High School Sweetheart by Gage Green

High School Sweetheart strain photo
Type indica/sativaFlower ±60 daysCross Cherry Pie Kush × Grateful Breath F2

When the Gage Green Group dropped High School Sweetheart, they gave the community a masterclass in combining nostalgic dessert terps with absolute hybrid vigor. Crossing their tightly held Cherry Pie Kush mother with a Grateful Breath male, they created a 50/50 balanced beast that growers immediately recognized as something special. Gage Green held onto that Cherry Pie Kush cut for nearly a decade before unleashing it here, and the resulting offspring are just dripping with resin. It's no wonder the hash makers went crazy for it right out of the gate.

In the garden, this strain throws some serious weight and vigor compared to the finicky Cookie and Pie cuts of the era. She stretches nicely in early flower and stacks massive, swollen calyxes that look like they've been rolled in sugar. Guys running her indoor often report that she dominates the canopy, showing off stunning magenta and deep purple colors by week eight. You don't need to baby her too much either; she handles a heavy feed schedule like a champ and rewards you with greasy, sticky colas that reek of baked cherry pastries and gassy, earthy funk.

The smoke itself hits you right between the eyes before settling heavy into your limbs. It's the kind of high that makes you want to sit back and appreciate the craftsmanship that went into breeding it. Since its release, High School Sweetheart has become a cornerstone for other breeders—you see it popping up in crosses from Monster Breeders and Sunken Treasure Seeds. But honestly, popping a pack of the original F1s and hunting through those frosty phenotypes is an experience every serious grower should have at least once.

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Similar strains

Baby BreathGage Green · ±60 daysOut Of Body ExperienceGage Green · ±60 daysBreathwork #2Gage Green · ±60 daysBreathwork #1Gage Green · ±60 daysSophisticated LadyGage Green · ±53 daysVistaGage Green · ±53 daysBlueberry Brulee 2.0Covert Genetics · ±60 daysBlueberry BudSagarmatha · ±60 daysChemistMr. Ghost · ±60 daysCherries, Berries & Funk V2Strait A Genetics · ±60 daysCherry BreathThugPug Genetics · ±60 daysCherry DieselMTG Seeds · ±60 daysAll Gage Green →
BreederGage Green
Typeindica/sativa
Flowering time±60 days
EnvironmentOutdoors
LineageCherry Pie Kush × Grateful Breath F2
DescendantsProcession of the Sage, Hawaiian Sweetheart, Luna Golden, Strawberry Milkshake, Tinashe, High School Sweet Heart Breath, Praevalere, Bye-Ya, Introduction, Prom Queen, The Threshold, White Claw, Dark Chocolate, Dance of the Earth, High School Sweetheart BX, Blossom, The Chosen One, Spring Rounds

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🧬 Explore the family: Cherry Pie Kush · Grateful Breath F2 · Procession of the Sage · Hawaiian Sweetheart · Luna Golden · Strawberry Milkshake · Tinashe · High School Sweet Heart Breath · Praevalere · Bye-Ya

Ancestry Pedigree

Cherry Pie Kush
Unknown or Legendary
Cherry Pie
Clone Only Strains
Durban Poison
Dutch Passion
Durban Poison
Unknown or Legendary
South Africa Sativa
Original Strains
Grand Daddy Purple
Unknown or Legendary
Purple Urkel
Clone Only Strains
Mostly Indica
Original Strains
Big Bud
The Seed Bank
USA Indica
Original Strains
Purest Indica
Clone Only Strains
Afghani
Unknown or Legendary
Afghani
Unknown or Legendary
Afghanistan Indica
Original Strains
USA Indica
Original Strains
Chemdog
Unknown or Legendary
Indica Sativa
Original Strains
Grateful Breath F2
Gage Green Genetics
Grateful Breath
Gage Green Genetics
Cherry Pie Kush
Unknown or Legendary
Joseph
Gage Green Genetics
Underdawg OG
Clone Only Strains
OG Kush
Clone Only Strains
Unknown Strain
Original Strains
Hindu Kush Indica
Original Strains
Sour Diesel
Unknown or Legendary
Original Diesel
Unknown or Legendary
MassSuperSkunk
Unknown or Legendary
Super Skunk
Sensi Seeds
Skunk Nr1
Sensi Seeds
Skunk Nr1
The Seed Bank
Skunk Nr1
Cultivators Choice
Afghanistan Indica
Original Strains
Mexico Sativa
Original Strains
Afghanistan Indica
Original Strains
Chemdog
Unknown or Legendary
DNL
Unknown or Legendary
RFK
Unknown or Legendary
Skunk
Unknown or Legendary
Skunk Nr1
Cultivators Choice
Northern Lights
Unknown or Legendary
Purest Indica
Clone Only Strains
Grateful Breath
Gage Green Genetics

Growing High School Sweetheart: 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 Cherry Pie Kush or Grateful Breath F2 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.

High School Sweetheart FAQ

How long does High School Sweetheart take to flower?

High School Sweetheart 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 High School Sweetheart an indica or a sativa?

High School Sweetheart is listed as indica/sativa.

What are the parents of High School Sweetheart?

High School Sweetheart was bred from Cherry Pie Kush × Grateful Breath F2 by Gage Green.

What environment does High School Sweetheart 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 High School Sweetheart? A structured journal — with your feedings, readings, and photos — is how you find what THIS cut actually wants.

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Published by Cultivar (logmygrow.com), a structured grow journal. These reference bands are the same ones the app grades real grows against. Free to cite with a link. Some outbound product links are affiliate links — see disclosures.