Cannabis simple syrup is one of the most flexible infused ingredients you can keep on hand. A spoonful sweetens coffee, lemonade, iced tea, mocktails, or cocktails, letting you turn almost any beverage into an edible. Because simple syrup is just sugar and water, the main challenge is getting fat-soluble cannabinoids to blend into a water-based liquid, which is why the choice of infusion method matters so much. This guide covers the easiest and most reliable approaches, gentle cooking, dosing, and how to store your syrup safely.
Choosing Your Infusion Method
The biggest decision is how to get cannabinoids into a watery syrup, since they do not naturally dissolve in water. The simplest and most reliable route is to use a finished cannabis tincture. Because a tincture is already an extracted, concentrated liquid, you can stir a measured amount into cooled simple syrup and it blends in far more easily than raw flower ever would. This method also gives you the most control over dosing, which is a real advantage for drinks.
If you prefer to infuse from flower directly, you will first need to decarboxylate it, since raw cannabis contains inactive THCA that only becomes active THC with heat. Decarbing matters because it determines whether your syrup works at all. After decarbing flower in a low oven, around 220 to 245 degrees Fahrenheit for about half an hour, you can simmer it gently in the syrup, but you will likely need an emulsifier such as sunflower lecithin to help the cannabinoids stay suspended, and you will need to strain out the plant material afterward.
Cooking the Syrup
The base syrup is straightforward: combine equal parts sugar and water in a saucepan and warm over low to medium heat, stirring until the sugar fully dissolves. Keep the heat gentle and avoid a hard boil. Once the sugar has dissolved into a clear syrup, reduce the heat to low before introducing any cannabis, because high temperatures can degrade cannabinoids and ruin all your careful preparation.
If you are infusing from decarbed flower, add it now along with a little lecithin, keep the syrup at a bare simmer for a stretch of time so the cannabinoids migrate in, then strain thoroughly through cheesecloth. If you are using a tincture, the easier path, let the plain syrup cool somewhat first, then stir in your measured tincture and mix well so it disperses evenly. Stirring thoroughly is important, because uneven distribution leads to inconsistent doses from spoonful to spoonful.
Dosing, Using, and Storage
Homemade potency is difficult to predict, especially in drinks where it is easy to keep sipping. When using your syrup for the first time, add only a small measured amount to a single drink, then wait at least 1 to 2 hours before having any more, since a cannabis drink is still an edible and can take 30 minutes to 2 hours to take effect, lasting for hours afterward. The pleasant, sweet flavor makes it easy to underestimate how much you have consumed, so measure deliberately.
Store the finished syrup in a clean, airtight, clearly labeled bottle in the refrigerator, where it generally keeps for a couple of weeks. Shake or stir it before each use, since infused components can settle over time. Always keep it well away from children and pets, and label it unmistakably so it is never confused with ordinary simple syrup. Effects vary between individuals, and this is general information, not medical advice.
Frequently Asked Questions
Why is a tincture the easiest way to make cannabis simple syrup? A tincture is already a concentrated, extracted liquid, so it stirs into cooled syrup far more readily than raw flower, which is fat-soluble and resists mixing into water. Using a tincture also lets you measure the dose more precisely, making it the most beginner-friendly approach.
How long does cannabis simple syrup keep? Stored in an airtight bottle in the refrigerator, it usually lasts about two weeks, similar to regular simple syrup. Keep it clearly labeled and out of reach of children and pets, and give it a shake before each use since the infused components can settle.
How much should I use in a drink? Start with a small, measured amount in a single beverage, since homemade potency is unpredictable. Wait at least 1 to 2 hours before adding more, because the drink is an edible with a delayed onset. Measuring carefully prevents the easy mistake of sipping your way to too high a dose.