Cannabis storage — freshness guide 2026

Poor storage strips up to 50 % of actives within weeks. Here's how to keep cannabis fresh up to a year.

Ideal: 55–62 % RH (Boveda 62), <20 °C, opaque, airtight. NOT fridge/freezer — trichomes shatter. Vacuum + dark = 12+ months.

The 4 enemies

Light, oxygen, heat, humidity.

Containers

Mason jars, amber glass bottles, CVault.

Humidity packs

Boveda 62, Integra Boost — hold 2–4 months.

Long term

Vacuum + dark + cool = 12–18 months.

FAQ

Freeze?

No — breaks trichomes.

CBD oil?

Amber glass, cool, dark, upright — 18–24 months sealed.

Cannabis storage Switzerland — store it right 2026