hardwoods typically have more varied and decorative grain patterns due to their complex cell structure. The large vessels in oak create the strong grain lines people associate with the species. The subtle, closed-grain appearance of maple comes from its tiny, dispersed pores.
Softwoods tend toward straighter, more uniform grain. They can still be beautiful—old-growth redwood and cedar have striking patterns—but they lack the complexity of woods like walnut or figured maple.
Workability
Softwoods are generally easier to cut, shape, and fasten. The uniform cell structure means fewer surprises when sawing or routing. They accept screws and nails without splitting as easily as dense hardwoods.
Hardwoods require sharper tools and more care, but they hold detail better and create more durable finished products.
Common Uses
Softwood Applications
Construction framing: Pine, fir, and spruce dominate residential construction. Straight, strong, affordable, and renewable. Most houses in North America sit on softwood frames.
Exterior applications: Cedar and redwood resist rot naturally, making them ideal for decks, fences, and siding. Their natural oils repel insects and fungus.
Paper products: The long fibers of softwood make excellent paper pulp. Most paper comes from softwood species.
General woodworking: Pine and fir work well for shelving, furniture frames, and projects where appearance matters less than function.
Hardwood Applications
Furniture: The density, durability, and appearance of hardwoods make them standard for quality furniture. Oak, walnut, cherry, and maple dominate.
Flooring: Hardwood floors last decades with proper care. Oak is the most common, but maple (especially in gyms) and hickory see wide use.
Cabinetry: Kitchen cabinets, built-ins, and architectural woodwork typically use hardwoods for their durability and ability to hold detail.
Tool handles: Hickory and ash absorb shock well, making them traditional choices for hammer and axe handles.
Musical instruments: Different hardwoods create different tones. Spruce (a softwood) is often used for soundboards, but bodies, necks, and fretboards are typically hardwood.
Sustainability Considerations
Softwoods generally grow faster than hardwoods. A pine plantation can produce harvestable timber in 25-30 years. Oaks might take 60-80 years to reach similar size.
This growth rate makes softwoods more sustainable for high-volume applications like construction. Managed softwood forests can be harvested and replanted relatively quickly.
Hardwood sustainability is more complex. Some species regenerate well after selective harvesting. Others are slow-growing and easily overharvested. Tropical hardwoods face particular pressure.
When buying hardwood, look for FSC (Forest Stewardship Council) certification or know the source. Reclaimed hardwood from old buildings and barns provides excellent material while avoiding new harvesting.
Identifying Unknown Wood
If you find a piece of wood and want to know if it’s hardwood or softwood:
Check the end grain. Visible pores or holes indicate hardwood. Uniform, fine texture suggests softwood.
Look for resin. Sticky pitch or the smell of pine/cedar points to softwood.
Consider the weight. Very light wood might be softwood, but light hardwoods exist too.
Examine the grain pattern. Complex, varied grain often indicates hardwood. Straight, consistent lines suggest softwood.
The Tree Identifier app can help with wood identification when you have bark or tree features to photograph. For cut lumber without bark, a combination of grain examination and process of elimination usually works.
Making the Right Choice
For any woodworking project, match the wood to the requirements:
Outdoor exposure? Use naturally rot-resistant species: cedar, redwood, teak, white oak.
Heavy wear? Choose hard, dense species: maple, hickory, oak.
Fine detail? Close-grained hardwoods hold detail best: cherry, maple, walnut.
Budget constraints? Softwoods and common hardwoods (oak, poplar) cost less than exotic or figured woods.
Sustainability priority? Fast-growing softwoods, certified hardwoods, or reclaimed material.
The hardwood/softwood distinction matters less than the specific properties of the species you’re considering. Balsa is technically hardwood, but you wouldn’t use it for a dining table. Yew is technically softwood, but its hardness and beauty make it prized for furniture.
Learn the species, not just the categories. That knowledge serves you better than the misleading hard/soft terminology.
Tree Identifier Team
Tree Identifier Team