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Trainwreck plant

The origins of Trainwreck weed are lost in the mists of time, although the best bet seems to be that it was first grown in Northern California in the late 1960s. In any case, this is a Sativa dominant weed strain that has built a reputation for an excellent euphoric high.

The name too is shrouded in mystery. One tale has it that it was being grown for the first time on a site near a railway line where there was a crash. A competing theory simply puts the name down to the powerful effect that this strain can have when grown with skill and care.

The versatile Trainwreck strain grows both indoors and outdoors. The plants grow tall and sturdy with a thick stem, needing attention to keep them in bounds. Grown indoors in controlled conditions, Trainwreck can attain a height of 150 centimetres and THC levels are reported as high as 20 percent.

Indoors, Trainwreck seeds will produce mature plants ready for harvest in about 10 weeks. Outdoors, the plant needs a slightly longer growing period. Plant it in well-rotted compost as soon as the last threat of frost has passed and harvest in autumn when the tight, sticky buds have reached their full potency. In the right conditions it reliably produces up to 500 grams per square metre and around 700 grams per outdoor-grown plant.

Trainwreck is a strong weed strain that produces a clear and active, euphoric cerebral high. The smell has a strong resinous hint, sometimes described as earthy, with citrus undertones and the taste is similar with an extra skunky edge. Medicinally, the weed is said to combat pain and stress, and to increase appetite.

Because it can take a longish time to mature outdoors, Trainwreck weed is most strongly recommended for the indoor grower. However you grow, the plant produces a profusion of resin-covered buds which smoke well and are a popular choice with medicinal users.

Strain Characteristics:

Indoors or outdoors
THC Level:
20% +
Flowering Time:
10 weeks
Plant Type:
Late October to Early November
Northern California
Up to 500 gm2
Grow Difficulty:
Moderate - Easy


Trainwreck , 3.9 out of 5 based on 19 ratings
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7 comments on Trainwreck
  1. Paula

    Thanks for the tip about the yellow leaves, I am growing 2 trainwreck and 1 durban poison from clones. The yellow leaves made me a bit nervous, at first. My frienda would sit and pick the leaves off while social distance visiting,. Soon I followed suit. It really helps to
    keep them clean. Now they are flowering and I can see the buds get larger every day.. they are so fun to grow. I have smokesd it for 40 yrs and just tried growing for the first time, this year. I have always had a vege and herb garden. Now my garden is is so beautiful. I am really picky about what I smoke and would be surprised if I came out with anything I would smoke. But I will use it to make baked goods and topical oil. Thanks again for sharing your tips about Durbin poison.

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  2. President Skillz

    Yo man growing trainwreck for the first tile rn i have two plants going ive topped them both twice and ive lst from the start. Ive defoliated twice already and there loving it i just wanted to try it out to see how they reacted and they just grew more and got alot bushier with alot more colas from experience i wouldnt be afriad to try it so go for it! ????

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  3. Thomas LeDoux

    Defoliating Trainwreck plants almost comes natural. Note the many yellow leaves that develop when growing this absolutely awesome strain. It pays to stay on top of those leaves that yellow. I pull mine right when the yellowing begins. With “true Trainwreck”, it’s going to take quite an effort to keep up with more than 6 plants and defoliating is almost a must to do every day. There’s no reason to pull any of the green leave until you’re ready to harvest, simple as that but please keep in mind, we are specifically talking about Trainwreck and ONLY Trainwreck but removing yellow(ing ) leaves before they fall naturally, opens that extra light you’re looking for. If your plants are in pots perse’, spin them each day and the plant will get all the light that’s needed for fantastic growth in both vegging and flowering stages. I turned mine completely around but only about every 3 days so that the plant gets good and acclimated to the sudden brighter conditions so to speak. The best product I’ve ever found for flowering is Tiger Bloom which is a liquid made from worm castings. Forget the myth about Bat Guano. It just doesn’t work as good as Tiger Bloom and it’s nitrogen levels in most Bat Guano tends to make the buds rather leafy.

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  4. Paul

    I’ve super cropped mine every time with no problems. When you speak of defoliation, I lollipop mine, so just the bottom 60% of the plant or so I’ll remove completely. That’s as far as I go and they never even seem to get shocked. good luck, great strain!

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  5. Shawna

    This is so far my Favorite strain!!! I was on pain meds for severe back and hip pain,I am no longer taking the meds, as this train wreck has helped immensely !!

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  6. Harley24

    I currently have 8 trainwreck plants growing inside. I am using 5 gallon fabric containers filled with my own soil mix, which includes organic peat, perlite and worm castings. I am using a 1000 watt hps system with the metal halide light bulb in place now. I will be using BioBizz grow and bloom, great white root stimulator, golden tree, cal-mag, and liquid koolbloom. I also may use a silica supplement for strength since the plant is viney in growth.

    What i need to know is if using HST is good with growing this strain? I like to FIM my plants at least 2 times and use defoliation to extremes so each and every branch from bottom to top gets the same light.

    I would hate to ruin a nice grow like this if “trainwreck” does not take good to defoliation. I have looked everywhere for information on defoliating trainwreck, but i have had no luck, so i am reaching out to others who have grown this strain to see if he/she knows anything about defoliation with trainwreck. Any help would be greatly appreciated. I look forward to some replies ( i really hope i get some). Peace

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