Why Plain White Sugar and Not Sugar-in-the-Raw for Hummingbird Nectar?
The Sugar Shaker Nectar Maker® is specifically designed and recommended to use plain white granulated sugar (regular table sugar) for making hummingbird or oriole nectar. The manufacturer explicitly states use only plain white sugar, never - Sugar in the Raw, brown sugar, honey, or powdered sugar.
Why Plain White Sugar?
Plain white sugar is pure sucrose, which most closely mimics the natural sugars in flower nectar that hummingbirds evolved to consume. It dissolves cleanly in cold water (perfect for the no-boil shake method of the Sugar Shaker), produces a clear solution without residue, and avoids introducing anything that could harm the birds or cause feeder issues like faster fermentation or mold.
Why Not Powdered Sugar (Confectioners' Sugar)?
Powdered sugar is not pure sugar. It typically contains additives like cornstarch (sometimes calcium phosphate or other anti-caking agents) to prevent clumping. These extras are unnecessary and potentially problematic for hummingbirds:
- They can cause the nectar to ferment or spoil more quickly.
- They alter the purity that hummingbirds need.
Experts and manufacturers (including the Smithsonian National Zoo) strongly advise against it for these reasons.
Why Not Sugar in the Raw (or Turbinado, Organic Raw, Brown Sugar)?
These less-refined sugars retain trace amounts of molasses, minerals, and especially iron. While iron is fine (or even beneficial) for humans in small amounts, hummingbirds do not metabolize it well. Excess iron can lead to a condition called iron storage disease (hemochromatosis), which is toxic and can be fatal to them. There are documented cases of captive hummingbirds dying from iron overload when fed diets with higher iron content from unrefined sugars.
Refining sugar to make it white removes those impurities—which was done for human preferences (whiter color, neutral taste)—but it has the side benefit of making the sugar safer for hummingbirds. The consensus from hummingbird experts, societies, and rehabbers is clear: stick to refined white granulated sugar to keep the nectar safe and closest to natural flower nectar.
The Sugar Shaker's measuring lines and shake method are calibrated around plain white sugar dissolving properly in cold tap water at the standard 1:4 ratio (sugar to water) for hummingbirds (or 1:6 for orioles). Other sugars could affect dissolution, clarity, or safety, which is why the instructions emphasize 100% pure (white) sugar.
If you're making nectar the old-fashioned way (boiling), the same rules apply. Fresh is always best—change it every few days in hot weather to prevent spoilage. Your hummingbirds will thank you for keeping it simple and pure! If you have more questions about the Shaker or feeders, feel free to ask.