Auto Tutankhamon

Auto Tutankhamon Cannabis Seeds by Pyramid Seeds

Auto Tutankhamon is a feminized autoflowering cannabis seed from Pyramid Seeds that produces up to 450 grams of resinous bud in just 65-75 days from seed. Built by crossing the original Tutankhamon — a strain already famous for its intense flavour and 20% THC — with Ruderalis-Indica genetics, this autoflower grows tall, finishes fast, and doesn't need you to fiddle with light schedules. Five feminized seeds per pack.

Why Auto Tutankhamon Seeds Outperform Most Autos

Most autoflowers top out around 60-90cm and promise 200-300 grams. Auto Tutankhamon reaches 110-130cm and delivers up to 450 grams — that's genuinely unusual for an auto. The extra height means more bud sites, more lateral branching, and a harvest that competes with some photoperiod strains. If you've been disappointed by small, wispy autoflowers before, this is the one that changes your mind.

The genetics behind it are straightforward. Pyramid Seeds took their original Tutankhamon — a sativa-leaning photoperiod strain with a loyal following — and crossed it with a Ruderalis-Indica hybrid. The Ruderalis side brings the autoflowering trait: the plant switches to flower on its own internal clock after roughly 20-25 days of vegetative growth, then spends 45-50 days in bloom. No 12/12 light flip required. You can run 18/6 or 20/4 from seed to harvest and she'll do her thing regardless.

That said, 110-130cm is tall for an auto, which means you need vertical space. If you're growing in a 60x60 tent with a 120cm ceiling, you'll want to factor in the distance between canopy and light. Low-stress training (LST) works well here — bend the main stem early and you'll open up the canopy without losing that height advantage. We wouldn't recommend topping an auto in general, but if you do try it, do it before day 20 while she's still in veg.

Auto Tutankhamon Grow Specifications

How Auto Tutankhamon Compares to the Photoperiod Original

The original Tutankhamon from Pyramid Seeds is a photoperiod feminized strain that produces around 500 grams with a flowering time of 60-65 days — but that's 60-65 days of flowering alone, not counting the 4-6 weeks of veg you need first. Total time from seed: roughly 100-120 days minimum, and you have to manage light schedules.

You're trading roughly 2% THC and 50 grams of potential yield for 30-50 fewer days and zero light management. For most growers — especially first-timers or anyone running a small tent — that's a trade worth making. If you're chasing maximum potency and don't mind the extra time, the photoperiod Tutankhamon is still a solid pick. But for speed and simplicity, the auto version wins.

How to Grow Auto Tutankhamon Seeds

1. Germination: Soak seeds in a glass of water for 12-24 hours until they sink, then transfer to damp paper towels in a warm, dark spot. Taproots should appear within 24-72 hours. Plant taproot-down into your final pot — autos don't like being transplanted, so skip the solo cups and go straight into your 11-15 litre container.
2. Growing medium: Light, airy soil with perlite works well. Coco coir with perlite is another strong option if you're comfortable with hand-watering or running a drip system. Avoid heavy, clay-rich soils — autoflowers need good root aeration to hit their potential in a short vegetative window.
3. Light schedule: Run 18 hours on, 6 hours off from seed to harvest. Some growers push to 20/4 for extra growth during the short veg phase. There's no need to change the schedule at any point — the plant flowers automatically.
4. Nutrients: Start light. Autoflower seedlings are sensitive to overfeeding. Begin with quarter-strength nutrients around day 10, building to half-strength by week 3. Once flowering kicks in around day 20-25, switch to bloom nutrients and increase gradually. Back off in the final week for a cleaner finish.
5. Training: LST (low-stress training) is your best friend here. Gently bend the main stem outward from day 14-18 to expose lower bud sites. With a plant that reaches 110-130cm, opening up the canopy makes a real difference to light penetration and overall yield.
6. Harvest timing: Check trichomes with a jeweller's loupe from day 60 onwards. You're looking for milky-white trichomes with a few turning amber. Mostly milky gives a more cerebral effect; more amber leans heavier. Most plants finish between day 65 and 75.

What to Expect: Flavour, Aroma, and Resin

Auto Tutankhamon inherits the original's intense, skunky aroma with a sharp citrus edge that fills the room during the last two weeks of flower. The buds come out dense and absolutely caked in trichomes — this is a 20% THC strain, and it looks the part. When you break a dried bud open, you get that sticky, resinous snap that tells you the cure went well. The smell is pungent enough that a carbon filter is non-negotiable if you're growing indoors and want to stay discreet.

The sativa-leaning genetics from the original Tutankhamon come through in the structure: long, tapered buds with a good calyx-to-leaf ratio, which makes trimming less of a chore than bushier indica-dominant autos. If you're growing for extracts or concentrates, the resin production on this strain makes it a strong candidate.

Honest Limitations

No strain is flawless, and Auto Tutankhamon has a couple of things worth knowing before you buy. First, the 450-gram yield is achievable but it's the upper end — you'll need good light (at least 300W of LED), proper nutrients, and a decent-sized pot to get there. In a windowsill grow or a small tent with weak lighting, expect less. Second, the 110-130cm height can be a problem in shorter tents. If your grow space has less than 150cm of usable vertical room after accounting for the light, you'll need to train aggressively or consider a shorter auto instead.

The smell is also intense. We've had customers mention that even with a carbon filter, the last two weeks of flower push the limits. If stealth is critical, plan your ventilation carefully.

Frequently Asked Questions

Last updated: April 2026