How to Sow Super Green Perilla Shiso Seeds 

Super Green Perilla, commonly known by its Japanese name shiso, is a staple in Asian cuisine, particularly in Japanese cooking. Known for its distinct cinnamon-like flavour, this versatile herb can be used as an ingredient or garnish, enhancing dishes such as soups, stews, salads, sushi, and sashimi. This green variety has a stronger taste than red perilla and is perfect for adding an extra splash of flavour to culinary creations. 

Sowing Guide for Super Green Perilla Shiso Seeds 

Indoor Sowing 

• Timing: Sow seeds indoors at any time of the year for a consistent supply. 
• Containers: Use pots or seed trays filled with high-quality, free-draining seed compost. Avoid overwatering, as excess moisture can cause seeds to rot. 
• Sowing Depth: Spread seeds finely on the compost surface and cover lightly with a thin layer of compost or vermiculite. 
• Germination Conditions: Maintain temperatures of over 21°C (70°F) and keep the soil moderately moist. Avoid direct sunlight until seedlings emerge, which typically takes 14-28 days. 

Outdoor Sowing 

• Timing: Sow seeds outdoors from April through mid-summer, ensuring there is no risk of frost. 
• Preparation: Choose a well-drained location with partial shade to full sun. Prepare the soil by loosening it and adding organic matter to improve fertility. 
• Sowing Depth: Scatter seeds finely over the prepared soil and cover lightly with a thin layer of soil. Firm gently and water lightly to settle the seeds. 

Caring for Super Green Perilla Shiso Plants 

• Light Requirements: Once seedlings emerge, provide plenty of light to promote healthy growth. If growing indoors, place pots on a sun-facing windowsill or under grow lights. 
• Watering: Keep the soil consistently moist but not waterlogged. Overwatering can damage the plants, while dry soil may hinder growth. 
• Frost Protection: Do not transplant seedlings outdoors until all risk of frost has passed and the stems are thick enough to handle. 
• Indoor Growth: Green perilla thrives as a windowsill herb, providing a pleasant aroma and a continuous supply of fresh leaves. 

Harvesting Super Green Perilla Shiso 

• Maturity: Plants typically reach full maturity within 70 days under ideal conditions. Cooler temperatures may extend this time. 
• Harvesting Leaves: Pick leaves regularly to encourage new growth and ensure a steady supply. Fresh leaves are ideal for garnishing and enhancing a variety of dishes. 

Common Questions About Growing Perilla Shiso in the UK 

Can I grow Perilla Shiso outdoors in the UK? Yes, but it is best to wait until the weather is consistently warm and there is no risk of frost. Late spring to mid-summer is ideal for outdoor sowing. 

Does Perilla Shiso require a lot of care? Perilla Shiso is a low-maintenance plant once established. It requires regular watering, sufficient light, and protection from frost during its early stages. 

How long does it take to harvest Perilla Shiso? You can begin harvesting leaves once the plants have reached full maturity, typically around 70 days after germination. 

By following these steps, you can successfully grow Super Green Perilla Shiso from seed, whether indoors or outdoors. This aromatic herb will not only enhance your cooking but also add beauty and fragrance to your home or garden. 

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