Sweet Seeds - Runtz XL Auto®

Breeder Slug: sweet-seeds
Strain Slug: runtz-xl-auto

Strain added by chris on 04/28/2026.

• Flowering time: 56 days (8 weeks)
• Genotype: indica/sativa/ruderalis
• Is this is a autoflowering strain? Yes
• Can one get regular seeds? No
• Can one get feminized seeds? Yes
• Is this a clone-only strain? No
• Is this strain still available? Yes

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Strain description

A 6th Generation autoflowering strain. This is our extra large, autoflowering version derived from the Runtz genetic line (Z x Gelato). The strain is notable for its delicious aroma, strong effects and high yields.

The Runtz strain has revolutionized the Californian marijuana scene and it is one of the most aromatic and potent genotypes on the West Coast of the USA.

Runtz XL Auto® (SWS88) is the product of crossing a carefully selected Runtz clone with handpicked individuals from our Sweet Gelato Auto® (SWS76) strain. It contains high terpene concentrations, which lends the buds their very intense, delightfully sweet and fruity bouquet. It has a short life cycle, with just 8 weeks from the appearance of the cotyledons until harvest. Its effect is powerful and well-balanced, producing peaceful, relaxing vibes, while stimulating creativity and the imagination.

Data Sheet Runtz XL Auto®

• Variety: SWS88
• Indica: 47,1% / Sativa: 52,5% / Ruderalis: 0,4%
• THC: 17-25% / CBD: 0,5%
• Indoor Yield: 400-550 g/m²
• Outdoor Yield: 50-175 g/plant
• Indoor/Outdoor Harvest: 8 weeks from germination
• Height: 60-120 cm
• Effects: relaxing, stimulating, creativity
• Aroma: sweet, fruity, musk, floral

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Growlogs

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