The smoker is the single most important tool a beekeeper carries. A well-fed, well-burning smoker turns difficult colonies into manageable ones, masks the alarm pheromones that drive defensive behavior, and gives the keeper a tool to redirect bees away from work areas. A poorly-fed smoker that goes out halfway through an inspection turns a routine task into a stressful event for both the keeper and the bees.

The fuel inside the smoker matters more than most new keepers expect. The wrong fuel produces hot smoke that bothers the bees, or thin sooty smoke that does not mask pheromones, or short-burn fuel that requires constant relighting. The right fuel produces dense cool white smoke that lasts the length of a full inspection.

This guide covers the major fuel options, what each one does well, and how to combine them for the best result.

What good smoke actually looks like

Smoke from a beekeeping smoker should be white, dense, and cool enough that you can hold your bare hand a few inches in front of the spout without flinching. The smoke should billow steadily when the bellows are pumped, not puff out in thin gasps. The smoker body should be warm to the touch but not hot enough to burn skin.

Hot smoke (you can feel real heat from the spout) tells you the fuel is burning too fast and the smoke is carrying combustion heat. This irritates the bees rather than calming them. Add a small piece of fresh fuel on top to cool and thicken the smoke.

Black or gray smoke (sooty rather than white) usually means the fuel is incompletely burning, often because the smoker is starved of air, the fuel is damp, or the fuel is the wrong type (synthetic fibers, treated wood). Black smoke can contaminate comb and stress the colony.

Yellow flame visible at the spout means the fuel has caught fire instead of smoldering. This is the most common smoker failure. Pump less air and add fuel on top to smother the flame back into smoldering.

Pine needles: the easy starter

Dry pine needles are one of the easiest fuels to light and one of the most pleasant to smell. The needles ignite from a single match or lighter flame, produce abundant white smoke for 15 to 25 minutes per packed handful, and leave clean ash.

The drawback is the relatively short burn time. For a single hive or two, a smoker packed with pine needles will last the inspection. For a full yard of 5 to 10 hives, the smoker will need a refill partway through.

Many keepers use pine needles as a starter layer at the bottom of the smoker, with longer-burning fuel packed above. The pine needles ignite quickly and create the ember bed that lights the main fuel.

Sourcing is easy in most of the United States. A walk through any pine forest in the fall yields more needles than a beekeeper can use in a season. Free is the standard price.

Burlap: the workhorse

Untreated burlap (the natural jute fabric used for coffee bean bags and sandbags) is the most widely used long-burn smoker fuel in American beekeeping. The fabric smolders rather than burns, produces dense cool white smoke, and a single packed smoker burns for 45 to 90 minutes.

The key word is untreated. Modern burlap shipped internationally is often treated with chemicals (methyl bromide, sulfur compounds, or boron-based fire retardants) to prevent pest infestation during shipping. These chemicals produce harmful smoke when burned. Burlap sourced from local coffee roasters, feed stores, or domestic suppliers is more reliably untreated.

To prepare burlap for the smoker, cut the fabric into strips roughly 2 inches wide and 6 to 8 inches long. Roll the strips loosely and stuff them into the smoker on top of a small base of pine needles or paper. Do not pack tightly: the smoker needs air gaps for combustion.

A 40-pound roll of burlap costs $20 to $40 and lasts most hobby beekeepers two to three seasons.

Wood pellets: the long burn

Hardwood fuel pellets, the same kind used in pellet grills and pellet stoves, are an increasingly popular smoker fuel. The pellets burn slowly and consistently, a single packed smoker often lasts 90 to 150 minutes, and the smoke is cool and clean when the pellets are good quality.

The catch is ignition. Wood pellets are dense and need a strong ember bed to start burning. The technique is to put a base of pine needles or paper at the bottom of the smoker, light it well, let the embers establish, then add pellets a small handful at a time while pumping the bellows. Trying to light pellets directly with a match usually fails.

Use hardwood pellets without flavoring additives. Apple, oak, and hickory pellets are clean. Mesquite is acceptable but produces stronger smoke. Smoking-wood pellets with sugar coatings or flavor oils should not be used. The pellets sold for residential pellet stoves are typically clean hardwood and work well.

Cost: $5 to $8 per 40-pound bag at hardware stores or feed stores. A bag lasts most hobby keepers a full season.

Cotton fiber and denim scraps: the clean burn

Old cotton clothing, cotton rope, or 100 percent cotton denim scraps cut up small produce excellent smoke. The fabric smolders evenly, the smoke is clean and white, and the burn time is comparable to burlap.

The advantage over burlap is that household cotton is rarely chemically treated, so the safety question is easier to answer. The disadvantage is that finding free cotton fabric in quantity is harder than finding burlap.

Avoid synthetic blends. Modern denim is often a cotton-polyester blend; the polyester produces toxic smoke when burned. Check the label. Pure cotton works; blended fabrics do not.

Other fuels worth knowing

Dried untreated wood shavings (the kind sold as pet bedding) burn similarly to wood pellets but ignite more easily. Aspen and pine shavings are common and work well. Avoid cedar shavings, which produce smoke with strong volatile compounds that bother bees.

Dried punk wood (the soft rotted heartwood from old logs) is a traditional smoker fuel that burns for hours. It is hard to source unless you have access to old fallen timber, but where available it is excellent.

Pine cones, dried sumac heads, and dried herbs (lavender, mint, rosemary) all work in small quantities and produce pleasant smoke. They are too short-burning to be primary fuel but make good top-up additions.

Cardboard and corrugated boxes are widely available and burn well, but the glues used in cardboard production produce questionable smoke. Acceptable in a pinch but not recommended for regular use.

What absolutely not to use

Charcoal briquettes contain binders and accelerants that produce toxic smoke. The bees will be visibly distressed.

Treated wood (pressure-treated lumber, painted wood, plywood with synthetic glues) releases harmful chemicals when burned. Never burn construction scraps.

Synthetic fabrics (polyester, nylon, fleece) melt and produce dangerous fumes. Check fabric labels before burning anything.

Wood from poisonous trees (yew, oleander, black locust) should be avoided. Most common firewood (oak, maple, hickory, apple) is safe.

A reliable starting routine

Open the smoker. Place a small handful of dry pine needles or crumpled newspaper in the bottom. Light it with a long match or lighter and pump the bellows 5 to 10 times to get the flame going. Once the base is burning well, add the main fuel (burlap strips, pellets, or wood shavings) loosely on top. Close the lid. Pump the bellows for another 10 to 15 seconds until dense white smoke comes out the spout.

Test the smoke against the back of your hand. If it is too hot to hold your hand 3 inches in front of the spout, add another small piece of fuel on top to cool it.

A well-lit smoker will stay productive for the length of a normal inspection. Pump the bellows every minute or so to keep the embers active, even when not actively smoking the hive. A neglected smoker dies between hives, and relighting in the middle of a yard inspection wastes ten minutes.

Frequently asked questions

What is the best fuel for a beginner who wants a smoker that just works?+

Untreated burlap, cut into strips and stuffed loosely into the smoker after starting with a small piece of newspaper or pine needles for ignition. Burlap is easy to source (free from coffee roasters or feed stores, or $5 to $10 for a roll online), lights reliably, burns for 45 to 90 minutes per fill, and produces cool, dense, white smoke that bees respond to predictably. Avoid burlap that has been chemically treated for shipping use.

Will smoke hurt the bees or contaminate the honey?+

Cool white smoke from clean natural fuel does not hurt the bees and does not contaminate honey. The bees breathe smoke and the smoke triggers a feeding response (they engorge on honey, which makes them less likely to sting), but the exposure is brief and the bees recover within minutes. Hot smoke, black sooty smoke, or smoke from treated wood and synthetic materials can harm bees, taint comb, and contaminate honey. The rule is: if the smoke looks dirty, the fuel is wrong.

Why do experienced beekeepers carry multiple fuel types?+

Because different fuels suit different jobs. Pine needles and dry leaves light easily and are good for starting. Burlap is the workhorse for sustained burning during inspections. Wood pellets give the longest burn time for full-yard inspections but need a good ember bed to ignite. Cotton or denim scraps are clean-burning for late-season inspections when smoke needs to be especially gentle. A small ziplock bag with starter material plus a larger bag of main fuel covers most needs.

Can I use pine needles from my yard, and does the species matter?+

Yes, pine needles from any non-treated source work well. Long-needle southern pines (longleaf, slash, loblolly) burn slightly longer than short-needle northern pines (white pine, jack pine), but all produce acceptable smoke. The needles should be fully dry (brown and crisp, not green or recently fallen). Avoid pine needles from areas treated with herbicides or insecticides. The fragrance of pine smoke is also pleasant for the beekeeper, which is a small but real bonus during a long inspection.

How do I keep the smoker lit for an entire yard inspection?+

Pack the smoker firmly but not tightly, with a base layer of easily-ignited material (pine needles, newspaper, dry leaves) at the bottom and the main fuel (burlap, pellets, or wood chips) above. Puff the bellows every 60 to 90 seconds during the inspection, even when not actively using smoke. The constant air movement keeps the embers hot. If the smoke goes white-clear and starts to thin, add a small piece of fuel through the top before it fully dies. Restarting a dead smoker mid-inspection wastes 10 minutes and frustrates the bees.

Tom Reeves
Author

Tom Reeves

TV & Video Editor

Tom Reeves writes for The Tested Hub.