Grapefruit Auto feminized seeds

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If you like your cannabis to be equal parts sweet and sour, Grapefruit Auto offers just the right balance for your taste buds. No surprise here given her name, this autoflowering hybrid delivers aromas and tastes that are fruity, and she really does taste just like a grapefruit! With a THC rating hovering around 19%, she’s potent and tends to promote energy, relaxation, and happiness without being overwhelming.

  • Fast Buds
  • Feminized
  • Autoflowering
  • Outdoor
  • Indoor
  • Gives a clear head
  • Vancouver Sour Citrus x Ruderalis
  • 60 - 90 cm
  • 400 - 600 g/m² indoors
    50 - 300 g/plant outdoors
  • 63 - 70 days
  • Sativa / Indica / Ruderalis
  • 19 %
  • 1 %

Grapefruit Auto Strain Info

The autoflowering and feminized Grapefruit Auto cannabis strain traces its origins to breeder FastBuds. Her genetic history is as a Vancouver Sour Citrus crossed with a Ruderalis, meaning this auto version is a good representation of the original with the added autoflowering trait.

Flowering Time

Grapefruit Auto has a very short flowering time, just as most autoflowers do. Overall, she takes only 63-70 days to go from seed to harvest.


With a harvest ranging from 400-600g/m² (1.31-1.97oz/ft2) indoors and 50-300g (1.8-10.6oz) per plant outdoors, quality and quantity are easily a match for this autoflowering strain, making Grapefruit Auto a popular addition to any grow room.


The effects of Grapefruit Auto are well-balanced between a body and head high, leaving you relaxed, motivated, and happy. The higher than average content of THC makes this strain useful for treating chronic pain, arthritis, rheumatism, epilepsy, glaucoma, and other conditions.

Grapefruit Auto effects
Grapefruit Auto weed effects
Grapefruit Auto strain effects
Effects of Grapefruit Auto

THC And CBD Levels

Grapefruit Auto has a fairly high THC content level of 19%, along with a CBD percentage of around 1%.

Smell And Taste

Grapefruit Auto’s aromas are sweet and sour with fruity notes. Unsurprisingly given her name, her terpene profile results in strong notes of grapefruit-like undertones.

Grow Tips

Grapefruit Auto is a short and stocky plant with little in the way of collateral branching. It will usually grow to form one big, long cola that will get fully covered in trichomes and resin. Due to its Ruderalis genes and great pest and disease resistance, it can be grown both indoors and outdoors. She doesn’t require a lot of nutrients, but can require a lot of light.

  • The plant usually grows to 60-90cm (1’11”-2’11”) in height.
  • Although not the biggest plant in the room, her pungent smell will over-compensate for her size, so adding a carbon filter might be a good idea.
  • This strain doesn’t require a lot of special care, just a standard amount of fertilizer and plenty of light.

Grapefruit Auto Seeds

Grapefruit Auto seeds can be yours today for a great price. Herbies Seeds sells the finest Grapefruit Auto feminized seeds online, so make sure you buy yours and add this delicious strain to your collection as soon as possible.

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