NLX by United Seedbanks
2 other breeders' versions of NLX — compare flowering times side by side →
If we're talking about heavy-hitting Dutch classics, you absolutely have to bring up NLX. Born from a legendary cross of Northern Lights and White Widow, this old-school hybrid started its life as a fiercely guarded clone-only variety bouncing around the Netherlands. It was the backbone of the European indoor scene for a long time. Eventually, breeders like United Seedbanks and Seedy Simon got their hands on it and put in the work to stabilize the genetics through careful backcrossing. The goal was to preserve that devastating indica punch while capturing the insane resin production inherited from the White Widow side of the family.
In the grow room, NLX is an absolute workhorse. It was practically tailor-made for Sea of Green setups. The plants grow incredibly uniform, focusing massive amounts of energy into one gigantic, baseball-bat-sized central cola if you keep the side-branching trimmed back. It rips through flowering in about 58 to 63 days, which made it a massive favorite for commercial cash-croppers who needed fast turnarounds without sacrificing quality. Old IC Mag grow logs are full of guys raving about how easy it is to clone, noting that it throws roots so fast you barely need rooting gel.
But the real magic is in the smoke. Forget the fruity, dessert strains of today; NLX brings a thick, lung-expanding cloud of spicy hash, damp earth, and just a faint hint of sweet citrus on the exhale. It’s that classic "couch-lock" high that melts your muscles and leaves you staring blankly at the TV. While the original clone is incredibly tough to track down now, the seed versions from European banks still carry that vintage, no-nonsense potency. It’s a perfect blast from the past for anyone who misses the golden era of Amsterdam genetics.
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Similar strains
| Breeder | United Seedbanks |
|---|---|
| Type | mostly indica |
| Flowering time | ±58 days |
| Environment | Outdoors |
| Lineage | NLX |
| Descendants | X-Dog, NLX x Master Ice, NLX x Purpurea 09, NLX Special, Master Ice, Sweet Tooth x NLX Autoflowering, Breeders Choice - N.L.A, NLX, N.L.A, NLX |
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🧬 Explore the family: NLX · X-Dog · NLX x Master Ice · NLX x Purpurea 09 · NLX Special · Master Ice · Sweet Tooth x NLX Autoflowering · Breeders Choice - N.L.A · NLX
Ancestry Pedigree
Clone Only Strains
Unknown or Legendary
Original Strains
Unknown or Legendary
De Sjamaan
Original Strains
Original Strains
Growing NLX: what to expect
As an indica-leaning plant, expect a modest stretch after the flip (roughly 50–100%) and dense bud structure — which makes late-flower humidity discipline the main risk: keep RH in the 40s once buds fatten to stay ahead of mold. Growers familiar with NLX 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.
NLX FAQ
How long does NLX take to flower?
NLX typically flowers in around 58 days after switching to a 12/12 light schedule. Individual phenotypes vary, so judge harvest readiness by trichome color, not the calendar.
Is NLX an indica or a sativa?
NLX is listed as mostly indica.
What are the parents of NLX?
NLX was bred from NLX by United Seedbanks.
What environment does NLX 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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