
This rhubarb simple syrup drink is a gorgeous balance of tart and sweet, made from scratch with fresh rhubarb and perfect for sparkling lemonades, cocktails, or mocktails.

If rhubarb is at the farmers market right now, this is your sign to grab a bunch and make this recipe today. This rhubarb simple syrup drink is everything a seasonal beverage should be: tart, a little floral, naturally rosy pink, and endlessly versatile. It takes less than 30 minutes to pull together, and you end up with a gorgeous syrup that turns an ordinary glass of sparkling water into something genuinely special.
Rhubarb has one of those flavors that feels both nostalgic and exciting at the same time. It is bold and sharp on its own, but once you cook it down with sugar and a splash of lemon, it transforms into something deeply satisfying. The color alone, that vivid blush-to-crimson pink, makes it feel like a drink worth showing off.
Using a good fine-mesh strainer is the difference between a silky, clear syrup and a cloudy one. A quality saucepan that distributes heat evenly also keeps the rhubarb from scorching before it breaks down. These small tools really do matter when you are working with delicate fruit syrups.
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This is one of those recipes that rewards you far beyond the effort it requires. Here is what makes it stand out:
Chef's Tip: The deeper red the rhubarb stalks, the more vivid and jewel-toned your syrup will be. Green rhubarb works perfectly fine flavor-wise, but it produces a murkier, less dramatic color. If you can find bright crimson stalks, grab them.
The process is genuinely simple. You combine chopped rhubarb, sugar, and water in a saucepan and let it simmer until the rhubarb falls apart and surrenders all of its color and flavor into the liquid. Then you strain it, cool it, and you are done.
The key is patience during the simmer. Let it go a full 15 to 20 minutes over medium heat. You want the rhubarb to go from firm and pink to soft and pale, almost ghostly, because all of that flavor and color has moved into the syrup where it belongs.
A squeeze of fresh lemon at the end is optional but highly recommended. It brightens everything and gives the drink a clean finish that balances the sweetness beautifully.
Once you have your syrup, the fun really begins. A simple ratio to remember is 2 tablespoons of syrup per glass, topped up with ice and sparkling water. From there, here are a few directions to take it:
Ready to mix one up? Here is the full recipe:

This rhubarb simple syrup drink is a gorgeous balance of tart and sweet, made from scratch with fresh rhubarb and perfect for sparkling lemonades, cocktails, or mocktails.
Combine the chopped rhubarb, sugar, and water in a medium saucepan over medium heat.
Stir gently and bring the mixture to a simmer. Cook for 15 to 20 minutes, stirring occasionally, until the rhubarb has completely broken down and the liquid turns a deep pink or rose color.
Remove the pan from the heat and let the mixture cool for 10 minutes.
Pour the mixture through a fine-mesh strainer into a clean jar or bottle, pressing gently on the solids to extract as much syrup as possible. Discard the pulp.
Stir in the fresh lemon juice if using. Let the syrup cool completely before refrigerating.
To serve, fill a glass with ice. Add 2 to 3 tablespoons of rhubarb syrup and top with sparkling water or club soda. Stir lightly and garnish with a mint sprig.
Pour the cooled syrup into a clean glass jar and seal it tightly. It will keep in the refrigerator for up to 2 weeks, though it rarely lasts that long once people discover it. For longer storage, pour the syrup into an ice cube tray, freeze until solid, then transfer the cubes to a zip-top bag. Frozen rhubarb syrup cubes keep for up to 3 months and are incredibly convenient for single servings.