Vol. XII — Issue 04
Friday · May 29 · 2026

Field Notes & Almanac

Lat 39.74° / Lon −104.99°
— : — : —
Issue dropping · Spring run

A journal for the deeply curious cultivator.

Strain dossiers, climate logs, hard-won technique. We write the way good growers actually think — slow, specific, occasionally wrong, always honest. No SEO mulch, no influencer haze, no sponsored "best of" lists.

Browse the Almanac
Photographed in Humboldt · 2026 / Ektar 100
Grow Room · Bay 03 / Veg
Live feed

Tonight's profile

Sour Diesel — Cut 47
Sativa-dom · F2
Phenotype hunt, week 6 of 9.
26.4%
THC est.
1.8%
Terps
61d
Flower
A−
Grade
Canopy °F
78.2°F
RH
54%
VPD
1.21kPa
Dossier№ 41
Why terpinolene fades faster than you think.

A six-month cure study across four phenos of Jack Herer, measured weekly with gas chromatography. The numbers are worse than the lore suggests.

14 min read
Technique№ 42
The defoliation debate, settled (mostly).

Three identical tents. One stripped at day 21, one at day 42, one untouched. Yield, weight, density, the works. Numbers, not vibes.

22 min read
Genetics№ 43
Hunting landrace in the Hindu Kush — a field log.

Two weeks in the high valleys with a seed hunter, a notebook, and altitude sickness. What's left of the old genetics, and what isn't.

31 min read
The Field Log · Updated daily

What we logged this week.

MON · 24
Powdery mildew, week three: the milk spray isn't working.
IPM
TUE · 25
A short note on vapor pressure deficit during the dark cycle.
Environment
WED · 26
Tasting the Chemdog '91 pheno after a 90-day cure.
Tasting
THU · 27
Why I'm flushing again, after years of saying I wouldn't.
Op-Ed
FRI · 28
Notes from a compost-tea brew gone slightly sideways.
Soil
Reader instruments · live

The room, right now.

PPFD
812μmol
CO₂
1140ppm
EC (run-off)
1.84mS/cm
pH
6.21
"
The best growers I know aren't chasing a strain — they're learning a plant. One cut, one room, ten years. Everything else is just noise.
— L. Marbry · Senior cultivator · Sausalito Glasshouse Co.
LM
Linn Marbry
Senior cultivator
Twenty-two seasons. Writes our flower-room dispatches. Allergic to hype.
TO
Toma Osei
Plant pathologist
PhD on cannabis fungal pressure. Our resident IPM nerd and gentle skeptic.
RV
Rae Velasco
Editor at large
Came up in California, lives in Lisbon. Translates technique into prose.
JK
Jin Kasper
Geneticist
Runs our pheno-hunt program. Keeps the seed vault. Refuses to name a favorite.
The Friday Dispatch

One letter,
every Friday,
before sunrise.

A short, careful note from the bench — what we read, what we ran, what's growing. Roughly 1,400 readers. No tracking pixels, no upsells, unsubscribe with one click.