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Grounded GeneticsMary Jane Berlin DropFall Seed DropSelected releases at OSG
Selected Grounded Genetics releases
Grounded Genetics Seeds
Grounded Genetics develops contemporary seed releases around lines including Peach Guava, Blucci and Ultraviolet Sherb. Old School Genetics presents the Mary Jane Berlin and Fall Seed selections through our relationship with the breeder, with each variety identified by its cross, release and individual product information.
Editorial and genetic context reviewed by Oldman Green · Product pages show current price and availability
Two release collectionsMary Jane Berlin Drop and Fall Seed Drop.
15 listed varietiesSix Mary Jane Berlin and nine Fall Seed references.
Traceable crossesParentage and release context for each listed variety.
Independent breederGrounded Genetics releases presented by Old School Genetics.
First collection
Mary Jane Berlin Drop
Six crosses show distinct parental routes: Zangria with Blucci; Z Face and Xeno with Ultraviolet Sherb; and Rainbow Belts 2.0, Candy Matterz and Tropical Limez with Peach Guava.
Drag or use the keyboard to explore the complete drop →
Second collection
Fall Seed Drop
Nine further releases extend those lines. OZ Guava pairs Ozark with Peach Guava; Blue Honey pairs Pink Honey with Blucci; Chrome Sherb pairs Z Road with Ultraviolet Sherb; and Sour Peachez pairs Zowahh with Peach Guava.
Pink Plumz — Grounded Genetics
$85.00Pink Plumz is a feminised release from Grounded Genetics, created by taking the breeder’s selected Plumz keeper and pollinating it with reversed Pink Limez. The result brings together several generations of Grounded Genetics breeding work across a clearly traceable modern lineage.
Genetic Information
- Breeder: Grounded Genetics
- Strain: Pink Plumz
- Lineage: Plumz x Pink Limez
- Plumz: Zerberry x PapayaDawg
- Pink Limez: Lemonnade x Runtz
- Seed Type: Feminized
Blue Honey — Grounded Genetics
$85.00Blue Honey is a feminised release from Grounded Genetics, built around a layered modern genetic background that combines sweet, resin-heavy and contemporary American influences.
Genetic Information
- Breeder: Grounded Genetics
- Strain: Blue Honey
- Reported Lineage: Pink Honey x Blucci
- Pink Honey background: Papaya x GMO x Ozark
- Blucci background: Blue Sherb x (41 x Sherb BX1) x RS11
- Seed Type: Feminized
OZ Guava — Grounded Genetics
$85.00OZ Guava is a feminised release from Grounded Genetics, created by crossing the breeder’s selected Ozark cut with a reversed Peach Guava. Part of the Peach Guava Collection, this line brings together a strong OZ/Zkittlez-driven foundation with the fruit-forward direction of Grounded Genetics’ Peach Guava work.
Genetic Information
- Breeder: Grounded Genetics
- Strain: OZ Guava
- Lineage: Ozark x Peach Guava
- Seed Type: Feminised
- Collection: Peach Guava Collection
Blue Beluga — Grounded Genetics
$85.00Blue Beluga is a feminized release from Grounded Genetics, created from the cross Blucci x Peach Guava. It combines one of the breeder’s established Blucci lines with the fruit-forward Peach Guava reversal, placing it firmly within Grounded Genetics’ modern selection-driven breeding work.
Genetic Information
- Breeder: Grounded Genetics
- Strain: Blue Beluga
- Lineage: Blucci x Peach Guava
- Seed Type: Feminized
Chrome Sherb — Grounded Genetics
$85.00Chrome Sherb is a feminized release from Grounded Genetics, created from the cross Z Road x Ultraviolet Sherb. This pairing brings together one of Grounded Genetics’ established Z-focused lines with a carefully selected Sherb-based donor, resulting in a modern hybrid with strong breeding continuity and a clearly traceable pedigree.
Genetic Information
- Breeder: Grounded Genetics
- Strain: Chrome Sherb
- Lineage: Z Road x Ultraviolet Sherb
- Seed Type: Feminized
- Type: Photoperiod
Blue Bacio — Grounded Genetics
$85.00Blue Bacio is a feminized release from Grounded Genetics, originally launched in 2021 and now returning from the breeder’s vault for the first time since that initial drop.
Built from two elite clone-only cuts, Blue Sherbert was pollinated with a reversed Bacio Gelato, bringing together two lines that strongly represent the late-2010s California genetic scene.
Genetic Information
- Breeder: Grounded Genetics
- Strain: Blue Bacio
- Lineage: Blue Sherbert x Bacio Gelato
- Mother: Original Blue Sherbert clone-only
- Pollen Donor: Reversed Bacio Gelato
- Seed Type: Feminized
Maracuya — Grounded Genetics
$85.00Maracuya is a feminised release from Grounded Genetics, created by pollinating their selected Zwisher with a reversed Peach Guava. More than just a fruit-forward hybrid, this line represents several generations of in-house breeding work, with Grounded Genetics having developed not only the parents, but also much of the deeper pedigree behind the cross.
Genetic Information
- Breeder: Grounded Genetics
- Strain: Maracuya
- Lineage: Zwisher x Peach Guava
- Zwisher: Swoosh x (Zkittlez x Shoreline)
- Peach Guava: Peach Limeade x Key Lime Guava
- Seed Type: Feminized
Zaffron — Grounded Genetics
$85.00Zaffron is a feminized release from Grounded Genetics, bringing together two of the breeder’s most established in-house lines: Zerberry x Peach Guava.
Developed through approximately five years of selective breeding, Zaffron represents the convergence of multiple generations of hunting, testing and line development across both sides of its pedigree.
Genetic Information
- Breeder: Grounded Genetics
- Strain: Zaffron
- Lineage: Zerberry x Peach Guava
- Seed Type: Feminized
Sour Peachez — Grounded Genetics
$85.00Sour Peachez is a feminized collaboration release from Grounded Genetics, combining the legendary Zowahh from Karma Genetics with a reversed Peach Guava.
Built from Zowahh (Zkittlez x Sour BX2) x Peach Guava, the line merges sour fuel, gassy candy and tropical fruit into a balanced modern hybrid with strong resin production and clear selection potential.
Genetic Information
- Breeder: Grounded Genetics
- Collaboration: Karma Genetics x Grounded Genetics
- Strain: Sour Peachez
- Lineage: Zowahh x Peach Guava
- Zowahh: Zkittlez x Sour BX2
- Pollen Donor: Reversed Peach Guava
- Seed Type: Feminized
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A relationship built on breeding
Grounded Genetics and Old School Genetics
Old School Genetics has a direct relationship with Grounded Genetics and presents selected releases with respect for the breeder’s original work. The Mary Jane Berlin and Fall Seed selections show how Peach Guava, Blucci and Ultraviolet Sherb recur across different crosses.
Our role is to identify the breeder, parentage and release for each variety, while keeping Grounded’s breeding distinct from OSG’s own projects. Product pages provide current pack details and availability.
Parentage across the releases
Grounded Genetics Genetic Lines
Shared parental line
Peach Guava crosses
Peach Yuzu, Peach Gummies, OZ Guava and Sour Peachez each pair a different line with Peach Guava.
Shared parental line
Blucci crosses
Blu Zang is Zangria × Blucci; Blue Honey is Pink Honey × Blucci. Blue Beluga is listed separately as Bluzzi × Peach Guava.
Shared parental line
Ultraviolet Sherb crosses
Pink Zoda, Nigiri and Chrome Sherb pair Z Face, Xeno and Z Road respectively with Ultraviolet Sherb.
Direct and deeper pedigree
Zerberry references
Zaffron is Zerberry × Peach Guava. Pink Plumz carries Zerberry through Plumz, listed as Zerberry × PapayaDawg.
Complete collection
Full Grounded Genetics Catalogue
Compare the parentage of all fifteen varieties represented in these two releases. Each plant card names the immediate cross and leads to the individual product page for further details.
Breeder authority
Grounded Genetics: selection through related lines
Peach Guava, Blucci and Ultraviolet Sherb appear repeatedly in the releases represented here. Comparing the immediate crosses shows how these lines meet distinct selections such as Ozark, Zangria and Z Road.
For the breeder’s own account of its history and wider projects, visit the official Grounded Genetics profile.
Mary Jane Berlin Drop — plant gallery
Six releases and their immediate crosses, from Zangria × Blucci to Tropical Limez × Peach Guava.
Fall Seed Drop
Nine crosses including Plumz × Pink Limez, Bluzzi × Peach Guava and Zerberry × Peach Guava.
Buyer reference
Grounded Genetics FAQ
What is Grounded Genetics?
Grounded Genetics is an independent breeder whose releases represented here use lines including Peach Guava, Blucci and Ultraviolet Sherb. Old School Genetics presents its selected packs and identifies their breeding origin.
Which Grounded Genetics drops are available at OSG?
OSG lists six Mary Jane Berlin releases and nine Fall Seed releases. Each product page shows its current availability and pack details.
Which varieties are included in the Mary Jane Berlin Drop?
Blu Zang, Pink Zoda, Peach Yuzu, Peach Gummies, Nigiri and Lime Zoda are grouped in the Mary Jane Berlin Drop on this landing.
Which varieties are included in the Fall Seed Drop?
Pink Plumz, Blue Honey, OZ Guava, Blue Beluga, Chrome Sherb, Blue Bacio, Maracuya, Zaffron and Sour Peachez form the Fall Seed Drop represented at OSG.
Does Old School Genetics breed Grounded Genetics seeds?
No. Grounded Genetics is an independent breeder. Old School Genetics presents selected releases and identifies Grounded as their breeder; distribution alone does not imply a breeding collaboration.
Which Grounded Genetics lines appear across both drops?
Peach Guava appears in several crosses in both releases. Blucci appears in Blu Zang and Blue Honey, while Ultraviolet Sherb appears in Pink Zoda, Nigiri and Chrome Sherb. See the parentage shown beside each variety.
What is the lineage of Sour Peachez?
Sour Peachez is listed as Zowahh × Peach Guava. It is presented here as a Grounded Genetics release; a parental name alone does not establish a formal co-breeding collaboration.
Where can I check stock and pack details?
Each individual product page shows the current price, availability and pack information.
Showing 1–12 of 15 results
Blu Zang — Grounded Genetics
$90.00Blu Zang by Grounded Genetics combines Zangria with Blucci, bringing together Thin Mint GSC, Zkittlez, Blue Sherb, Jealousy and RS11 in a modern blue-fruit and sherb-driven hybrid.
Full lineage:
(Thin Mint GSC × Zkittlez) × ((Blue Sherb × Jealousy) × RS11)
Part of the limited Grounded Genetics Post Mary Jane Drop.
Blue Bacio — Grounded Genetics
$85.00Blue Bacio is a feminized release from Grounded Genetics, originally launched in 2021 and now returning from the breeder’s vault for the first time since that initial drop.
Built from two elite clone-only cuts, Blue Sherbert was pollinated with a reversed Bacio Gelato, bringing together two lines that strongly represent the late-2010s California genetic scene.
Genetic Information
- Breeder: Grounded Genetics
- Strain: Blue Bacio
- Lineage: Blue Sherbert x Bacio Gelato
- Mother: Original Blue Sherbert clone-only
- Pollen Donor: Reversed Bacio Gelato
- Seed Type: Feminized
Blue Beluga — Grounded Genetics
$85.00Blue Beluga is a feminized release from Grounded Genetics, created from the cross Blucci x Peach Guava. It combines one of the breeder’s established Blucci lines with the fruit-forward Peach Guava reversal, placing it firmly within Grounded Genetics’ modern selection-driven breeding work.
Genetic Information
- Breeder: Grounded Genetics
- Strain: Blue Beluga
- Lineage: Blucci x Peach Guava
- Seed Type: Feminized
Blue Honey — Grounded Genetics
$85.00Blue Honey is a feminised release from Grounded Genetics, built around a layered modern genetic background that combines sweet, resin-heavy and contemporary American influences.
Genetic Information
- Breeder: Grounded Genetics
- Strain: Blue Honey
- Reported Lineage: Pink Honey x Blucci
- Pink Honey background: Papaya x GMO x Ozark
- Blucci background: Blue Sherb x (41 x Sherb BX1) x RS11
- Seed Type: Feminized
Chrome Sherb — Grounded Genetics
$85.00Chrome Sherb is a feminized release from Grounded Genetics, created from the cross Z Road x Ultraviolet Sherb. This pairing brings together one of Grounded Genetics’ established Z-focused lines with a carefully selected Sherb-based donor, resulting in a modern hybrid with strong breeding continuity and a clearly traceable pedigree.
Genetic Information
- Breeder: Grounded Genetics
- Strain: Chrome Sherb
- Lineage: Z Road x Ultraviolet Sherb
- Seed Type: Feminized
- Type: Photoperiod
Lime Zoda — Grounded Genetics
$90.00Lime Zoda by Grounded Genetics combines Tropical Limez with Peach Guava, creating a lime-forward hybrid with tropical fruit, peach and candy influence.
Full lineage:
(Pink Limez × Zhoreline) × (Peach Limeade × Key Lime Guava)
A limited release from the Grounded Genetics Post Mary Jane Drop.
Maracuya — Grounded Genetics
$85.00Maracuya is a feminised release from Grounded Genetics, created by pollinating their selected Zwisher with a reversed Peach Guava. More than just a fruit-forward hybrid, this line represents several generations of in-house breeding work, with Grounded Genetics having developed not only the parents, but also much of the deeper pedigree behind the cross.
Genetic Information
- Breeder: Grounded Genetics
- Strain: Maracuya
- Lineage: Zwisher x Peach Guava
- Zwisher: Swoosh x (Zkittlez x Shoreline)
- Peach Guava: Peach Limeade x Key Lime Guava
- Seed Type: Feminized
Nigiri — Grounded Genetics
$90.00Nigiri by Grounded Genetics combines Xeno with Ultraviolet Sherb, bringing Zkittlez, Kush Mints, Sunset Sherb, Runtz and RS11 influence into a modern sherb-driven hybrid.
Full lineage:
(Zkittlez × Kush Mints) × ((Sunset Sherb × Runtz) × RS11)
Part of the limited Grounded Genetics Post Mary Jane Drop.
OZ Guava — Grounded Genetics
$85.00OZ Guava is a feminised release from Grounded Genetics, created by crossing the breeder’s selected Ozark cut with a reversed Peach Guava. Part of the Peach Guava Collection, this line brings together a strong OZ/Zkittlez-driven foundation with the fruit-forward direction of Grounded Genetics’ Peach Guava work.
Genetic Information
- Breeder: Grounded Genetics
- Strain: OZ Guava
- Lineage: Ozark x Peach Guava
- Seed Type: Feminised
- Collection: Peach Guava Collection
Peach Gummies — Grounded Genetics
$90.00Peach Gummies by Grounded Genetics combines Candy Matterz with Peach Guava, creating a candy, peach, lime and fruit-forward hybrid within the limited Post Mary Jane Drop.
Full lineage:
(Urkle × Candy Fumez) × (Peach Limeade × Key Lime Guava)
A modern flavour-driven release curated by Old School Genetics.
Peach Yuzu — Grounded Genetics
$90.00Peach Yuzu by Grounded Genetics combines Rainbow Belts 2.0 with Peach Guava, bringing together candy-Z influence, peach, lime and tropical citrus direction in a modern terp-driven hybrid.
Full lineage:
Rainbow Belts × (Peach Limeade × Key Lime Guava)
Part of the limited Grounded Genetics Post Mary Jane Drop, curated by Old School Genetics.
Pink Plumz — Grounded Genetics
$85.00Pink Plumz is a feminised release from Grounded Genetics, created by taking the breeder’s selected Plumz keeper and pollinating it with reversed Pink Limez. The result brings together several generations of Grounded Genetics breeding work across a clearly traceable modern lineage.
Genetic Information
- Breeder: Grounded Genetics
- Strain: Pink Plumz
- Lineage: Plumz x Pink Limez
- Plumz: Zerberry x PapayaDawg
- Pink Limez: Lemonnade x Runtz
- Seed Type: Feminized