Super Lemon Haze by Green House
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Super Lemon Haze (often abbreviated as SLH) is a modern classic and a towering achievement in sativa-dominant breeding. Created in the late 1990s by the legendary late breeder Franco Loja and Arjan Roskam at Amsterdam's Green House Seed Co., it is a masterful cross between the zesty Lemon Skunk and the multi-award-winning Super Silver Haze. This precise genetic pairing resulted in a vigorously growing plant that beautifully combined the soaring, cerebral euphoria of a Haze with the intense, candy-like citrus terpenes of the Skunk.
The strain achieved legendary status almost immediately after winning back-to-back High Times Cannabis Cups in 2008 and 2009. These high-profile victories catapulted Super Lemon Haze to international stardom, with Arjan Roskam once proudly dubbing it the "world's most famous plant." Its aroma is unmistakable: a sharp, intensely sweet blast of lemon drop candy and citrus zest, anchored by subtle earthy and spicy undertones driven by a profoundly limonene-rich terpene profile.
In today's market, Super Lemon Haze remains a highly sought-after staple for daytime users, creatives, and medical patients seeking energetic relief from fatigue and depression. While the original Green House cut remains the gold standard, the immense popularity of the SLH name has led to numerous spin-offs and variations. Experienced growers and enthusiasts often reminisce on Reddit about the unparalleled quality of the 2008-era batches, though the true, 10-to-12-week-flowering Super Lemon Haze continues to be celebrated as a vibrant, mood-elevating masterpiece.
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Similar strains
| Breeder | Green House |
|---|---|
| Type | mostly sativa |
| Flowering time | ±67 days |
| THC | 22.9% |
| CBD | 0.23% |
| Environment | Outdoors |
| Lineage | Super Silver Haze × Lemon Skunk |
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Growing Super Lemon Haze: 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 Super Silver Haze or Lemon Skunk 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.
Super Lemon Haze FAQ
How long does Super Lemon Haze take to flower?
Super Lemon Haze typically flowers in around 67 days after switching to a 12/12 light schedule. Individual phenotypes vary, so judge harvest readiness by trichome color, not the calendar.
Is Super Lemon Haze an indica or a sativa?
Super Lemon Haze is listed as mostly sativa.
What are the parents of Super Lemon Haze?
Super Lemon Haze was bred from Super Silver Haze × Lemon Skunk by Green House.
How strong is Super Lemon Haze?
Reported THC for Super Lemon Haze is 22.9% and CBD 0.23%. Actual potency depends heavily on environment, harvest ripeness, and cure quality.
What environment does Super Lemon Haze 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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