Premium Kees’ Old School Haze Seeds: The 100% Pure Sativa ‘Blast from the Past’
If you are looking to secure a true piece of cannabis history, Kees’ Old School Haze Regular By Super Sativa Seed Club seeds offer the ultimate blast from the past. Serving as the absolute cornerstone of the Super Sativa Seed Club for almost 35 years, this 100% pure Sativa remains as strong and relevant today as it was decades ago. Boasting an Extremely High THC concentration, huge XL yields, and a highly unique dark musky and pungent ammonia flavor profile, Kees’ Old School Haze delivers a seriously strong, trippy experience that will leave you feeling like you are walking on a marshmallow pavement.
Key Technical Specifications
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Genetics / Lineage: Original SSSC Old School Haze
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Seed Type: Regular Seeds (Produces both male and female plants)
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Strain Type: 100% Pure Sativa
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THC Content: Very High
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Flowering Time: 12–13 weeks
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Yield: XL (Huge harvests in optimized conditions)
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Aroma & Flavor: Old-school brown herbal, dark musk, pungent ammonia, and fresh citrus
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Primary Effects: Trippy euphoria, soaring cerebral head high, and a “floating” physical sensation
Cultivation Profile: The Connoisseur’s Challenge
Cultivating Kees’ Old School Haze is an incredibly rewarding pursuit, but it is explicitly designed for the more experienced grower. Because it is a 100% pure Sativa, it requires a grower who is capable of maintaining a perfectly balanced, stable environment at all times.
While she grows in the blink of an eye during the vegetative stage, her pure Sativa lineage demands a lengthy 12 to 13-week flowering period. However, for the cultivator with the patience and skill to keep her dialed in, Kees’ Old School Haze will reward that dedication with genuinely huge, XL harvests of premium, old-school Sativa buds.
Grower’s Tips for Success:
Dial in the Environment: This strain does not tolerate wild swings in temperature or humidity. Ensure your climate control is strictly regulated from seed to harvest to unlock those massive XL yields.
Patience is Key: A 13-week flowering time is a marathon, not a sprint. Do not rush the harvest. Let the trichomes fully mature to ensure you capture the absolute peak of that famously trippy Sativa high.
Plan for Regular Seeds: Remember that these are regular seeds, meaning your garden will yield a mix of male and female plants. Monitor the pre-flowering stage closely and cull the males early if your goal is strictly premium, seedless (sinsemilla) flower.
Flavor & Terpene Profile: Pungent Ammonia & Dark Musk
Kees’ Old School Haze offers the world the original Haze taste experience. It completely bypasses modern sweet/candy profiles for something much darker, sharper, and deeply complex.
| Sensory Phase | Flavor & Aroma Profile |
| The Aroma | A loud, intensely pungent fragrance dominated by sharp ammonia, dark musk, and old-school brown herbal notes. |
| The Inhale | A thick, heavy draw that coats the palate with rich, musky earth and a surprising, refreshing touch of fresh citrus. |
| The Exhale | A highly satisfying, lingering finish where the sharp ammonia and deeply herbal, traditional Haze flavors take center stage. |
The Experience: Walking on a Marshmallow Pavement
Fueled by an Extremely High THC concentration and 100% pure Sativa genetics, Kees’ Old School Haze delivers a seriously strong smoke that is not meant for novices.
The experience initiates with a fast-acting, soaring cerebral rush. It delivers a powerfully euphoric, trippy head high that actively shifts your perception. As the mental effects peak, a highly unique physical sensation takes over—it produces a distinctly weightless, floating feeling, often described by fans as “walking on a marshmallow pavement.” It is the ultimate old-school Sativa ride, perfect for getting lost in music, deep philosophical conversations, or creative exploration.
Ethan Stephens –
I’ll keep this in rotation and hung it and the room filled. Real bag appeal.
Tariq Moss –
ngl wanted a bit of work. Lights out later.
Kwaku Nolan –
A loud room by week 5. Solid sit at first. Easy feed the whole time. Not marketing loud, just a home jar I actually finish. Grew this as a sativa.
Byron Kent –
Tent stay was uneventful in a good way. Flip to a 12/12 flower schedule went clean. Swapped RDWC weekly and EC stayed calm. Smoother smoke than my last run. Glad I waited it out.
Saul M –
Evening smoke sits calm without racing thoughts; Kees’ Old School Haze behaved well in my space; Glad I ran it. Canopy evened out after a soft screen; Solid run for the space.