Editorial.
Notes on selection, terpenes, storage — and everything that does not fit on a product card.
Strain reviewsLemons 🍋 History and Strain Profile
🧬 Genetics: (The Lemon Tree S1 #4 x Face Off Bx1) f3 S1 🏆The Lemon Tree Awards: 🥈2014 High Times Cup - 2nd place Best Hybrid 🥇2016 Santa Cruz Cup - 1st place Best Strain 🥇2016 Santa Cruz…
TopFloor OG a.k.a. mr.gramgram · 15 September 2026 · 2 min read
Extracts🍚 Pioca is Piatella’s brother! A new type of extract!
Pioca – a new, exotic type of cannabis extract, Piatella’s brother
TopFloor OG a.k.a. mr.gramgram · 14 September 2026 · 3 min read
Strain reviews“Market Leaders” Block Toad Venom / Tide / Blueberry Caviar
Strains – market leaders 2026
TopFloor OG a.k.a. mr.gramgram · 10 September 2026 · 3 min read
Guides🫙Jar Test! 💧Washability Test! Figure out if your plant is good for extraction!
Jar Test / Iceolator Extraction
TopFloor OG a.k.a. mr.gramgram · 10 September 2026 · 4 min read
How to germinate cannabis seeds: three methods, timing and mistakes
Paper towel, a glass of water or straight into soil — which to pick, how long it takes, which way up, and why seeds fail to sprout.
Mr.GramGram · 14 June 2026 · 7 min read
Permanent Marker (SeedJunky) strain review — aroma, flavour and effect
An honest Permanent Marker review from the UKHTA breeder: the triple hybrid Biscotti × Jealousy × Sunset Sherbet — aroma, flavour, potency and comparisons.
Mr.GramGram · 12 June 2026 · 6 min read
Cannabis Polyploidy: Tetraploids, Triploids and Colchicine
What polyploidy is, how a tetraploid differs from a triploid, why triploids are sterile and how colchicine doubles chromosomes — explained in plain terms.
Mr.GramGram · 12 June 2026 · 10 min read
Is geotropism a myth? How cannabis roots actually grow
NASA research showed that roots orient towards light, not gravity. What phototropism, hydrotropism and chemotropism are, and how growers can use them.
Mr.GramGram · 11 June 2026 · 6 min read
How to Dry and Cure Cannabis Without Losing Aroma
Temperature, humidity, airflow, darkness and drying time. A breeder's step-by-step guide to preserving terpenes and flavonoids and keeping the aroma from drifting to a generic hay/Afghan note.
Mr.GramGram · 10 June 2026 · 8 min read
Terpenes, Terpenoids and Flavonoids — What Cannabis Aroma Is Made Of
Which terpenes evaporate first, why oxidation turns them into terpenoids, and how flavonoids deliver flavor, purple color and health benefits.
Mr.GramGram · 09 June 2026 · 10 min read
Colchicine: toxicity and safe handling practice
Colchicine doubles chromosomes but is extremely toxic. Protective equipment, seed treatment protocol, neutralisation and disposal — a practitioner’s breakdown.
Mr.GramGram · 08 June 2026 · 8 min read
Advanced breeding methods: haploids, tissue culture and mutagenesis
Doubled haploids, tissue culture, mutagenesis, economical screening and DNA markers — how modern technology speeds up breeding stable strains.
Mr.GramGram · 07 June 2026 · 8 min read
Cannabis breeding methods: F1, outcrossing, backcross and IBL
How strains are created and stabilised: outcrossing and heterosis, backcrossing with stabilisation percentages, IBL lines, selfing and reciprocal crosses.
Mr.GramGram · 06 June 2026 · 10 min read
Autoflowering and fast-flowering — why no dominant autoflower exists
Why autoflowering is a recessive “broken” trait, how incomplete dominance turns it into fast-flowering, and which fast phenotypes exist.
Mr.GramGram · 05 June 2026 · 8 min read
F1 hybrids, polyhybrids and inbreeding depression — the differences
What F1 and heterosis are, why an S1 is not the same strain, how a polyhybrid differs from an F1, and where inbreeding depression sets the limit.
Mr.GramGram · 04 June 2026 · 9 min read
Dominant and recessive cannabis traits — how to read a strain’s genetics
What dominant and recessive genes are, why purple color “beats” green, and how to predict offspring traits with a Punnett square.
Mr.GramGram · 03 June 2026 · 7 min read
The Cali strain phenomenon: terpenes, potency and legendary genetics
Why Californian strains upended the market: 3–5 % terpenes, real flavour, and the story from NYCD and Agent Orange to the pivotal Sunset Sherbet.
Mr.GramGram · 02 June 2026 · 8 min read
The eras of cannabis: from landraces to hybrids and autoflowers
Landraces, the hybridisation era and autoflowers — how cannabis genetics changed over millennia and why “wild” strains are not really that wild.
Mr.GramGram · 01 June 2026 · 8 min read
How to store seeds without killing germination
Three things kill seeds fastest: heat, moisture, light. All three are beatable.
Mr.GramGram · 10 April 2026 · 3 min read
THC is no longer the headline. Terpenes are.
Every decent genetic on the market today lands at 24–28%. The real difference is what it smells like.
Mr.GramGram · 02 March 2026 · 4 min read
Why we ship cuts in from California and hold them to F4
Selection is not magic. It is four seasons of repetition and the discipline to drop what does not repeat.
Mr.GramGram · 14 February 2026 · 5 min read