F-13 by DJ Short
If you want to talk about true boutique breeding, you have to talk about DJ Short’s F-13. This is the Holy Grail of his legendary Floral line, a spectacular cross between his famous Blueberry and Flo. DJ Short sifted through countless plants to find this exact expression, and what he landed on is a sativa-leaning masterpiece built on old-world landrace genetics like Highland Thai, Chocolate Thai, and Afghani. This isn't some modern commercial cash cropper meant to dump weight; this is vintage, purist cannabis bred strictly for connoisseur heads who care about complex experiences over sheer THC percentages.
In the grow room, F-13 is a visual stunner that commands your attention. She doesn't have the totally unruly stretch of traditional tropical sativas, staying relatively manageable and finishing up in a surprisingly fast 8 to 9 weeks indoors. As she fades, you'll see insane colors drop in, ranging from neon greens to deep, almost black purples. She throws out spear-shaped, highly resinous buds, though you have to be ready for some phenotypic variation—you might get chunky calyx stacks or some old-school foxtailing depending on the seed. It's a plant that requires a grower to actually pay attention and select their favorite expression, rather than just blindly running a mono-crop.
Lighting up F-13 is an experience you don't forget. The terpene profile is wildly sophisticated—sweet, floral, and berry-forward, but layered with a dusty, musky incense funk that smells exactly like a 1970s landrace import. The high is where she really shines, delivering a crisp, electric cerebral buzz that acts like a shot of espresso for your mood. It’s a clean, psychedelic 'day-brightener' that sparks creativity without the paranoid edge, making it an absolute treasure for anyone lucky enough to hold the real cut. It's a strain for daytime adventures, deep conversations, and enjoying the absolute pinnacle of craft cannabis.
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Similar strains
| Breeder | DJ Short |
|---|---|
| Type | mostly sativa |
| Flowering time | ±56 days |
| Environment | Indoors |
| Lineage | Floral Line × Floral Line |
| Descendants | OGF13, Prairie Fire, Diesel Berry, Tropical Afghan, Seven of Nine |
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🧬 Explore the family: Floral Line · Floral Line · OGF13 · Prairie Fire · Diesel Berry · Tropical Afghan · Seven of Nine
Ancestry Pedigree
Unknown or Legendary
Unknown or Legendary
Unknown or Legendary
Original Strains
Unknown or Legendary
Original Strains
Unknown or Legendary
Original Strains
Unknown or Legendary
Growing F-13: what to expect
As a sativa-leaning plant, plan for a big stretch after the flip (often 100–200%) — flip earlier than feels natural and keep training options ready. Sativa-leaning plants also generally prefer a lighter feed than heavy indicas. Growers familiar with Floral Line or Floral Line will recognize much of its behavior. Whatever the listing says, the cut in YOUR tent is the ground truth: log feedings, readings, and photos, and let the trends — not the label — drive decisions.
F-13 FAQ
How long does F-13 take to flower?
F-13 typically flowers in around 56 days after switching to a 12/12 light schedule. Individual phenotypes vary, so judge harvest readiness by trichome color, not the calendar.
Is F-13 an indica or a sativa?
F-13 is listed as mostly sativa.
What are the parents of F-13?
F-13 was bred from Floral Line × Floral Line by DJ Short.
What environment does F-13 like?
Standard cannabis bands work well: VPD 0.8–1.1 kPa in veg and 1.0–1.4 kPa in flower, with humidity stepping down from 65–75% as a seedling to 40–50% in late flower. See the stage-by-stage table on this page.
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Facts compiled from public breeder listings. Growing F-13? A structured journal — with your feedings, readings, and photos — is how you find what THIS cut actually wants.
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