Seeds
Green Poison XL Auto Feminised Seeds
SKU: SS-GPXL-AUTO-Fem
Bigger, more productive, version of Green Poison Auto
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Flowering Type
Autoflowering
Parental lines
Green Poison Auto® x Green Poison Auto®
THC content
High THC (16-24%)
CBD content
Low CBD (0-1%)
Autoflowering seed to harvest time
8 to 10 weeks
Yield indoor
High Yield (450-600gr/m2)
Plant size
Medium
Suitable climates
Cool, Dry, Hot, Temperate, Warm, Wet
From the breeder
Bigger, more productive, version of Green Poison Auto
Sweet Seeds breeder notesAroma
FruitySkunky
Parental lines
Green Poison Auto®Green Poison Auto®
Bigger, more productive, version of Green Poison Auto
3rd generation autoflowering strain. Tall-stemmed version of one of our most appreciated autoflowering strains: Green Poison Auto®.
Green Poison XL Auto® was developed within a recurrent selection programme of tall-stemmed Green Poison Auto® specimens across multiple generations. These seeds produce plants that height around 25% more than their ancestors, with a higher flower and resin production.
The tastes and aromas of this strain are very pleasant and intense, with sweet and fruity tones, a sweet Skunk background and hints that are reminiscent of rucola and walnuts.
Brand/breeder
Parental lines
Green Poison Auto® x Green Poison Auto®
Variety
Indica / Sativa hybrid
Flowering type
Autoflowering
Sex
Feminised
THC content
High THC (16-24%)
CBD content
Low CBD (0-1%)
Yield outdoor
Average Yield (200-450gr/plant)
Yield indoor
High Yield (450-600gr/m2)
Plant size
Medium
Autoflowering seed to harvest time
8 to 10 weeks
Suitable climates
Cool, Dry, Hot, Temperate, Warm, Wet
Aroma
Fruity, Skunky
SKU
SS-GPXL-AUTO-Fem
Autoflowering outdoor timeline
Autos can be sown in multiple waves through the season for staggered harvests.
Stage 1
Germination
April – July
Wait for: warmer days, no frost, stable temperatures
Watch for: cold nights, overwatering, weak early light
Stage 2
Seedling / Transplant
1–2 weeks after sprouting
Wait for: strong light, mild weather, protected start
Watch for: slug damage, stretching, transplant stress
Stage 3
Vegetative Growth
Weeks 2–5
Wait for: long bright days, healthy root growth
Watch for: stunting, nutrient burn, pest pressure
Stage 4
Flowering
Weeks 5–8+ depending on cultivar
Wait for: steady sunshine, decent airflow, dry spells
Watch for: mould, heavy rain, snapped branches
Stage 5
Harvest
Weeks 8+ or summer to early autumn
Wait for: mature trichomes, swollen buds, finished aroma
Watch for: bad weather, bud rot, harvesting too early
Indoor autoflowering timeline
Autoflowers follow their own internal clock, making indoor timelines easier to plan from seed to harvest.
Week 0
Germination
Healthy seedling emergence
Wait for: healthy seedling emergence
Watch for: overwatering, weak starts
Week 1–2
Seedling
Steady early growth
Wait for: steady early growth
Watch for: stretching, stress, excess moisture
Week 2–5
Early Growth
Strong leaf and root development
Wait for: strong leaf and root development
Watch for: stunting, overcrowding, early stress
Week 5–9+
Flowering
Bud development and visible maturity
Wait for: bud development and visible maturity
Watch for: humidity issues, poor airflow, plant stress
Week 8–12+
Harvest Window
Finished flowers and mature trichomes
Wait for: finished flowers and mature trichomes
Watch for: harvesting too early
Based on 44 reviews
Green Poison XL Auto Feminised Seeds
This is a nice auto! Popped 2 of the 5 I received and got 100% germ. We had 2 completely different phenos in size but both put off nice yields in a timely manner. Definitely not as fast as they say it is but worth the grow!
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Green Poison XL Auto Feminised Seeds
fast germination, good grow rate , excellent smoke. Outdoor harvest after 100days life cycle: 4x30-50g/pl Good looking buds!
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Green Poison XL Auto Feminised Seeds
Grew this with little effort! Turned out really nice. Will definitely be ordering more Sweet seeds from Seedsman. Shout out to Laura in customer service. She took care of a problem with a quick response.
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Green Poison XL Auto Feminised Seeds
Plant grew nice and short (which is nice with my 3' tent), looked really healthy up until the flowering stage, when the fan leaves started to turn yellow (I think this was my fault - I didn't start giving nutrients until week 5). However, buds looked good and large throughout entire grow, and without any training my one plant yielded 30.0gs, with two other plants (different strains) in my 2x2x3 tent. Very impressive, resilient, plant, smokes somewhat harsh but certainly does the trick!
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Green Poison XL Auto Feminised Seeds
All popped fast. Growing like weeds!
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