Honey crystallisation and storage
You open a jar of honey you bought a few months ago and find a solid, grainy mass instead of the golden liquid you remember. First reaction: has it gone off? No. Crystallisation is a perfectly natural process, and understanding why it happens — and how to manage it — is useful for anyone who keeps a good artisan honey at home.
Why honey crystallises
Honey is a supersaturated solution of sugars, mainly fructose and glucose. Over time, a portion of the glucose can separate from the liquid component and organise into crystals — a natural process whose speed depends on composition and storage conditions.
The speed of crystallisation depends on several factors:
- Botanical origin. The ratio between glucose and fructose varies from flower to flower. Acacia honey, rich in fructose, can remain liquid for a year or more — to explore the differences between varieties, read the guide to honey types. Wildflower honey, with a more variable composition, crystallises in times that depend on the batch and the predominant blooms — a few weeks, a few months.
- Temperature. Crystallisation occurs most rapidly between 10 and 15°C. At higher or lower temperatures the process slows. The freezer stops it almost entirely.
- Particles. Pollen, wax fragments and other particles present in unfiltered honey act as crystallisation nuclei, accelerating the process.
- Glucose-to-water ratio. A higher concentration of glucose relative to water generally favours faster crystallisation. Temperature, particles present and processing also determine crystal size.
Is crystallised honey still good?
Crystallisation does not mean the honey has gone off: it primarily changes the consistency and may slightly modify the sensory perception, but it remains perfectly usable.
Crystallisation is a natural behaviour and not a defect. It can be encouraged by the presence of pollen and other small particles — characteristic of a non-micro-filtered honey — but its speed alone does not allow conclusions about quality or processing. Some varieties, such as acacia, are naturally rich in fructose and can remain liquid for a long time for botanical reasons.
How to return it to liquid form
If you prefer liquid honey, you can dissolve the crystals without any problem. The correct method is a warm water bath:
- Place the tightly closed jar in a bowl with warm water kept at around 35–40°C.
- Let it warm slowly for 20–30 minutes, gently rotating the jar occasionally.
- If the water cools, replace it and repeat. A fully crystallised honey may require more than one cycle.
- Before opening the jar, dry it thoroughly. You can then stir the honey with a clean, completely dry spoon.
Do not use the microwave: the temperatures reached are difficult to control and may exceed the threshold above which some volatile components of honey are altered, resulting in a partial loss of aromatic profile.
Do not place the jar in boiling water or directly on a heat source for the same reason.
Creamed honey: controlled crystallisation
There is a processing technique called creaming or controlled crystallisation. The honey is kept at a controlled temperature and blended, often after adding a small amount of already finely crystallised honey as a "seed". This encourages the formation of small, uniform crystals resulting in a soft, spreadable consistency.
Creamed honey contains no additives and no cream. Professional results are not always achievable simply by stirring a jar at home, but even naturally crystallised honey kept in good conditions can develop a pleasant texture.
How to store honey
Honey is one of the foods with the longest natural shelf life, provided that a few basic conditions are met.
- Temperature. Store honey in a cool, dry place with a stable temperature, away from direct heat sources. The range of around 10–15°C favours crystallisation; higher temperatures slow it down but can deteriorate aroma and quality over time.
- Light. Keep it away from direct light, which can degrade some aromatic components over time.
- Moisture. Honey is hygroscopic: it readily absorbs moisture from the environment. Always keep it tightly closed. If the water content rises above a certain threshold, honey can ferment.
- Container. Glass is the best material. Avoid non-stainless metal containers that could interact with honey's natural acidity over time.
- Clean utensils. Do not use wet spoons or ones that have touched other foods: moisture and organic residues can trigger fermentation.
Florabella honey crystallises
Our Koziegłowy wildflower honey is extracted by centrifugation, not micro-filtered and not subjected to intense heating. The natural presence of pollen and small particles means it crystallises — usually within a few months of harvest, with timing that varies from batch to batch depending on the dominant blooms of that season.
We consider this normal and expected behaviour, not a defect. If you prefer the liquid version, the warm water bath described above works perfectly. You can also use it in our recipes in solid form — it dissolves easily in the heat of cooking. If you prefer it creamy, you can let it crystallise completely and stir it with a spoon to the desired consistency.
Every Florabella batch has a jar number and a precise season. Find out which one is currently available. Discover Florabella wildflower honey →
