Forbidden Cherry Auto is a purple autoflower bred to deliver no matter where you grow it. Dutch Passion crossed its Purple #1 with a hybrid of Auto Forbidden Fruit and Cherry Pie, then selected over several generations for resilience and stability. The goal was simple: beautiful purple buds and a reliable harvest in almost any conditions.
The color is part of the genetics, not just a cold-weather trick. Buds turn violet, pink or deep purple even indoors, starting around the second week of bloom, and in chilly outdoor nights they can go so dark they look almost black.
This is a fast, Indica-dominant auto. With no light-schedule switch to worry about, plants grown under 20/4 typically finish 63-70 days (9-10 weeks) from seed. They stay compact at 40-75 cm (16-30 in), which suits balconies, small gardens and anyone who wants a low-profile plant.
From a dry continental summer to a wet coastal season or a cool mountain climate, this purple autoflower is built to cope.
Purple Buds, Kush Flavor, and a Mellow Body High
The aroma is loud and fruity-earthy, with notes of citrus, forest fruits, lavender and spice. Late in bloom it can turn into a pungent, unmistakably old-school weed smell. Some phenotypes add pine to the mix.
After a proper cure, the citrus steps back and a stronger Kush character moves forward, supported by light forest fruit and lavender. The smoke is smooth and refined, a real treat for Kush lovers.
The effect is calming and relaxing, as you’d expect from an Indica-leaning auto, with a medium-strength head high and a stronger body high that lets you sink into the couch. Thanks to its hybrid side, it stops short of full couch-lock and keeps a slightly uplifting edge. Its medium potency makes it approachable for newer consumers, and it’s a great choice for a movie night or an easy afternoon with friends.
Growing Forbidden Cherry Autoflower Seeds
Plants typically form a small Christmas-tree shape with a dominant main cola and a few smaller side branches. Leaves start broad and thick, then slim down into a more hybrid look as flowering begins. Internodes are medium, leaving a little space between buds for airflow, which helps lower the risk of bud rot and mold.
Dutch Passion recommends letting it grow naturally. You can top it to keep it very short, but that can reduce yield. Because the cycle is so quick, the first weeks matter: sow directly into the final container, or transplant after no more than 1-2 weeks of indoor pre-growth under 20 or 24 hours of light.
Indoors, the L-rated yield works out to around 400-450 g/m² (1.31-1.47 oz/ft²), or roughly 25-100 g (0.9-3.5 oz) per plant depending on pot size and conditions. Outdoors in temperate or colder climates, expect around 30-50 g (1.1-1.8 oz) per plant, rising to as much as 150 g (5.3 oz) in a sunny, dry climate.
Outdoors, the life cycle can run about 1-1.5 weeks longer, up to 11-12 weeks, especially with cold nights. Choose the warmest stretch of summer, use breathable fabric pots in very wet regions, and save the trim: Dutch Passion notes that Forbidden Cherry can turn hash wash water purple and makes excellent old-school hash.
Forbidden Cherry Auto Characteristics
| Strain type | Autoflowering (feminized) |
| Genetics | Purple #1 x (Auto Forbidden Fruit x Cherry Pie) |
| Indica/Sativa | Indica-dominant hybrid |
| THC | High (medium potency) |
| Effect | Calm, relaxed, body-focused with a light uplift |
| Flavor | Kush, forest fruits, citrus, lavender, spice |
| Indoor yield | 400-450 g/m² (1.31-1.47 oz/ft²) |
| Outdoor yield | 30-50 g/plant (1.1-1.8 oz/plant) in temperate climates; up to 150 g/plant (5.3 oz/plant) in sunny, dry climates |
| Seed to harvest | 9-10 weeks (63-70 days) indoors; up to 11-12 weeks outdoors |
| Height | 40-75 cm (16-30 in); up to about 100 cm (39 in) in large pots |
| Structure | Compact Christmas-tree shape with a dominant main cola |
| Bud appearance | Compact purple buds, violet to near-black in cold weather |
| Best cultivation technique | Natural growth, sow in the final pot, 20/4 light |
FAQ
Is Forbidden Cherry Auto always purple?
Purple coloring is a genetic trait, so it shows indoors too, usually from the second week of bloom. Cold nights outdoors can push the buds to very dark purple or almost black.
How fast is Forbidden Cherry Auto?
Indoors under 20/4, it typically finishes 63-70 days (9-10 weeks) from seed. Outdoors it can take up to 11-12 weeks.
How tall does Forbidden Cherry Auto grow?
Usually 40-75 cm (16-30 in). In large pots from the start, some plants approach 100 cm (39 in).
What yield does Forbidden Cherry Auto produce?
Indoors about 400-450 g/m² (1.31-1.47 oz/ft²). Outdoors expect 30-50 g (1.1-1.8 oz) per plant in cooler climates, and up to 150 g (5.3 oz) in sunny, dry conditions.
Should I top Forbidden Cherry Auto?
Dutch Passion generally advises against it. The plant performs best when grown naturally, and topping can reduce yield.
Is Forbidden Cherry Auto suitable for beginners?
Yes. It is stable, resilient and forgiving, and performs well outdoors, in greenhouses and indoors.
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