Big Auto Tao

Big Auto Tao Cannabis Seeds by Top Tao Seeds

Big Auto Tao is an autoflowering cannabis seed from Top Tao Seeds that combines Indica, Sativa, and Ruderalis genetics into a single high-yielding hybrid. It took 1st place in the indoor category of the 2012 Soft Secrets Cannabis Cup — and once you see the trichome-coated buds with their fiery red pistils, you'll understand why the judges were convinced. This is a seed bred for growers who want reliable results without fussing over light schedules.

Why Big Auto Tao Seeds Deserve a Spot in Your Grow

Top Tao Seeds built Big Auto Tao by crossing two of their own proven strains: Super Auto Tao and Taomatic. That's not some random pairing — both parents were already established performers in the Top Tao catalogue, and the offspring inherited the best traits from each side. The Ruderalis genetics mean the plant flowers automatically regardless of your light cycle, while the Indica and Sativa parentage delivers the resin production and bud structure that make harvest day actually exciting.

We'd pick this one over most autoflowers in the same bracket for a simple reason: the yield-to-effort ratio is genuinely impressive. Short internodal distances mean the plant stacks buds close together, and those buds grow to a decent size. The result is a plant that looks like it's wearing a fur coat of trichomes by week 12. The fruity terpene profile comes through clearly when you crack a bud open — think ripe stone fruit with a sweet undertone. It's the kind of smell that makes you want to just stand there and inhale for a minute.

The honest limitation? THC sits at 10-15%, so if you're chasing face-melting potency, this isn't your strain. But that moderate range is actually a strength for a lot of growers. The effects lean towards a gentle, relaxing body sensation with a mild uplifting quality — the kind of smoke you can enjoy in the afternoon without writing off the rest of your day. According to a review in the British Journal of Pharmacology, cannabis terpenes may work in combination with cannabinoids to produce varied effects beyond THC content alone (Russo, 2011), which helps explain why Big Auto Tao punches above its THC percentage.

Big Auto Tao Growing Specifications

Big Auto Tao Compared to Other Autoflowers

If you're weighing up Big Auto Tao against other autoflowering seeds, the key differentiator is the combination of yield potential and manageable height. A lot of autos either stay tiny and produce modest harvests, or stretch tall and become unruly indoors. Big Auto Tao sits in the sweet spot — it can reach 200cm outdoors with plenty of room, but indoors at around 100-120cm it stays compact enough for a standard tent while still producing substantial bud sites thanks to those tight internodal gaps.

The trade-off is time. At 12-14 weeks, Big Auto Tao takes longer than many quick-turnaround autos that finish in 8-10 weeks. That extra month is where the yield comes from. If speed is your only priority, a faster auto might suit you better — but you'll sacrifice bud density and overall harvest weight. We'd say the extra few weeks are well worth it.

How to Grow Big Auto Tao Seeds

1. Germinate your Big Auto Tao seeds using the paper towel method or directly in a small pot of moist, airy soil. Taproots typically emerge within 24-72 hours.
2. Transplant seedlings into their final container early — autoflowers don't respond well to transplant stress, so move them before the second set of true leaves. An 11-15 litre pot works well for indoor grows; outdoor plants can go larger.
3. Provide 18-20 hours of light per day indoors. Because Big Auto Tao is autoflowering, it doesn't need a light cycle change to trigger flowering. A consistent 18/6 or 20/4 schedule from seed to harvest is standard practice.
4. Keep temperatures between 20-26°C and humidity around 50-60% during vegetative growth, dropping to 40-50% once buds begin forming to reduce mould risk.
5. Feed lightly during the first 2-3 weeks, then gradually increase nutrients as the plant enters its flowering phase around week 4-5. The Indica genetics make this strain reasonably forgiving with feeding.
6. Watch for the trichomes to shift from clear to milky white around weeks 12-14. The fiery red pistils will also darken and curl inward. Harvest when roughly 70-80% of trichomes are milky for the balanced effect this strain is known for.
7. Dry harvested buds in a dark, ventilated space at 18-21°C for 7-10 days, then cure in airtight glass jars for at least 2 weeks. This is where those fruity terpenes really develop — don't rush it.

Who Should Grow Big Auto Tao?

This strain works best if you want a reliable autoflower that actually yields enough to make the grow worthwhile. The automatic flowering removes the complexity of managing light cycles, which is a genuine advantage if you're running a simple indoor setup or growing outdoors in a climate where daylight hours are unpredictable. The plant handles both environments without complaint.

Experienced growers will appreciate the dense bud structure and resin production — there's enough here to justify the time investment. If you're newer to growing, the forgiving nature of the Indica genetics and the automatic flowering make Big Auto Tao a solid choice for building confidence. The one caveat: at 12-14 weeks, this isn't a quick-turnaround strain. You need patience. But every grower we've spoken to who's run Big Auto Tao says the same thing — the harvest makes the wait worthwhile.

According to research on cannabis genetics, the combination of Indica, Sativa, and Ruderalis genes creates plants with varied growth characteristics and resilience (molecular profiling study, 2024). Big Auto Tao's triple-heritage genetics are a practical example of this — the Ruderalis provides autoflowering capability, the Indica contributes compact structure, and the Sativa adds height potential and terpene complexity.

Frequently Asked Questions

Last updated: April 2026