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Red shiso is a warm-season herb known for its upright growth and broad, textured leaves with a distinct coloration. It develops branching stems and produces small flower spikes during the growing season. This plant grows well in warm to temperate climates and performs best in full sun to partial shade with well-drained, fertile soil. Red shiso establishes steadily and is suitable for garden beds, borders, and container planting, adapting well to various growing conditions.
Features
- Upright herb with broad, textured foliage
- Develops branching stems with seasonal growth
- Produces small flower spikes during the season
- Suitable for warm and temperate climates
- Adaptable to garden beds, borders, and containers
Specifications
- Scientific name: Perilla frutescens var. crispa
- Common name (US): Shiso
- Seed type / variety: Red
- Growth habit: Upright, branching annual
- USDA zones: 2–11 (grown as annual)
- Planting season: Spring to early summer
- Growing season: Warm season
- Sowing Season: February to May
- Germination time and conditions: 7–14 days at 20–25°C
- Sunlight requirements: Full sun to partial shade
- Soil requirements: Well-drained, fertile soil
- Watering needs: Moderate, consistent moisture
- Mature plant size: 45–90 cm height, 30–45 cm spread
- Plant spacing: 25–30 cm between plants
