Critical XXL Auto cannabis seeds by Herbies Seeds


An autoflowering version of the Critical XXL strain, this mostly Indica pheno produces a happy and pleasant cerebral high on the onset that transitions into deep bodily relaxation over time – an ideal choice for an evening or weekend toke!

Technical details

  • Breeder: Herbies Seeds
  • Genotype: 85% Indica / 15% Ruderalis
  • Dominant terpene: Unknown
  • Genetic lineage: Skunk #1 x Afghani x Critical Mass x Ruderalis strain
  • Medicinal use: Stress, anxiety, depression, chronic pain, insomnia


With Critical XXL Auto by Herbies Seeds, it’s impossible to be critical of this herb’s powerful smoke and citrus fragrance blended with earthy and woodsy notes. Critical XXL Auto is an Indica-dominant hybrid (85% Indica / 15% Ruderalis) that reaches up to 23% THC, delivering an intense and long-lasting body high that can help if you’re having trouble sleeping.


Critical XXL Auto has its genetic roots in the revered Skunk #1, while its family tree also includes a mountain-born Afghani parent and the Indica-dominant Critical Mass crossed with a Ruderalis to add autoflowering genes.

Flowering Time

This strain takes from 70 to 80 days on average to grow from seeds to harvest, making it a delight for commercial growers.


When grown indoors, Critical XXL Auto brings in from 400 to 500 g/m² (1.3-1.6 oz/ft²). Outdoor growers can expect to harvest as much as 800-900 g (28.2-31.7 oz) per plant.


Critical XXL Auto works well as nighttime stuff for laid-back smokers who love to sit back and chill. It produces potent sedating effects that result in a deep and relaxing body high. However, you may also dare to add to your daytime routine, as it induces a sense of happiness and creativity.

THC Levels

The strength of Critical XXL Auto’s high is courtesy of THC levels ranging from 17 to 23%, making it one of the strongest autoflowering varieties on the market.

Smell and Taste

This strain’s terpene profile is characterized by a sweet aroma and taste with earthy, woody notes.

Grow Tips

Critical XXL Auto by Herbies Seeds is an autoflowering marijuana strain that goes easy on beginner growers. It’s hardy and can be planted both indoors and outdoors, yielding a large number of dense XXL-sized buds with a sticky, frosty coating.

  • In indoor grows, the plants can reach from 90 to 110 cm (3-3’6) in height, while outdoors, they typically grow 110-130 cm (3’6-4’3) tall.
  • This strain is easy to grow and tough enough to deal with slight temperature and humidity changes.
  • It performs well in SOG and ScrOG setups.
  • It doesn’t require heavy pruning and doesn’t respond well to the main stem being pruned.

One of the most powerful autoflowering varieties out there, Critical XXL Auto is a good choice for beginner growers looking for powerful body-stone effects. At our online megastore, you can order Critical XXL Auto seeds online at a reasonable price in no time!


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