Star Pupil by MassMedicalStrains
Listen, if you've been kicking around the forums for the last decade, you've definitely seen the debates around Star Pupil by Mass Medical Strains. This cut is famous for throwing down some of the most ridiculous purple, pink, and straight-up black hues you'll ever see in a garden, basically regardless of your nighttime temps. Bred from a Thai and Afghan/Pakistani hybrid, it's got that old-world head high paired with dense, greasy resin production that you usually don't see on plants with this kind of leaf structure.
Growers who know what they're doing will tell you she finishes up in about nine weeks and handles training like a champ. It's not the heaviest yielder on the block, but the bag appeal is off the charts. The smell is a wild mix of classic floral incense, sharp citrus, and a funk that reminds you of old-school hashish. It's the kind of complex terpene profile that fills a room and sticks to your fingers long after trim jail is over.
Sure, there's been some drama on Overgrow and Rollitup about the breeder's claims and exact origins, but real heads know you grow the plant, not the politics. When you pop these beans, you're looking for that signature upbeat, soothing high that just melts away the day. If you want something genuinely unique that brings absolute fire to the stash jar and stands out in a sea of dessert weed, Star Pupil is a heavy hitter you need to run at least once.
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Similar strains
| Breeder | MassMedicalStrains |
|---|---|
| Type | indica/sativa |
| Flowering time | ±60 days |
| Environment | Outdoors |
| Lineage | Afghani × Thailand Sativa |
| Descendants | Acapulco Pupil, Panama Pupil V2, Amnesia Pupil, Patchouli Pupil, Chupil, Bubba Pupil, Valedictorian, Pu Tang, Lamb's Pupil, Vanilla Pupil, Drippy Eye, Super Silver Pupil, Bubba Pupil, Mr. E Pupil, Golden Pupil, Prayer Glue x Star Pupil, Pupiltonic, Grandaddy Pupil, Lab Leak, Purple Sponge, Grape Pupil, King Pupil, Indigo Child, Triangle Pupil, Fisheye OG, Kernel Pupil, Mexican Bacon, Stardawg x Star Pupil, Star Pupil x Weapon X, Panama Pupil V1, Prayer Pupil, Supa Star, Rick's Pupil, Katsu Pupil, Simple Rick's Wafferz, Stellar Collision |
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🧬 Explore the family: Afghani · Thailand Sativa · Acapulco Pupil · Panama Pupil V2 · Amnesia Pupil · Patchouli Pupil · Chupil · Bubba Pupil · Valedictorian · Pu Tang
Ancestry Pedigree
Unknown or Legendary
Original Strains
Growing Star Pupil: 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 Afghani or Thailand Sativa 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.
Star Pupil FAQ
How long does Star Pupil take to flower?
Star Pupil 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 Star Pupil an indica or a sativa?
Star Pupil is listed as indica/sativa.
What are the parents of Star Pupil?
Star Pupil was bred from Afghani × Thailand Sativa by MassMedicalStrains.
What environment does Star Pupil 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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Facts compiled from public breeder listings. Growing Star Pupil? A structured journal — with your feedings, readings, and photos — is how you find what THIS cut actually wants.
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