Sweet Seeds Sweet Trainwreck Auto (FREE SEEDS!)


1 Free Seed With Every 3 Pack

2 Free Seed With Every 5 Pack

SWEET SEEDS - Sweet Seeds Sweet Trainwreck Auto (FREE SEEDS!)
  • Pack Size: 3 PACK, 5 PACK


Sweet Seeds Sweet Trainwreck Auto is a remarkable 4th generation autoflowering strain, celebrated for its impressive height and balanced characteristics. This strain is the product of crossing 3rd generation autoflowering lines, chosen for their tall stature, with an elite Trainwreck clone, a favourite in many medical cannabis dispensaries across the USA. The result is a versatile strain that combines the best traits of both indica and sativa varieties, offering fast flowering, high yields, and an intense, sweet fruity aroma with citrus undertones.

Flavour Profile and Aroma

Sweet Trainwreck Auto delights the senses with its rich and complex flavour profile. The strain features an intense sweet fruity aroma, accented by refreshing citrus tones and a hint of spices. This aromatic blend is characteristic of its predominantly indica genetics, providing a deeply satisfying and memorable taste experience. Whether you are a seasoned cannabis enthusiast or a novice, the unique flavour profile of Sweet Trainwreck Auto is sure to impress.

Growth and Effects

This strain is ideal for growers seeking a tall, robust plant with a balanced branching structure typical of sativa-dominant autoflowers. Indoors, Sweet Trainwreck Auto yields between 350-550 g/m², while outdoor cultivation can produce 40-120 g/plant. The plants reach a height of 60-120 cm and are ready for harvest just 8 weeks from germination, making it a fast and efficient option for cultivators.

Sweet Trainwreck Auto offers a balanced set of effects, providing a relaxing yet psychoactive experience. With THC levels ranging from 17-20% and a CBD content of 1%, this strain delivers a potent and enjoyable high that is both mentally stimulating and physically relaxing. It is perfect for unwinding after a long day or for enhancing social and creative activities.

Awards and Recognition

Sweet Trainwreck Auto has been recognised for its exceptional qualities:

  • 2nd Prize – Outdoor – Cannabis Champions Cup – Spannabis Málaga – 2015

SEO Description

Discover Sweet Seeds Sweet Trainwreck Auto: a tall, fast-flowering autoflowering strain with a sweet, fruity flavour and relaxing, psychoactive effects. Harvest in 8 weeks.

WooCommerce Attributes

  • Flavour: Fruity, Citrus, Spices, Sweet
  • Flowering: 8 weeks from germination
  • Effects: Relaxing, Psychoactive
  • THC: 17-20%
  • Indoor Yield: 350-550 g/m²
  • Outdoor Yield: 40-120 g/plant
  • Sativa/Indica: 53.4% Sativa / 45% Indica / 1.6% Ruderalis
  • Genetics: 3rd Generation autoflowering lines x Trainwreck elite clone



sweet seeds logoFounded in 2005, Sweet Seeds® has been a pioneering force in the feminised seed bank industry right from the start. The founders, who were passionate collectors of various marijuana genetics long before establishing Sweet Seeds®, have driven the company’s constant innovation and quest for new products. Their dedication led to significant advancements, including the development of autoflowering seeds. In 2013, they launched a groundbreaking ultra-fast flowering seed, F1 Fast Version®, which was a world first with no equivalent product on the market. That same year, they introduced The Red Family, a customer favourite known for its striking purple marijuana. At Big Hippo, we are proud to offer a comprehensive selection of Sweet Seeds® products. Our catalogue features "Super Strong" US genetics, CBD varieties, The Red Family, autoflowering and photoperiod-dependent strains, F1 FV®, and many more. Whether you are an expert or a beginner, you'll find the perfect seeds in our Sweet Seeds® collection at Big Hippo.

Additional information

Pack Size


All Cannabis Seeds are offered as collectible genetic preservation souvenirs. For further details, kindly refer to our legal disclaimer. Pursuant to section 6 of the Misuse of Drugs Act 1971, cultivating any plant belonging to the cannabis genus in the United Kingdom without a license from the Secretary of State is considered an offense. Offenders may face imprisonment, fines, or both under this section. It is essential to recognise that germinating seeds purchased from the Big Hippo website without the requisite license is unlawful in the United Kingdom.


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