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CULINARY NOTES
DESCRIPTION  

A precision mold designed for home growers who want to create their own substrate from scratch.
Shape your grow block to perfectly fit the JARRA vessel and achieve optimal growing conditions every time.

Specifications  

Pleurotus ostreatus (Blue Oyster) is a beginner-friendly mushroom species known for its mild, savory flavor and versatility in cooking. The spawn is produced in the USA, while the species’ natural habitat spans Europe and North America. Rich in protein, fiber, antioxidants, and B-vitamins, Blue Oyster mushrooms typically produce their first flush within 7–14 days under proper growing conditions and are capable of yielding multiple harvests from a single block.

Shipping Information  

Shipping is available across the continental U.S. for a flat rate of $20.Orders are processed within 1–3 business days and typically arrive within 3–7 business days.Mushroom spawn and biological items may ship separately.If your order includes both a JARRA vessel and spawn, items may arrive in separate packages — however, we always make every effort to ship them together whenever possible.

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JARRA DIY Spawn Mold
JARRA DIY Spawn Mold

JARRA DIY Spawn Mold

Quantity
  • 3–7 business days

FAQ

Will I really succeed in growing mushrooms with JARRA, even if I’ve never grown plants before?  

Absolutely. JARRA is designed for beginners — it’s even easier than keeping houseplants alive. Just add water and let nature do the rest.

Where should I place my JARRA at home?  

The vessel thrives in a bright room with good airflow — most people place it in the kitchen, where it naturally becomes part of daily life. Its minimalist ceramic design blends beautifully into any space.

How much time and effort does JARRA require?  

Almost none — just the fun part: keep the vessel’s channel filled with water and mist the mushrooms when needed (each variety has simple instructions). No sunlight, fertilizer, or complex care is required. Enjoy the experience of watching your mushrooms grow right before your eyes.

How long does it take to see mushrooms?  

Usually 7–14 days to your first flush, depending on the variety and conditions.

How many fresh mushrooms can I expect from oneJARRA vessel?  

Typically 200–600 grams per vessel, depending on variety and growing conditions. With every grow you gain experience, and yields often improve over time. Each kit is designed for one main flush, and with the right care you can sometimes encourage a second harvest.

Why grow mushrooms at home instead of buying at thestore?  

Home-grown mushrooms are fresher and cleaner — grown on a pure substrate in a ceramic vessel at home, free from heavy metals and pollutants. You control what goes into your food. And truly, there’s nothing like eating food you’ve grown yourself.