STRNG Seeds – Jack Flash Auto
$10.00
This strain delivers citrus and woody aromas with an energizing lift, making every session feel refreshing.
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Jack Flash Auto brings together a powerhouse combination of Jack Herer x Super Skunk x Haze x Ruderalis, forming a balanced hybrid with 50% sativa and 50% indica genetics. This even split ensures a well-rounded presence, ideal for those looking for a smooth, engaging experience that keeps things lively. With citrus, sweet, and woody notes, this strain presents an inviting aroma that blends fresh and warm undertones, offering an enjoyable and refreshing profile.
A versatile grower, Jack Flash Auto reaches a medium height indoors and outdoors, making it adaptable to different cultivation environments. The 9-10 week flowering time allows for a steady and predictable growth cycle, producing up to 450 gr/m² indoors and up to 600 gr/plant outdoors. Its resilience and consistent output make it a go-to option for cultivators seeking a productive, flavorful strain that thrives with minimal effort. Ideal for those who appreciate variety in their sessions, Jack Flash Auto delivers a smooth and engaging presence from start to finish.
We are proudly based in Colorado and all our seeds come from local farmers.
| Genetic Background: | Jack Herer x Super Skunk x Haze x Ruderalis |
|---|---|
| THC: | |
| CBD: | Medium |
| Sativa: | 50% |
| Indica: | 50% |
| Flavor: | Citrus, Sweet, Woody |
| Effect: | Creative, Uplifting, Focused |
| Breeder Location: | Colorado |
| Yield indoor: | Up to 450 gr/m² |
|---|---|
| Yield outdoor: | Up to 600 gr/plant |
| Flowering time: | 9-10 weeks |
| Height indoor: | Medium |
| Height outdoor: | Medium |
| Harvest Month: |
Jack Flash Auto combines vigorous growth, a subtle citrus-pine aroma, and a fast seed-to-harvest cycle, making it ideal for stealthy or space-limited growers.
It typically completes its full lifecycle in 9 to 10 weeks, offering a rapid turnaround from germination to harvest.
While the aroma intensifies late in bloom, it’s relatively mild during early flowering, releasing fresh citrus and earthy pine notes.
It stays compact, usually around 60–80 cm, making it perfect for closets, tents, and balcony grows.
Yes, it thrives outdoors in mild climates and can complete its cycle before seasonal weather becomes unfavorable.
No, this autoflower transitions into bloom automatically after about 3–4 weeks of growth.
Yes, it produces solid buds with a good calyx-to-leaf ratio, especially under consistent lighting and airflow.
It tends to stay low and wide, with strong lateral growth and minimal vertical stretch after pre-flower.
Yes, it’s beginner-friendly and doesn’t require complicated training or strict environmental control.
Its cured aroma blends lemon, herbal spice, and pine, with a smooth, slightly woody finish.
Yes, STRNG Seeds offers Jack Flash Auto as a fully autoflowering strain, requiring no change in light cycles.
Yes, it performs well with continuous 18 hours of light per day, promoting steady vegetative and flowering growth.
All orders ship in unmarked, secure packaging with no mention of seeds or strain names on the label.
Its autoflowering traits allow for full development without light timing changes, making it ideal for compact or shared spaces.
Absolutely, its resilience, quick cycle, and simple care routine make it a great choice for new cultivators.
A 3 to 5-gallon pot offers enough root space to support healthy growth without overextending the plant.
Topping isn’t recommended due to its short lifecycle. Light LST works better for shaping the canopy and improving light coverage.
Daily watering is common in coco setups, especially under strong lights. Adjust based on plant size and root development.
Minimal defoliation is ideal, removing only the leaves blocking light from bud sites or reducing airflow late in flower.
Yes, as long as it receives ample sunlight and airflow, it performs well in controlled outdoor greenhouse setups.
| Spend | Get |
| $ 45 | 1 Free Seed |
| $ 100 | 2 Free Seeds |
| $ 150 | 3 Free Seeds |
| $ 200 | 4 Free Seeds |
| $ 250 | 5 Free Seeds |
| $ 300 | 6 Free Seeds |
| $ 350 | 7 Free Seeds |
