HERB ‘Green Shiso’ Seeds
Botanical Name: Perilla frutescens
- Also known as perilla, this aromatic annual herb is prized in Japanese, Korean, and Vietnamese cuisine.
- Attractive green, serrated leaves with a refreshing, slightly spicy flavour.
- A favourite among chefs as a micro herb for garnishes and flavour accents.
- Fast-growing and suitable for both garden beds and microgreen production.
Plant Details
- Plant Type: Frost-tender annual
- Plant Height: 60–90 cm
Sowing Information
- Germination: 14–21 days @ 19–21°C
- Depth: Sow 1 mm deep
- Position: Full sun to part shade
- Sow Where: Start indoors or direct sow in garden beds after frost
- Soil Type: Rich, well-drained soil
- Spacing: 30 cm between plants
Growing Tips
- Do not sow too early outdoors—wait until all danger of frost has passed.
- Pinch back growing tips to encourage bushy growth and prevent early flowering.
- Keep soil moist but not soggy during germination and early growth.
Harvest
70–80 days to maturity. Harvest leaves as needed once plants are well established.
When to Sow Green Shiso in Your Climate
| Climate Zone | Best Planting Time | Tips |
|---|---|---|
| Temperate | Spring and early summer | Sow after last frost. Prefers warm, moist conditions. |
| Subtropical | Spring and Autumn | Avoid peak summer heat. Mulch to retain soil moisture. |
| Tropical | Autumn and Winter | Grow during cooler dry months for best leaf quality. |
| Cool | Late Spring | Start indoors if frosts persist into spring. Harden off before transplanting. |
| Arid | Spring and Autumn | Provide light afternoon shade and water regularly. |
How to Grow Green Shiso as Microgreens
- Sow rate for a 10 x 20″ tray: 28 grams
- Soak seeds for 12–24 hours before sowing
- Fill tray with approx. 3 cm of organic soil or potting mix and cover with vermiculite
- Ensure microgreens have good airflow, light, and consistent moisture
- Keep in a well-lit spot and water daily with a spray bottle or mist system
Harvest (Microgreens): Ready to harvest in approximately 3 weeks. Cut above the soil line with clean scissors.