Pro's :
- Will induce flowering automatically
- Thus is good for quick outside grows, multiple times a year
- Also good indoors if you haven't room for a veg and flower room
Con's :
- Yield is usually lower (for logical reasons)
- Sometimes the ruderalis genetics lower potency or taste versus the regular version with no ruderalis
- Many are one time grows, and so they're not suitable for mothering or for cloning
- Certain strains are known not to flower automatically, which voids the point, most do, some don't
Autoflowering has its place, and can be very handy for many people. For some it'll never be considered, but hell, if you have a good supplier with good genetics, go for it and see how you find it etc.
Photo I took today of my experimental Fast Bud #2 (Auto), exactly 3 weeks 3 days from breaking soil:
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