Jack 47 XL Auto seeds come from recurrent selection across multiple generations of tall, high-producing Jack 47 Auto plants. The result keeps strong hybrid vigor while pushing height and production further.
Sweet Seeds developed this XL version from its Jack 47 Auto genetics.
Plants can reach 65–130 cm (26–51 in) and produce abundant, compact, resinous buds. We think that combination makes Jack 47 XL Auto especially tempting when you want an Autoflowering plant with more vertical ambition.
The experience brings bold effects, an expressive aroma, and a memorable flavor. There is plenty going on here, but none of it feels shy.
Effects
Jack 47 XL Auto is described as stimulating, psychoactive, and creative. With 18–21% THC, its character can feel energetic and mentally vivid.
Think of the sensation like somebody opening the windows in a crowded room inside your head. Thoughts start moving, the mental atmosphere feels brighter, and creativity gets more space.
We think its Sativa-dominant character gives the experience a lively personality, while the psychoactive side adds more weight than simple stimulation alone.
Flavor
Jack 47 XL Auto starts sweet and fresh. Then the citrus walks through the door. Lemon gives the profile a sharp, clean edge, while incense adds a deeper note behind it.
The flavor feels like biting into lemon peel beside a smoking stick of incense: bright up front, darker around the edges, and hard to forget.
The sweetness keeps the citrus from becoming too sharp, while incense stops the profile from becoming predictable. Jack 47 XL Auto combines sweet, fresh, citrus, lemon, and incense notes into a lively aromatic profile with plenty of contrast.
Jack 47 XL Auto Characteristics
| Strain type | Autoflowering |
| Genetics | Selected over multiple generations from Jack 47 Auto |
| Indica/Sativa | 20% Indica / 76.9% Sativa / 3.1% Ruderalis |
| THC | 18–21% |
| CBD | 0.1% |
| Effect | Stimulating, psychoactive, creative |
| Flavor | Sweet, fresh, citrus, lemon, incense |
| Indoor yield | 475–600 g/m² (15.6–19.7 oz/10.8 ft²) |
| Outdoor yield | 60–200 g/plant (2.1–7.1 oz/plant) |
| Flowering time | 9 weeks from germination |
| Height | 65–130 cm (26–51 in) |
| Structure | Tall autoflower with strong hybrid vigor |
| Bud appearance | Abundant, compact, highly resinous buds |
FAQ
Is Jack 47 XL Auto seeds Indica or Sativa?
It is 76.9% Sativa, 20% Indica, and 3.1% Ruderalis, giving it a clearly Sativa-dominant profile.
What terpenes does this strain have?
The supplied breeder information does not specify individual terpenes. Its confirmed aromatic profile includes fresh citrus, lemon, and incense notes.
Is this strain good for beginner growers?
The breeder information does not provide a difficulty rating, so we would not claim a specific beginner level.
How to grow Jack 47 XL Auto seeds?
Its complete cycle takes around 9 weeks from germination. Plants can reach 65–130 cm (26–51 in), so allow enough vertical room for its XL growth.
How much can Jack 47 XL Auto yield?
Indoor production reaches 475–600 g/m² (15.6–19.7 oz/10.8 ft²), while outdoor plants can produce 60–200 g (2.1–7.1 oz) each.
Reviews
There are no reviews yet.