We're offering you a Mushroom Windowsill Kit King Oyster for £9.99, saving you up to 41% off Thompson and Morgan's's price of £16.99 (correct as of 11.12.2025).

King Oyster Mushrooms

Grow Gourmet Mushrooms at Home

Bring the fascination of mushroom cultivation right to your kitchen with the King Oyster Mushroom Windowsill Kit. This easy-to-use kit lets you grow Pleurotus eryngii, known for its meaty texture and mild, savoury flavour. King Oyster mushrooms are prized in Asian and European cuisines—now you can enjoy them freshly picked from your own home!

Plant Benefits & Growth Characteristics

• Edible Fungi: Produces robust, thick-stemmed mushrooms with a delicate flavour—perfect for stir-fries, grills, or risottos.
• Fast Results: Expect harvest-ready mushrooms within 1–2 weeks of starting your kit.
• Year-Round Growing: Designed for indoor use, this kit thrives on a windowsill with indirect sunlight at any time of year.
• No Soil Needed: Grows from a pre-prepared substrate—just mist daily with water to maintain humidity.

Growing Guide & Care Instructions

• Light: Place the kit in bright, indirect light—avoid direct sunlight which can dry out the substrate.
• Water: Mist the growing medium daily to keep it moist but not soggy; do not let it dry out.
• Temperature: Ideal growing temperatures are between 16–22b0C (60–72b0F).
• No Fertiliser Needed: The kit contains all nutrients required for healthy mushroom growth.
• Mature Size: Each mushroom can reach up to 15cm tall with thick, succulent stems.

Usage Ideas & Companion Planting

• Culinary Uses: Add freshly harvested King Oyster mushrooms to pasta, soups, or grilled vegetable dishes for a gourmet touch.
• Keeps Your Kitchen Green: Pairs well with other indoor edible kits like herbs or microgreens for a complete home-grown ingredient selection.

FAQs

• When is the best time to start the kit?
  The kit is suitable for starting at any time of year indoors—just ensure you have a spot with indirect light and stable room temperature.
• How much care does it require?
  The kit needs only daily misting and indirect light. No special skills or equipment are required.
• How long will the harvest last?
  You can expect several flushes of mushrooms over a few weeks if you continue to care for the substrate after each harvest.