Block Head by Spice of Life
If you bring up Breeder Steve and Spice of Life Seeds to any grower who was active in the early 2000s, Block Head is the strain that gets spoken about in hushed tones. The lineage is pure old-school mystery meeting elite Canadian genetics. Steve took a mystery mother plant sourced from an eccentric American breeder—a freak of nature that grew like a massive sativa but dumped dense, hard indica rocks—and crossed it with the same Sweet Tooth father he used for Sweet Tooth #3. The result was a monstrously potent, heavy-yielding indica dominant hybrid that became the Holy Grail for hash makers and cash croppers alike.
Over on the legacy forums, finding original Block Head regular seeds is basically like finding a unicorn. The terpene profile was entirely its own thing; it didn't smell like the typical fruity Sweet Tooth stuff. Growers described it as intensely musky, earthy, and musty, with just a faint background of sweet grapefruit. But what really made it legendary was the structure. The buds were literally block-shaped, incredibly dense, and packed on weight so fast you had to stake every single branch by week five of flower.
Because Spice of Life shut down, preserving this line became a massive community effort on boards like ICMag. Serious breeders started doing backcrosses and IBL projects just to keep the genetics alive. Bodhi even dropped a Blockhead BX using Snow Lotus just to get those genetics back into the hands of the people. It’s a true piece of cannabis history—a strain that proved you didn't have to sacrifice yield for devastating potency and unique, old-school funk.
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Similar strains
| Breeder | Spice of Life |
|---|---|
| Type | mostly indica |
| Flowering time | ±64 days |
| Environment | Outdoors |
| Lineage | Pakistan Indica × Sweet Tooth |
| Descendants | Blockhead BX, Mau-Mau, Blue Sonja, Town & Country, Snow Lotus, Genehtik Seeds - Buruandi, Unknown or Legendary - Snow Lotus, Blockhead, Dirty Hippy |
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🧬 Explore the family: Pakistan Indica · Sweet Tooth · Blockhead BX · Mau-Mau · Blue Sonja · Town & Country · Snow Lotus · Genehtik Seeds - Buruandi · Unknown or Legendary - Snow Lotus · Blockhead
Ancestry Pedigree
Original Strains
Spice of Life Seeds
Spice of Life Seeds
Clone Only Strains
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Original Strains
DJ Short
Unknown or Legendary
DJ Short
Unknown or Legendary
Unknown or Legendary
Unknown or Legendary
Original Strains
Unknown or Legendary
Original Strains
Unknown or Legendary
Original Strains
Unknown or Legendary
Original Strains
Unknown or Legendary
Growing Block Head: 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 Pakistan Indica or Sweet Tooth 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.
Block Head FAQ
How long does Block Head take to flower?
Block Head typically flowers in around 64 days after switching to a 12/12 light schedule. Individual phenotypes vary, so judge harvest readiness by trichome color, not the calendar.
Is Block Head an indica or a sativa?
Block Head is listed as mostly indica.
What are the parents of Block Head?
Block Head was bred from Pakistan Indica × Sweet Tooth by Spice of Life.
What environment does Block Head 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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