How to Protect Your Herbs with the Right Storage Jar
Your dried herbs deserve better than a clear supermarket jar sitting on a sunlit shelf.
Whether you're storing culinary staples like chives, thyme, and rosemary, or more precious botanicals for teas and apothecary blends, the container you choose makes an enormous difference to how long those ingredients stay potent, fragrant, and vibrant.
Light is the enemy. Specifically, the visible and UV portions of the spectrum accelerate the breakdown of volatile oils, chlorophyll, and the delicate organic compounds that give your herbs their flavour, aroma, and colour.
"The taste, smell and appearance of herbs remain optimal when their bioenergetic value is prolonged — and that begins with the vessel you choose to store them in."
This guide explores the science behind light-induced degradation, compares your storage options, and shows you why Miron Violetglass has become the gold standard for serious herb enthusiasts and professional apothecaries alike.
Why UV Light Destroys Your Herbs
The visible light spectrum runs from around 380nm to 700nm. Beyond it sits ultraviolet radiation (below 380nm) and infrared (above 700nm). UV light and the high-energy end of the visible spectrum are particularly damaging — and most kitchen storage jars offer little to no UV glass protection.
Chlorophyll, essential oils, flavonoids, and terpenes — the compounds responsible for green colour, taste, and medicinal properties — are highly sensitive to these wavelengths. Once broken down, they cannot be restored.
Miron UV glass blocks the entire visible spectrum except for the violet and infrared range. Unlike amber glass — which filters UV but still admits significant visible light — Miron's violet glass provides the most comprehensive preservation available.
Clear vs Amber vs UV Glass
Clear Glass
Transmits the full visible and UV spectrum — virtually no protection against photodegradation. Herbs stored in clear glass will visibly fade and lose aromatic potency within weeks.
⚠ Poor protectionAmber Glass
Absorbs most UV radiation and some visible light, slowing degradation considerably. However, amber still permits enough visible wavelengths to gradually break down chlorophyll and volatile compounds.
◑ Moderate protectionMiron UV Glass
Blocks the full visible spectrum and all UV while transmitting only the violet–infrared window. In Miron's sensory testing, herbs retained their colour, scent, and freshness months longer than any alternative.
✓ Superior UV protectionThe Proof Is in the Chives
In a controlled three-month test, chives were stored in clear, amber, and Miron UV glass jars under identical conditions. The clear jar produced dry, grey, odourless herbs. The amber jar was better, but colour and aroma had significantly faded. The UV glass jar kept chives vibrant green and fragrant throughout.
Estimated colour & aroma retention after 3 months
The Right Jar
for Every Herb
Wide Neck Jars
Ideal for spices, seeds, dried flowers, teas, and powders in a range of heights and volumes.
Shop →Low / Stackable Jars
Short jars designed to stack neatly in a rack — beautifully functional in any kitchen.
Shop →Apothecary Jars
Elegant, timeless shapes perfect for dried herbs, bath salts, and specialty botanicals.
Shop →Oil Bottles
For herb-infused and essential oils, with matching pourer cap accessories.
Shop →6 Tips for Storing Dried Herbs Properly
Use UV glass storage
Violet UV glass blocks the full spectrum of damaging light. Clear glass, however stylish, offers zero protection.
Keep away from heat
Even UV glass suffers near a hob or oven. Heat accelerates oxidation — a cool, dark cupboard is always best.
Seal lids airtight
Oxygen degrades herbs almost as fast as light. Miron offers a full range of matching screw caps and lids.
Label with date stored
Even UV glass doesn't preserve herbs forever. Most dried herbs are at their best within 1–2 years.
Dry fully before jarring
Residual moisture leads to condensation and mould inside even the finest UV glass jar.
Store whole, not ground
Whole leaves and seeds last far longer than pre-ground. Grind only what you need.
Store Your Herbs in Miron UV Glass
Explore the full Miron Violetglass range — wide neck jars, apothecary jars, oil bottles and more.
Shop the Range Learn About Miron
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