There is a lot of talk about Canadian Whisky these days. Canadians have been boycotting Bourbon whiskey because of Trump’s actions, and I cannot blame them. The tariffs have hurt both sides of the border, but have hit hard on American whiskey distillers. But what are the differences between Canadian Whisky and Bourbon whiskey besides the way we spell “whiskey”? I thought I would walk through the six sources of flavor and compare the two whiskeys.
The first source of flavor is the grain. Bourbon has to be at least 51% corn. Other grains can be used as “flavor grains” and malted barley can be used to create the fermentation, however, Bourbon can be made with 100% corn and enzymes are then used for fermentation. Canadian Whisky does not have a grain requirement. They use any grain they want to make their whiskey, but traditionally, they have used rye and corn.
The second source of flavor is the water. In today’s distilling, water is less important because many distillers on both sides of the border are using Reverse Osmosis treated water to make their mash. I am sure there are some Canadian distilleries that have excellent, iron free water from natural sources to make their whisky, but they generally don’t talk about their water source in American marketing.
The third source of flavor is fermentation. Both sides of the border use various methods of fermentation – Sweet mashing or Sour mashing, mash versus a wort. Pot still distilleries tend to use a wort to distill from as it is easier to clean the still after distillation. Bourbon takes pride in their yeast strains and I assume the Canadians do the same. Seagram was famous for their five different yeast strains for Four Roses and it is assumed they used the same strains to make their Crown Royal Canadian Whiskey.
The fourth source of flavor is distillation. Bourbon has to be distilled at no higher than 160 proof (80% alcohol). Canada has an upper distillation proof of 180 proof (90% alcohol). Both sides of the border have distilleries that use column stills and other distilleries use pot stills to make their whiskey.
The fifth source of flavor is maturation. Bourbon has to be aged in unused, charred barrels. Canada does not have any such requirement for their whiskey so you get aging in reused or uncharred barrels. Bourbon has to enter the barrel at no higher than 125 proof (62.5% alcohol), but many distillers are entering the whiskey into the barrel at a lower proof. Canada does not have any such requirement and can enter their whiskey at any proof they wish. Bourbon is considered Bourbon as soon as it is entered into the new, charred barrel. No age requirement, but if you want to call it “straight Bourbon”, it must be aged at least two years and if you age it less than four years, it has to have an age statement on the bottle. Canadian Whisky has to be aged at least three years in barrels no larger than 700 liters.
The sixth source of flavor is bottling the whiskey. This is where the Canadians and Bourbon whiskey distillers have another big difference. Bourbon must be bottled at least 80 proof (40% alcohol), with nothing but water added to the whiskey to adjust the proof. Canadian whiskey can have added caramel coloring and flavoring agents such as prune or cherry juice to their whiskey. Canadian Whiskey can also add up to 9.09% wine or spirits (neutral spirits) if these spirits have been aged for at least two years.
These are the differences between Bourbon and Canadian whiskeys. Both can be excellent products. Of course, Canadian whiskey has to be made in Canada and Bourbon has to be made in the United States. Let us hope that sanity returns to the United States soon and that this trade war ends and Canadians return to purchasing Bourbon.

Photos Courtesy of Rosemary Miller













March 24, 2025 at 11:30 am
Being from KY and a historian of KY Bourbon, I would have thought you’d use this space to extend the value of our US spirit over the Canadian’s. We should (you) be boycotting Canadian whiskey. CR is garbage juice and you could get better from the backwoods delivered in a mason jar. Oh and BTW, sanity has already come to managing the years long imbalance with Canada. Funny how lots of folks upset over the trimming of a bloated government including JB Pritzker (gov of IL) yet he laid off hundreds of people at Bardstown and Green River. No one is talking about those folks.
March 24, 2025 at 12:45 pm
Canada is the victim in this trade war. Period. They didn’t want it. They didn’t start it. To suggest otherwise demonstrates a lack of understanding of the situation. Great job distinguishing the two styles—most people forgot the 1/11th rule. To be clear, Canadian distillers don’t add prune juice or rattlesnake heads to their products—it’s 2025, not 1875. Elbows up!
March 24, 2025 at 1:14 pm
To elaborate further, the 1/11th rule states the following:
If the absolute ethyl alcohol content of the spirits or wine that are added as flavouring does not exceed 9.090 per cent of the total quantity of absolute ethyl alcohol contained in the resultant product of the blended spirits, that resultant product is deemed to have been warehoused for a period equal to the period of warehousing of the spirits to which were added the spirits or wine for blending purposes.
Second, my earlier comment should’ve read, “most people forget the 1/11th rule.” Typos like to stir when it’s early in the morning.
March 24, 2025 at 2:18 pm
Canada the victim? You may want to go back and learn what Free Trade actually means. Did you know no American Bank can operate in Canada? JPM, GS, WF, Citi – All are unable to do business in Canada. BMO; however, is happy to operate in the US and bring profits back to the mothership. You should not be so myopic and play into the media’s hand on the tariff discussion alone. BTW, Canadian juice can’t hold a stick to our KY distillers.
March 24, 2025 at 3:01 pm
Addressing the comment above would be a waste of my time. If you choose to believe propaganda talking points, that’s your prerogative. Something to consider, how will treating our neighbours and allies poorly make us a more prosperous country? Did you respond positively to bullies as a child?
March 25, 2025 at 5:22 pm
Bro you need to zoom out and learn to research these topics yourself rather than being spoon fed from CNNs Kaitlin. Why you so hurt over this?
March 24, 2025 at 8:46 pm
Well Crown Royal Western Rye did win the best Whiskey in the world contest in Europe.
March 25, 2025 at 12:13 am
Joe, I think your mom was hurting the whiskey when she was expecting you. There’s US banks working out of Canada.
March 25, 2025 at 5:18 pm
Walk into one of those said banks and try to open a checking account. Please post your response here. Nice try with the mom comment… classless and clueless.
March 25, 2025 at 5:53 pm
Your comment was, “Did you know no American Bank can operate in Canada?” That is not true. American banks can operate in Canada. Banks can be more than just checking accounts. It’s always a good idea to trust more than a single source of information.
March 25, 2025 at 6:04 pm
If you consider banking wealth management then good on you… I said banks, not FA’s. Did you open that checking account? Lemme know how that goes. Obfuscation is an art with you.
March 25, 2025 at 5:59 pm
To settle the matter:
U.S. banks can operate in Canada, but they must go through formal approval processes, set up legal entities or branches, and follow Canadian financial regulations. Most who do focus on business, institutional, or investment services—not typical retail banking.
I agree with you Joe, name calling isn’t appropriate, but neither is standing behind something unless you know it to be absolutely true.
March 25, 2025 at 6:11 pm
My point exactly. The regulators have made it so difficult that no US institution is willing to set up retail operations in Canada. However, here you are implying that the playing field is level with America and we are not at a loss. This is not true. Whose team are you on? Are you one of those dual team players? I dunno….
March 29, 2025 at 11:54 am
Is it any easier for a Canadian bank to operate in the United States?
March 25, 2025 at 6:13 pm
I am on the team of knowledge, thoughtfulness, and thinking before speaking.
March 25, 2025 at 6:26 pm
🙄
March 30, 2025 at 2:04 am
Which Canadian liquor is popular in US? I only purchased Tangle Ridge about 20 years ago.