Technical Specifications
| Feature | Botanical / Cultural Detail |
|---|---|
| Botanical Name | Perilla frutescens |
| Common Names | Tía Tô, Vietnamese Perilla, Shiso, Beefsteak Plant, Purple Perilla |
| Seed Count | 2 packs × 800 seeds |
| Plant Type | Warm-season culinary herb (annual; mint family) |
| USDA Hardiness Zones | Grown as an annual in Zones 2–11 (frost-sensitive) |
| Sunlight Need | Full sun to part shade (afternoon shade helps in intense heat) |
| Water Requirement | Moderate — steady, even moisture |
| Soil Preference | Ordinary moist, well-draining soil (pH 5.5–6.5) |
| Plant Height / Spread | 18–36 in (45–90 cm) tall / 8–12 in (20–30 cm) spread |
| Germination Time | 10–21 days at 65°F–75°F (18°C–24°C) — needs light |
| Harvest | Cut-and-come-again leaves through the warm season |
The Fragrant Purple-Backed Herb of the Vietnamese Table
Tía Tô — Vietnamese perilla (Perilla frutescens), also called shiso or beefsteak plant — is one of the defining herbs of Vietnamese cooking, prized for its two-toned leaves and warm, unmistakable fragrance. The broad, toothed leaves are green on top and a deep magenta-purple beneath, and when torn they release a complex, minty aroma with notes of anise, basil, and a hint of cinnamon. That purple underside and bold perfume set Vietnamese tía tô apart from the all-green Japanese shiso — and they’re exactly what a Vietnamese cook reaches for.
Key Highlights & Benefits
- Signature Vietnamese Flavor: A finishing herb for phở, bún, canh, cháo, summer rolls, and grilled meats.
- Cut-and-Come-Again: Pick outer leaves as needed for a long, productive harvest.
- Heat-Loving & Easy: Shrugs off summer heat and humidity that tire other herbs.
- Self-Renewing: Let a plant or two flower and it reseeds into a permanent patch.
- Ornamental Too: Purple-flushed foliage adds color to herb beds and containers; late flowers draw bees.
Master Sowing & Growing Guide
1. Location & Timing
- When: Start seed indoors 4–6 weeks before the last frost, or direct-sow once nights stay reliably in the mid-40s to mid-50s°F.
- Location: Full sun to part shade in ordinary moist, well-draining soil.
2. Sowing Method
- Light Required: Seeds need light to germinate — press gently onto the surface of a moist mix; do NOT bury. This is the most common reason perilla seed fails to sprout.
- Warmth: Keep warm and damp; expect 10–21 days.
3. Spacing & Pinching
- Thin or set plants 8–12 inches apart.
- Once a few inches tall, pinch the growing tips regularly to keep plants bushy, leafy, and to delay flowering — well-pinched plants stay productive far longer.
4. Harvest & Self-Seeding
- Harvest cut-and-come-again, taking the most leaves before the plant flowers, when foliage is most tender and fragrant.
- Tía tô is an enthusiastic self-seeder — snip flower spikes to control spread, or let one go to seed for a self-renewing patch.
Kitchen & Garden Applications
- Fresh Herb Plate (rau sống): Piled beside noodle bowls of bún and heaped into summer rolls and lettuce wraps.
- Hot Dishes: Torn leaves stirred into canh and cháo at the last moment for a bright, spicy lift.
- Classic Pairings: Traditionally served with snails and shellfish, beef, and simple egg-and-rice dishes.
- Containers by the Kitchen: A wide, shallow pot keeps it tidy and fresh leaves within reach.
Common Growing Problems & Solutions
- Seeds Won’t Germinate: Cause: seed buried (needs light). Fix: surface-sow and press in gently; keep warm and moist.
- Plants Bolting to Flower Early: Cause: no pinching / stress. Fix: pinch tips regularly and remove flower spikes to prolong leaf harvest.
- Leggy, Sparse Growth: Cause: too little light or no pinching. Fix: give more sun and pinch to encourage bushy branching.
Frequently Asked Questions
Is Vietnamese tía tô the same as Japanese shiso?
They’re the same species (Perilla frutescens) but different types. Vietnamese tía tô has leaves green on top and purple underneath with a bolder, anise-cinnamon perfume, while Japanese shiso is often all-green (or all-red). This listing is the two-toned tía tô style.
How many seeds are included?
This listing includes 2 packs × 800 Vietnamese Perilla (Perilla frutescens) seeds.
Why won’t my perilla seeds sprout?
Perilla seeds need light to germinate. Don’t bury them — press them onto the surface of a moist mix and keep warm. Burying the seed is the most common cause of failure.
Does tía tô come back every year?
It’s grown as an annual, but it self-seeds readily. Let a plant or two flower and it will often return the following spring as volunteer seedlings.
Storage & Quality Assurance
- Seed Freshness: Packed to maintain viability; leaf color, aroma, and growth vary with climate, sun, and harvest frequency.
- Storage Instructions: Store unused seed cool, dry, and sealed; label clearly to avoid mixing with sesame, basil, or other small herb seeds.
- Package Includes: 2 seed packets containing 800 Vietnamese Perilla (Perilla frutescens) seeds each. Where perilla is considered weedy, remove flower spikes before seed drop and check local rules.







