Yumbolt by Sagarmatha
2 other breeders' versions of Yumbolt — compare flowering times side by side →
Yumbolt is straight out of the old-school legends, carrying that heavy, narcotic Afghan and Himalayan landrace bloodline. The story goes that these seeds made their way into Humboldt County back in the late 70s, where legacy growers acclimatized them for decades before the clone crossed the pond. Sagarmatha Seeds got ahold of it in Holland in the 90s, stabilizing it into the absolute powerhouse that eventually swept the Indica category at the 2001 High Times Cannabis Cup. It’s a true connoisseur's smoke, packing that vintage earthy, sweet pine profile that just screams late 90s nostalgia.
When you pop these beans, you're not getting those stretched-out, lanky branches you see on modern poly-hybrids. Yumbolt stays squat, bushing out nicely and throwing down dense, golf ball-shaped nugs that look like little frosted pinecones. Growers back in the day loved how she performed in both sea of green setups and outdoor light deprivation greenhouses. The resin coats everything, making it an absolute nightmare to trim but a dream if you're washing it for bubble hash. The flavor translates beautifully to the smoke, leaving a sweet, hash-like taste on your tongue long after the exhale.
The high is what made it famous, delivering a devastating body melt that couch-locks even the most seasoned smokers. This isn't your daytime productive weed; it's the stuff you roll up when the trimmers have gone home and your back is screaming from hauling soil all day. While you won't see Yumbolt headlining dispensary menus anymore, it’s still whispered about on old forums like Overgrow. If you manage to find a cut or some old Sagarmatha stock, you hold onto it. It's a living piece of cannabis history that still outshines half the hype gear out there today.
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Similar strains
| Breeder | Sagarmatha |
|---|---|
| Type | mostly indica |
| Flowering time | ±60 days |
| Environment | Outdoors |
| Lineage | Humboldt |
| Descendants | La Resinosa, Yumbolt 47, G Bolt, Smile, Yummy, Yumbolt, Critical Yumbolt, Thunderboldt, Terminator, Fresh Diamond, Sanctuary, Kryptonite, Afgan Kush x Yumbolt, All-in Medicinal Seeds - Big Bolt, Lowboldt, Auto Yumbolt, Yumbolt, K-13, Yumbolt x Vintage 2006 |
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🧬 Explore the family: Humboldt · La Resinosa · Yumbolt 47 · G Bolt · Smile · Yummy · Yumbolt · Critical Yumbolt · Thunderboldt
Ancestry Pedigree
Unknown or Legendary
Original Strains
Growing Yumbolt: 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 Humboldt 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.
Yumbolt FAQ
How long does Yumbolt take to flower?
Yumbolt typically flowers in around 60 days after switching to a 12/12 light schedule. Individual phenotypes vary, so judge harvest readiness by trichome color, not the calendar.
Is Yumbolt an indica or a sativa?
Yumbolt is listed as mostly indica.
What are the parents of Yumbolt?
Yumbolt was bred from Humboldt by Sagarmatha.
What environment does Yumbolt 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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