Why Does Raw Honey Crystallise? Storage, Shelf Life and How to Soften It Safely

Quick answer: Raw honey crystallises because natural sugars, especially glucose, separate from the liquid part of the honey and form tiny crystals. This is completely normal and does not mean the honey has gone bad. In fact, crystallisation is often a sign that honey has not been heavily processed.

If you have opened a jar of raw honey and noticed it becoming cloudy, grainy, thick, or solid, there is usually no need to worry. Crystallised honey is still safe to eat as long as it smells normal, has been stored properly, and shows no signs of fermentation or contamination.

What Is Honey Crystallisation?

Honey crystallisation is the natural process where honey changes from a runny liquid into a thicker, grainy, creamy, or semi-solid texture. It can happen slowly over months, or sometimes much faster depending on the type of honey and how it is stored.

Raw honey contains natural sugars, enzymes, pollen traces, and tiny particles from the hive. These natural elements can encourage crystals to form over time. This is one reason raw honey may crystallise more easily than heavily filtered or heat-treated honey.

Why Does Raw Honey Crystallise?

Raw honey crystallises mainly because of its natural sugar balance. Honey contains glucose and fructose. Glucose is less soluble, which means it is more likely to separate and form crystals.

Several factors can affect how quickly honey crystallises:

• Glucose content: Honey with more glucose usually crystallises faster.
• Temperature: Cool storage conditions can speed up crystallisation.
• Pollen and natural particles: Raw honey may contain tiny particles that give crystals a place to form.
• Floral source: Different flowers produce honey with different sugar profiles.
• Moisture level: Honey with the right moisture balance stores well, while excess moisture can increase fermentation risk.

Is Crystallised Honey Safe to Eat?

Yes, crystallised honey is usually safe to eat. It has simply changed texture. You can spread it on toast, stir it into warm drinks, drizzle it over porridge, or use it in recipes just like liquid honey.

However, do not use honey if it smells sour, appears foamy, bubbles, tastes fermented, or shows signs of mould or contamination. These may be signs that the honey has not stored correctly.

Important safety note: Honey should not be given to babies under 12 months old.

Does Crystallisation Mean Honey Is Pure?

Crystallisation can be a good sign that honey has not been overly processed, but it is not a guaranteed test of purity. Some genuine honeys crystallise quickly, while others stay runny for a long time. The speed depends on the floral source, sugar balance, storage temperature, and filtering process.

So, if your raw honey crystallises, that is normal. If it stays liquid, that can also be normal depending on the type of honey.

Does Yemeni Sidr Honey Crystallise?

Yemeni Sidr honey can crystallise over time, although the speed and texture can vary from jar to jar. Because Sidr honey comes from the nectar of the Sidr tree, its natural composition may differ from other raw honeys.

Some jars may remain smooth and runny for longer, while others may become thicker or lightly crystallised. This natural variation does not mean the honey is faulty.

If you are shopping for premium raw honey, you can explore our honey collection here: Herbal Stems raw honey collection.

How to Soften Crystallised Honey Safely

If you prefer runny honey, you can gently soften crystallised honey using warm water.

1. Place the closed honey jar in a bowl of warm water.
2. Let it sit for several minutes.
3. Stir gently if needed.
4. Repeat until the honey reaches your preferred texture.

Avoid boiling the honey or placing it directly in a pan over high heat. Strong heat can affect the natural flavour, aroma, and quality of raw honey.

Should You Microwave Crystallised Honey?

It is better not to microwave raw honey. Microwaving can heat honey unevenly and may make it too hot too quickly. A warm water bath is gentler and gives you better control.

How to Store Raw Honey Properly

Good storage helps preserve the quality, taste, and texture of raw honey.

• Store honey in a cool, dry cupboard.
• Keep the lid tightly closed.
• Avoid getting water into the jar.
• Keep honey away from direct sunlight.
• Do not store honey in the fridge, as this can speed up crystallisation.

Does Raw Honey Expire?

Honey is known for having a very long shelf life when stored correctly. Over time, it may darken, thicken, or crystallise, but these changes do not automatically mean it has expired.

The most important thing is to keep the jar sealed and avoid moisture getting inside. Water can affect honey quality and may increase the risk of fermentation.

Common Myths About Crystallised Honey

Myth 1: Crystallised honey is fake

This is not true. Real honey can crystallise naturally.

Myth 2: Crystallised honey has gone bad

Usually, no. Crystallisation is a texture change, not spoilage.

Myth 3: Only raw honey crystallises

Many types of honey can crystallise, although raw honey may crystallise more easily because it contains more natural particles.

Myth 4: Heating honey always ruins it

Gentle warming is fine if done carefully. The key is to avoid overheating.

FAQ: Raw Honey Crystallisation

Why has my raw honey turned solid?

Your raw honey has likely crystallised. This happens when natural glucose forms crystals. It is normal and does not usually mean the honey has spoiled.

Can I still eat honey after it crystallises?

Yes, crystallised honey is usually safe to eat. Only avoid it if it smells sour, bubbles, foams, or appears contaminated.

How do I make crystallised honey runny again?

Place the sealed jar in warm water and allow it to soften slowly. Stir gently if needed.

Should raw honey be kept in the fridge?

No. It is better to store raw honey in a cool, dry cupboard. Refrigeration can make crystallisation happen faster.

Is crystallised honey better than runny honey?

Not necessarily. Crystallised and runny honey can both be high quality. The texture depends on the honey type, storage conditions, and natural sugar balance.

Does crystallisation prove honey is raw?

No. Crystallisation can suggest minimal processing, but it does not prove that honey is raw or authentic on its own.

Final Thoughts

Raw honey crystallisation is a natural process and is usually nothing to worry about. If your honey becomes thick, cloudy, or grainy, it has most likely changed texture rather than gone bad.

You can enjoy crystallised honey as it is, or gently warm the jar in water to make it runny again. Store your honey in a cool, dry place, keep the lid closed, and avoid moisture entering the jar.

For premium raw honey options, visit the Herbal Stems honey collection.

Sources

• University of Minnesota Bee Lab: Honey crystallisation and storage guidance
• Purdue Extension FoodLink: Honey storage information
• UK Food Standards Agency: Honey safety guidance for infants