Alien Gas XXL Auto

Intergalactic Funk with Autoflower Speed

Silent Seeds

Alien Gas XXL Auto by Silent Seeds – fast autoflower hybrid with heavy gas terps and up to 25% THC.
  • Flavours: Chem gas, earthy pine, diesel funk
  • THC: Up to 25%
  • Genetics: Alien Technology x Chemdog Auto
  • Life Cycle: 70–80 days from seed
  • Structure: Medium height, dense buds
  • Effects: Euphoric, relaxing, hard-hitting

About Alien Gas XXL Auto

About Alien Gas XXL Auto Cannabis Seeds

Out-of-this-world gas with legendary US genetics.

Alien Gas XXL Auto by Silent Seeds is a next-level autoflower that blends the elite Chemdog lineage with Alien Technology and advanced auto genetics. Expect heavy diesel funk, rich earthy tones, and a long-lasting hybrid high that hits with serious weight. With up to 25% THC and a fast finish, this strain delivers elite US terpene profiles in a discreet, fast-flowering package.

  • Flavours: Sour gas, earthy pine, chem funk
  • THC: Up to 25% – hard-hitting hybrid buzz
  • Structure: Medium height with dense, sticky buds
  • Grow Time: 70–80 days from seed
  • Effects: Relaxing, powerful and euphoric

This is Silent Seeds doing what they do best – taking big-name flavour profiles and turning them into stealthy, fast, and potent autos. Alien Gas XXL Auto is perfect for collectors who want maximum flavour and minimal hassle, backed by proven genetics and next-gen performance.

Strong, Stealthy, and Seriously Loud

If you’re all about gassy terps and full-bodied effects, this one’s a must-have for the stash. A true autoflower beast built for modern collectors.





Indoor Yes
Outdoor Yes
Cannabis Genetics Face OFF OG x MAC AUTO
Flowering Time Autoflowering
THC V.Strong
THC notes 24-28%
Height Info medium
Height notes 1.40-1.80 m
Auto flowering Yes
Autoflowering Cycle 58/63 days
Flavour Kush, petroleum, pine, lemon and spices
Flowering Outdoors Late June to late October
Yield Good
Indoor Yield 550-650 g/m2
Outdoor Yield 100-400 g/plant
Greenhouse Yes
Silent Seeds continues their mission to deliver elite autoflowers with Alien Gas Auto – a gassy, high-THC strain bred from Chemdog and Alien Technology. Designed for collectors who want serious terps and rapid results without compromise.
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