Purple Lemonade Auto is one of the most popular strains Fast Buds has ever released, and in 2023 the breeders gave it a refresh. The current version comes from the Original Lemonade cut crossed with LSD25 Auto F5, worked into a stable F6 feminized autoflower with better yields and up to 25.5% THC.
The goal was simple: combine vivid color, loud citrus terpenes and dependable harvests in a plant anyone can grow. She is an XL autoflower, reaching 80-130 cm (31-51 inches) with good internodal spacing and several strong side branches. No light-schedule switch is needed; keep her under 18/6 or 20/4 and she goes from seed to harvest in roughly 9-10 weeks.
Indoors she yields 450-550 g/m² (1.5-1.8 oz/ft²). Outdoors, plants produce 50-300 g (2-11 oz) each, with the top end reached under good sun and roomy containers.
Fast Buds lists her genetics at 60% Sativa / 40% Indica, and the high plays out in two clear stages.
Purple Bag Appeal and Lemon Terps
By harvest the flowers turn deep purple, laced with bright orange pistils and wrapped in a thick trichome layer that often takes on a pinkish tint. That color is a big part of her appeal for resin-focused growers who want extractions that look as good as they taste.
A sharp lemon note leads the profile, mixed with sour citrus and a sweet backbone. Think of freshly squeezed lemonade with just enough sugar. The aroma holds strongly from the living plant through the cure, and concentrates come out bright, tangy and terpene-rich.
Effects start out with a sativa-style lift that gets you smiling, then fade into a calm, mellow body feel. Growers most often report feeling relaxed and happy, which makes her an easygoing pick for an afternoon or evening session.
Why Growers Keep Choosing Her
Purple Lemonade Auto is proven and stabilized: she grows evenly, takes basic care well and delivers color, terpenes and solid weight in a manageable frame. Gentle low-stress training on the side branches helps fill out the canopy indoors.
Purple Lemonade Auto Characteristics
| Strain type | Autoflowering (feminized) |
| Genetics | Original Lemonade cut x LSD25 Auto F5 (F6) |
| Indica/Sativa | 40% Indica / 60% Sativa |
| THC | Up to 25.5% |
| CBD | Less than 1% |
| Effect | Uplifting start, relaxed and happy finish |
| Flavor | Lemon, sour citrus, sweet |
| Indoor yield | 450-550 g/m² (1.5-1.8 oz/ft²) |
| Outdoor yield | 50-300 g/plant (2-11 oz/plant) |
| Seed to harvest | 9-10 weeks |
| Height | 80-130 cm (31-51 inches), XL size class |
| Best cultivation technique | Low-stress training of side branches |
FAQ
What are the genetics of Purple Lemonade Auto?
Fast Buds crossed the Original Lemonade cut with LSD25 Auto F5 and refined the line into a stable F6 feminized autoflower.
How long does Purple Lemonade Auto take?
About 9-10 weeks from seed to harvest, with the lights on 18/6 or 20/4 for the whole cycle.
Will every plant turn purple?
She is bred for strong purple expression, finishing with deep purple buds and often pinkish trichomes. If you want color locked in even more consistently, Fast Buds’ Purple Lemonade Auto RF3 was bred specifically for that.
How much does Purple Lemonade Auto yield?
Indoors, 450-550 g/m² (1.5-1.8 oz/ft²). Outdoors, 50-300 g (2-11 oz) per plant depending on conditions.
How tall does she get?
She is XL in Fast Buds’ sizing, reaching 80-130 cm (31-51 inches).
Is Purple Lemonade Auto good for extracts?
Yes. Heavy resin coverage and a bright lemon profile make for flavorful, terpene-rich concentrates with a striking color.
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