Lemon Tree Auto is a terpene project first and foremost. Fast Buds began by working through several phenotypes of the original Lemon Tree cut, searching for one that carried clean, sweet citrus with real depth. Once they found it, they crossed that selection with their Z-Up Auto to push the profile toward sweet, minty and floral territory.
The outcome is a stable F4 feminized autoflower that leans sativa, with 65% sativa and 35% indica genes and up to 27% THC. Like every auto, it flowers on its own without any light change, so you can run 18/6 or 20/4 throughout. Harvest arrives in about 8-9 weeks from seed.
Fast Buds places it in the XL size class, with a height of 70-120 cm (28-47 in). Indoor yields reach 450-600 g/m² (1.5-2 oz/ft²), and outdoor plants can produce 60-300 g (2-11 oz) each.
Plants show strong vigor, dark green foliage and a balanced structure, and they perform consistently across a full pack of seeds.
Lemon Soda with a Cool Finish
The aroma opens with sweet lemon, then unfolds into fresh mint and floral notes. On the palate it reads like a fizzy lime soda with a sour twist, bright and clean, and it keeps developing the more you handle the flowers. If you love citrus strains but want something more layered than plain lemon, this is a good place to look.
The high matches the zesty flavor. Fast Buds growers most often report feeling energetic and happy, with plenty of giggles, an uplifted mood and an easy, relaxed edge. It suits daytime use, conversation and creative tasks.
Easy Trimming, Strong Resin
One of the most practical traits of Lemon Tree Auto is its low leaf-to-flower ratio. The buds are dense and resin-rich, and there is little leaf to cut away, so trimming goes fast. High trichome production also makes it a good candidate for hash, rosin and other extracts.
Grow it in a roomy container, keep the lights steady and use gentle training early in veg to open up the canopy. Its balanced structure means it rarely needs more than that.
Because the line is consistent from plant to plant, Lemon Tree Auto is also a good choice for growers running several plants at once who want an even canopy and a uniform harvest date.
Lemon Tree Auto Characteristics
| Strain type | Autoflowering (feminized) |
| Genetics | Lemon Tree cut x Z-Up Auto (F4) |
| Indica/Sativa | 65% Sativa / 35% Indica |
| THC | Up to 27% |
| CBD | Less than 1% |
| Effect | Energetic, happy, giggly, uplifted |
| Flavor | Sweet lemon, lime soda, fresh mint, floral, sour |
| Indoor yield | 450-600 g/m² (1.5-2 oz/ft²) |
| Outdoor yield | 60-300 g/plant (2-11 oz/plant) |
| Seed to harvest | 8-9 weeks |
| Height | 70-120 cm (28-47 in), XL size class |
| Climate | Indoors, outdoors, greenhouse or mixed-light; any season with warm, stable weather outdoors |
| Best cultivation technique | LST in early veg |
FAQ
What genetics are behind Lemon Tree Auto?
It is a selected Lemon Tree cut crossed with Fast Buds’ Z-Up Auto, stabilized into an F4 feminized autoflower.
What does Lemon Tree Auto taste like?
Sweet lemon and lime soda up front, with fresh mint, floral notes and a sour edge.
Is Lemon Tree Auto easy to trim?
Yes. Its buds are dense with a low leaf-to-flower ratio, so trimming is fast and efficient.
Is it good for extraction?
Trichome production is consistently high, which supports both flower quality and extraction potential.
How long does it take?
About 8-9 weeks from seed to harvest, under 18/6 or 20/4 light the entire time.
What yield can I expect?
Indoors, 450-600 g/m² (1.5-2 oz/ft²). Outdoors, roughly 60-300 g (2-11 oz) per plant.
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