Is Cottonwood good to burn as firewood? This guide covers the pros and cons of using cottonwood for firewood and how long it takes to season.
We’ve also included information about how it compares to hardwoods like oak and heat output, and finally, we conclude by providing an answer to the question asked.
Cottonwood is a fast-growing, shady, deciduous tree easily identified by its toothed leaves and cottony seeds. Like many tree species, cottonwood is harvested for firewood.
Does cottonwood make good firewood? This is where the focus is. As you read through this guide, you’ll find all the helpful information on how this wood ranks in terms of firewood quality.
Cottonwood Firewood: Pros and Cons
Are you looking to use cottonwood for heating?
If you do, you may be interested in the pros and cons. One advantage is low smoke emission (for well-seasoned cottonwood).
It’s easy to light and widespread. In other words, this tree species is common and can be found across the United States. It’s also a wood suitable for your indoor heating needs (fireplaces and woodstoves).
Still on the advantages, cottonwood firewood is generally considered as being easy to split. This is one of the major considerations for users who often go for woods posing less difficulty.
What’s more? The seasoning time for cottonwood is quite fair, taking anywhere from 6 months to a year, depending on the climatic conditions of your area.
On the flip side, cottonwood firewood has its own challenges that include a high sap and resin content of around 62%.
This means it will require adequate seasoning and may have to be mixed with other hardwood species for efficient heating. This hardwood slightly smells, which may be considered offensive to some users.
Compared to other hardwoods, cottonwood generates less heat when combusting. Temperate conditions will require firewood with greater heat generation or BTUs.
These are mostly denser and produce more heat per cord. Examples of these include hickory, ash, beech, and oak. There are several other examples you can explore.
How Long Cottonwood Takes to Season
One consideration people make when choosing or harvesting trees for firewood is the seasoning duration or how long it takes to dry.
The best woods for firewood shouldn’t take too long to season and vice versa.
That is, a medium seasoning time should suffice. Cottonwood falls into this category as it takes an average of 6 months to a year to season correctly.
Sometimes, it may take longer than a year based on climatic conditions of your area. For optimal seasoning, the wood must be suspended from the ground and kept where there’s ample exposure to sunlight.
It’s important to note that the performance of your firewood is tied to how well it’s seasoned. Green or improperly seasoned cottonwood generates a lot of smoke and creosote, which isn’t good for your chimney.
How Cottonwood Compares to Other Hardwoods
Cottonwoods are hardwoods and hardwoods are generally known to be denser, thus ideal for firewood and other uses. However, there are differences between hardwoods in several respects like the density.
Denser hardwoods tend to perform better as burning fuel compared to less denser hardwoods. Cottonwood is considered less dense compared to hardwoods like oak and hickory.
In other words, cottonwood firewood won’t burn as efficiently as oak or hickory firewood. By itself, it’s considered pretty good as it will serve your general heating needs.
However, you may have to combine this firewood species with others for optimal performance. Thankfully, there are lots of options to consider.
We recommend further research if you’re open to other efficient heating alternatives.
Heat Output
How much heat does cottonwood firewood produce?
This is vital information when choosing or exploring heating fuels. Heat output is measured in BTUs, and for this tree species, the BTU is around 15.8 million per cord.
While this may sound like a lot, there are other wood species that are denser and have much higher heat outputs, or BTU. Good examples include Ironwood, which produces 30 million BTU per cord, and Hickory, which produces 28 million BTU per cord.
However, this doesn’t mean firewood from cottonwood trees won’t work.
They generally do. Nevertheless, more temperate areas may require denser firewood types as heating fuels as they burn longer and more efficiently.
We’ve mentioned some of these, including hickory, oak, beech, and many other variants. Further, explore and compare these with cottonwood to find a more suitable type.
Other Uses of Cottonwood
Is cottonwood used for other things besides firewood? Absolutely! Its versatility is quite remarkable. This tree means different things to different people; hence, it is used as pulpwood for medicinal purposes.
What more? The lumber value of cottonwood is high. Like many tree species, cottonwood trees serve as homes to wildlife, such as birds, who may also feed on the seeds held by catkins produced by the tree.
From the name alone, it’s often assumed that cottonwood produces cotton. However, that isn’t entirely the case, as the fluffy material isn’t true cotton and can’t serve as a suitable material.
Despite this fact, this tree is generally considered valuable for many things besides firewood.
Is Cottonwood Good Firewood?
So far, we’ve discussed extensively the general combustive characteristics of cottonwood. This section serves as the conclusion of our findings.
Yes, cottonwood is generally considered good firewood as it can be used in a variety of heating scenarios, including indoor heating. However, as discussed above, it doesn’t come without its downsides.
Several firewood species easily outperform cottonwoods.
You make the final decision about which heating fuel is best for your needs. Again, we recommend that you do further research to have a broader range of options.
You can also maximize your experience by combining cottonwood firewood with denser species for the best results. These will enhance overall efficiency. Also, ensure your wood is adequately seasoned.
In conclusion, cottonwood is considered good firewood and may serve all your heating needs. Making a choice comes with much responsibility as you must explore your options.
This guide offers helpful advice required to get started.
Thank you for writing another excellent article! I live in the Rockies, and there’s a LOT of enormous cottonwoods up here, but it is mostly hauled to a landfill when cut, and not burned. The reason is that it POPS! while burning, exploding embers all over your living room when you stoke the stove, which is OFTEN, as it has a relatively low fuel content. Having had close calls with cottonwood, like my neighbors I soon stopped burning it simply because it’s so dangerous – purely a safety matter. Just my two cents.
Keep the fire in your eyes!