Schwazzing
An aggressive defoliation technique that strips nearly all fan leaves at key points in flower to redirect ligh...
ScrOG Net
A horizontal screen of mesh used to train cannabis canopies flat for even light distribution and higher yields...
Seabird Guano vs Bat Guano
Comparing two classic organic amendments cannabis growers use for nitrogen and phosphorus, and where the marke...
Sealed Room Cannabis Cultivation
A fully enclosed grow environment where the grower controls every input — air, CO2, temperature, humidity — in...
Seattle Hempfest
The world's largest cannabis policy reform rally, held annually in Seattle since 1991 and known for its 'prote...
Section 280E of the Internal Revenue Code
The federal tax provision that bars cannabis businesses from deducting ordinary expenses, often producing crus...
Seedling Stretching: Causes and Fixes
Why young cannabis seedlings shoot up tall and floppy, and how to keep them short and stocky from day one.
Selecting Mother Plants
How to pick a single plant worth keeping alive for years and cloning into your entire garden.
Selecting for Terpenes
How breeders and pheno hunters pick plants based on smell and chemistry instead of yield or potency alone.
Selective Harvest Technique
Picking ripe colas first and leaving lower buds to mature longer, instead of chopping the whole plant at once.
Selfing (S1 Seeds)
How growers force a female cannabis plant to pollinate itself to produce all-female S1 seeds — and what actual...
Sensi Seeds
Long-running Dutch seed company founded by Ben Dronkers, known for preserving classic cannabis genetics and op...
Sesquiterpenes
The heavier, longer-lasting C15 terpene class that gives cannabis much of its earthy, woody, spicy backbone.
Setting Up a 5x5 Grow Tent
A practical guide to building out a 5'x5' indoor cannabis grow space, from frame assembly to first seedlings.
Sex Identification in Pre-Flower
How to spot male, female, and hermaphrodite cannabis plants before they bloom — and why it matters for your ha...
Sexxpot
A low-THC indica-dominant strain marketed by HSO as an aphrodisiac, with branding that outruns the evidence.
Shadow Dream
A boutique indica-leaning hybrid with murky lineage claims and very little hard data behind the marketing copy...
Shadow Sun
An obscure cannabis strain name with minimal verifiable breeder documentation and no peer-reviewed chemistry d...
Shadow Twist
A purportedly purple, late-flowering hybrid with limited verifiable pedigree and no peer-reviewed data specifi...
Sirius Black
An obscure dark-leaved indica-leaning strain with minimal documentation and a name that draws more attention t...
Skunk #1
The foundational hybrid that defined modern cannabis breeding and gave the world a new vocabulary for smell.
Small Buds During Mid Flower
Diagnosing and addressing undersized flowers in weeks 3-5 of bloom, when growers panic and often make things w...
Smell During Drying
How cannabis aroma changes during the dry, what's normal, what's a warning sign, and how to read your room by...
Smoking Cannabis and Lung Health
What decades of research actually say about how smoked cannabis affects your lungs, and where the science is s...