Perilla vs Basil for Hydroponic Growing (2026)
Basil produces 25–40 g in 21–28 days and is day-length neutral; perilla requires more than 14 hours of light to stay vegetative (it is a short-day plant that flowers at shorter photoperiods) and yields 25–45 g in 28–40 days - basil is the simpler, faster crop and perilla is the specialist Asian-market herb.
Last updated
Basil and perilla (shiso) are both aromatic culinary herbs used in Asian cuisine, but they behave differently under artificial light. Basil is day-length neutral and produces well from 14–16 h of light. Perilla is a short-day plant: it flowers (and becomes less useful as a leaf herb) when light falls below 14 h/day. This means perilla requires strict photoperiod management above 14 h at all times to remain vegetative - a constraint basil doesn't share.
Side-by-Side Comparison
| Feature | Perilla | Basil | |---------|---------|-------| | Difficulty | Easy | Easy | | Days to First Harvest | 28–40 | 21–28 | | pH Range | 5.5–6.5 | 5.5–6.5 | | EC Range (mS/cm) | 1.0–1.8 | 1.0–1.6 | | Light (h/day) | 14+ (must not drop below 14) | 14–16 | | Water Temp (°C) | 18–24 | 18–24 | | Yield per Plant | 25–45 g | 25–40 g/cycle | | Key Flavour Profile | Anise, cinnamon, complex | Sweet, clove-like |
Where Perilla Wins
- Slightly higher yield ceiling (45 g vs basil's 40 g per cycle).
- More complex, distinctive flavour profile - essential for Japanese (shiso) cuisine with no substitute.
- Wider EC range (up to 1.8 vs basil's 1.6) allows richer nutrient solutions.
Where Basil Wins
- 7–12 days faster to harvest (21 days vs perilla's 28-day minimum).
- Day-length neutral - no risk of accidental flowering from light schedule slippage.
- Higher universal culinary demand; easier to sell in Western markets.
Growing Them Together
Both share pH 5.5–6.5, EC 1.0–1.6, and identical water temperature (18–24°C). The catch: both need 14+ h of light - perilla because it flowers below 14 h, and basil because it performs best at 14–16 h. Running 15 h satisfies both comfortably. They can share the same system with no EC or pH conflicts.
Which Should You Grow?
- Choose Basil if you want the faster crop, simpler light management, and broader market demand.
- Choose Perilla if you supply Japanese restaurants, Asian grocery stores, or specialty herb customers - and can guarantee 14+ h of light at all times.
- Grow both if your grow room runs 15 h/day - both stay vegetative, share identical parameters, and give you complementary Asian herb production from one system.