A number of flavors are associated with spruce-flavored beverages, ranging from floral, citrusy, and fruity to cola-like flavors to resinous and piney. This diversity in flavor likely comes from the choice of spruce species, the season in which the needles are harvested, and the manner of preparation.
Using evergreen needles to create beverages originated with the Indigenous peoples of North America who used the drink as a cure for scurvy during the winter months when fresh fruits were not available. It may also have been brewed in Scandinavia prior to European contact with the Americas, but French and British explorers were ignorant of its use as an anti-scurvy treatment when they arrived in North America. The fresh shoots of many spruces and pines are a natural source of vitamin C. European sailors adopted the practice and spread it across the world.
North America and the Pacific 
In 1536, the French explorer Jacques Cartier, exploring the St. Lawrence River, used the local natives' knowledge to save his men who were dying of scurvy. He boiled the needles of the Eastern White Cedar to make a tea that was later shown to contain 50 mg of vitamin C per 100 grams. Such treatments were not available aboard ship, where the disease was most common. This method of treating scurvy using evergreen-needle beverages was later picked up by the British Royal Navy, and spruce was regularly added to ship-brewed beer during eighteenth century explorations of the West Coast of North America. and the wider Pacific, including New Zealand.
It is made of the tops and branches of the spruces-tree, boiled for three hours, then strained into casks, with a certain quantity of molasses; and, as soon as cold, it is fit for use [...]
An American recipe from 1796 states:
Take four ounces of hops, let them boil half an hour in one gallon of water, strain the hop water then add sixteen gallons of warm water, two gallons of molasses, eight ounces of essence of spruce, dissolved in one quart of water, put it in a clean cask, then shake it well together, add half a pint of emptins, then let it stand and work one week, if very warm weather less time will do, when it is drawn off to bottle, add one spoonful of molasses to every bottle.
The Daily Order for the Highland Regiment in North America stipulated that: "Spruce beer is to be brewed for the health and conveniency of the troops which will be served at prime cost. Five quarts of molasses will be put into every barrel of Spruce Beer. Each gallon will cost nearly three coppers."
Today Sitka spruce, native to the northwest coast of North America, tends to be favored, although other species of spruce have also been used. Lighter, more citrus-like flavors are produced by using the bright green fresh spring growth before the new needles and twigs harden and become woody. Sitka spruce trees on the north-central Oregon Coast develop spring growth in early to mid-May.
Modern types 
Though spruce has sometimes been used as a flavoring ingredient in beer, such as Alba Scots Pine Ale, and the Alaskan Brewing Company's Winter Ale, very few beers are actually termed "spruce beer"; those that exist are often express attempts to create a historical recipe. One is Wigram Brewing Company's Spruce Beer, which is based on Captain Cook's first beer brewed in New Zealand in 1773; similarly, Yards Brewing Company's Ben Franklin's Tavern Spruce Ale is supposedly based upon a recipe for beer recorded by Benjamin Franklin. Like ginger beer and root beer, spruce beer is a soft drink and not a type of beer, despite its name.
Fermented sugar beverages 
Alcoholic spruce beer may also be made from sugar and flavoring from the spruce tree. Leaves, small branches, or extracted essence of spruce are boiled with sugar and fermented with yeast. Two different sources of sugar may be used, either molasses or white refined sugar.
Soft drink 
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In the Canadian provinces of Newfoundland and Quebec, where it is known in French as bière d'épinette, spruce beer may refer to either an artificially flavored non-alcoholic carbonated soft drink, or to genuine spruce beer.
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- Jacques Cartier's Second Voyage, 1535 Winter & Scurvy.
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