Why This Pack
GreenFire Genetics handed me this sealed pack straight from their vault six months ago, and I've been sitting on it ever since — probably the only two copies in circulation right now. This isn't stock that moved through three wholesalers and a distributor. Chain of custody is clean, sealed, refrigerated, the whole thing. When you grab this, you're getting genetics that came directly from the hands that bred it.
Grand Blueberry Pie solves a real genetic problem: how do you cross a pure sativa (Durban Poison) with a modern indica (Grape Flame) and keep structure, yield, and sedation without losing vigor or breeding out the color? GreenFire nailed it. This is an indica-dominant hybrid that doesn't slouch on structure or metabolic drive — the Durban keeps the plant honest, the Grape Flame brings the density and the funk.
The Genetics
The parentage here is the whole story. Durban Poison is pure sativa ancestry — South African, landraces, metabolic fire, minimal stretch but relentless branch development and resin. Grape Flame is the modern indica side: compact, heavy, grape-forward terps, serious calyx work. When you cross them, you get a plant that stretches moderately, builds dense lateral branching, and fills in with purple-tinged, resin-heavy flowers. The Durban keeps the plant from getting leggy; the Grape Flame locks in the sedation and the color. 8–9 week flower window, 20–25% THC, moderate to heavy yield — this is a growmie's strain, not a miracle worker's strain. Phenotype hunting is real here, so grab the pheno hunting guide and plan your hunt. Blueberry, grape, and spicy-sweet aromatics come straight from the terp profile — check out the terpenes guide if you want to dig into what drives those notes.
The Story
Durban Poison has mythic status in breeding circles — the internet says it was the only pure sativa landrace that survived global prohibition without losing its genetics, but the real story is messier and more human. South Africa never criminalized cannabis seeds the way the U.S. did, so growers held onto pure Durban lines for decades. GreenFire sourcing their cross from a working Durban means they're pulling from genuine heritage stock, not modern sativa hype. Grape Flame is newer, GreenFire's own work, so this cross is essentially them asking: what happens when we marry old-world sativa structure to new-world indica density?
Ask James
Q: Why regular seeds and not feminized?
A: Regular seeds let you hunt for the phenotypes that matter to you — calyx density, terpene expression, growth pattern. You get males to work with if you want to breed. With a cross this genetic, the hunt is the whole point. Feminized packs are convenient, but regulars give you control. — James Bean, Seeds Here Now
Q: What's the yield reality on 12 plants?
A: Moderate to heavy means 1–2 oz per plant in solid indoor conditions, or 2–4 oz outdoors if you've got the season length. These aren't auto-flowering shrubs — you've got 8–9 weeks of flower, so feeding and environment matter a lot. Plan accordingly. — James Bean, Seeds Here Now
Q: Should I run this indoors or outdoors?
A: Either works, but indoors you control the 8–9 week window and maximize density. Outdoors, you need 9–10 solid weeks of frost-free weather. The Durban Poison in there appreciates light — strong lighting indoors, full sun outdoors — so don't skimp on either. — James Bean, Seeds Here Now
Frequently Asked Questions
Your Seeds, On Their Way!
The excitement of waiting for your new seeds to arrive is the best! Here’s what you need to know:
- The Basics: We’ve got all the nitty-gritty details covered in our Shipping Policy.
- The Promise: Carefully packaged seeds, delivered right to your door.
- The Next Step: Place your order, sit back, and let us handle the rest. We will send
you a
tracking number when the order has been shipped. Your seeds will be sprouting in no time.
Questions Before You Order? Contact US - We’re here to help!
![Grand Blueberry Pie - GreenFire Genetics {Regular} [12pk] – Last Pack, Will Not Restock](https://seedsherenow.com/wp-content/uploads/2026/10/SHN-969-last-pack-650x650.jpg)
Pack Size: 12
![Grand Blueberry Pie - GreenFire Genetics {Regular} [12pk] – Last Pack, Will Not Restock](https://seedsherenow.com/wp-content/uploads/2026/10/SHN-969-last-pack.jpg)
![Grand Blueberry Pie - GreenFire Genetics {Regular} [12pk] - Last Pack](https://seedsherenow.com/wp-content/uploads/2026/10/SHN-969-last-pack-150x150.jpg)