Vigorous sativas for a northern climate?

summergrower1 said:

I'm looking for a sativa with a fast and vigorous growth habit (including a 2-3x stretch in flower) to make up for starting seeds so late. It also must finish by the end of October in my New England zone 6b climate and be hardy to the cold wet fall we have. Any recommendations?

I was looking at the Trainwreck strains from Twenty20 Mendocino. They seem to have the vigor and outdoor hardiness I'm looking for, but I've read some grow reports that said they hermed. Has anyone here grown any of their Trainwrecks outdoors, and if so, did it herm? And if it did herm, was it just a few nanners or a full blown herm that pollinated itself and nearby plants with tons of seeds?

I also looked at their Limonada strain and their Summer Lemons strain but can't find any grow reports of them online.

I was also looking at Brother's Grim Cinderella 99 and it's crosses, Jamaican Dream from Eva Seeds, and Jack Herer from Greenhouse Seed Co. Are there any others I should consider?

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Dboybudz said:

We didn't have good results with brothers grim Cindy 99 last year all four got budrot. Jack Herer from different breeder did well a few years ago. Same climate so I know your predicament really need some cover when flower hits

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