Stash Jar

A stash jar is an airtight container designed to keep flower fresh, potent, and odor-free during storage. Proper storage preserves terpenes, prevents moisture issues, and maintains quality over time.

Key features:

  • Airtight seal prevents moisture exchange and odor escape
  • UV-protective or opaque materials block light degradation
  • Food-grade materials don't affect flavor
  • Various sizes for different storage needs
  • Often includes humidity control compatibility

Material matters for preservation. Glass is ideal — it's chemically inert (doesn't interact with your flower), easy to clean, and doesn't retain odors between different varieties. Many quality stash jars use UV-protective colored glass (usually amber or purple) that blocks light degradation. Ceramic works similarly well. Food-grade stainless steel is durable and light-blocking, but less common. Avoid plastic for long-term storage — it can impart flavors and doesn't seal as effectively over time.

The seal is crucial. Look for jars with rubber gaskets or similar sealing mechanisms that create a truly airtight closure. Mason-style jars work well if they're food-grade and the seal is good. Specialty stash jars often feature locking mechanisms or child-resistant closures that also enhance the seal.

Size considerations depend on usage patterns. Individual-strain jars (with capacities ranging from half-ounce to ounce) allow you to store different varieties separately without mixing flavors. Larger jars are suitable for bulk storage, but they mean opening and exposing everything each time you access them. Many people use multiple smaller jars rather than one large one.

Using your stash jar: Store flower at stable room temperature away from direct light and heat sources. Don't refrigerate or freeze — temperature cycling creates condensation that leads to mold. Fill jars, but don't pack them completely full — some air space is fine. Check periodically for moisture buildup on the inside of the jar — if you see condensation, your flower was too wet when stored and needs additional drying or curing time in a less airtight container. Many people use humidity control packs (small packets that maintain a relative humidity of 55%-62%) inside jars for optimal preservation. Clean jars between varieties to prevent flavor mixing. Label jars with strain and storage date to track freshness.