Strain
Jack Frost
- Species
- Psilocybe cubensis
- Lineage
- Tidal Wave × albino Penis Envy
- Also called
- JF, Jack Frost albino, TW x APE
An albino cross that runs slower than its Tidal Wave parent. Because it is albino it does not print usable spores, so growers keep it going as liquid culture or clones.
Photos
Psilocybe cubensis, cultivated, young fruits before the veil breaks. Species photo, not Jack Frost.Photo: LordToran, Public domain, via Wikimedia Commons Add a note
Psilocybe cubensis, a dried fruit (the photographer's label: Jack Frost, not independently verified).Photo: The Poet of the Soma, CC BY-SA 3.0 (listed by Mushroom Observer as "Creative Commons Wikipedia Compatible v3.0"), via Mushroom Observer Add a note
Albino Psilocybe cubensis, cultivated in a tub (the poster's label: Albino Penis Envy, a parent in Jack Frost's lineage claim). Species photo, not Jack Frost.Photo: The Poet of the Soma, CC BY-SA 3.0 (listed by Mushroom Observer as "Creative Commons Wikipedia Compatible v3.0"), via Mushroom Observer Add a note
Summary
Suggest an editWhat growers agree on
- Slower than Tidal Wave: grain takes 2 to 4 weeks, and first pins come about 3 weeks after spawning to bulk, sometimes over a month.
- Likes 70 to 75 °F. Heat spikes near 87 °F came with aborts and bacterial problems; holding a steady 70 °F restarted a stalled bag.
- Roughly 8 to 9 days from pin to harvest.
- Bags often throw side pins; a band around the bag at substrate level helps.
- No usable spores, so keep it as liquid culture or clones.
- Overlay and a dry surface are the most common stall complaints. A peat, vermiculite and lime casing is the usual fix.
Where they disagree
- Harvest cue
- Some pick at veil break, others wait for caps to turn up. Most land somewhere in between.
- FAE and misting in bags
- Extra holes dried one bag out, while 15 minutes of air every hour gave another grower 830 g wet.
- Speed
- Timelines vary a lot with culture quality.
Summarized from public grow logs, paraphrased. Sources:
Growing Jack Frost
Member reports come first, then public grow-log threads, then catalog suggestions. Each line says which.
At a glance
- Difficulty
- No data yet. Add your grow report
- Grows on
- Dung (manure-loving, like cubensis)
- Lineage and origin
- Tidal Wave × albino Penis Envy
- Traits
- No data yet. Add your grow report
- Similar strains
- No data yet. Add your grow report
Timeline
- No data yet. Add your grow report
- Days to
- No data yet. Add your grow report
- To harvest
- No data yet. Add your grow report
- Flushes
- No data yet. Add your grow report
Climate
- Colonizing
- No data yet. Add your grow report
- No data yet. Add your grow report
- Fresh air ()
- No data yet. Add your grow report
- Light
- No data yet. Add your grow report
Substrate and casing
- Substrate
- No data yet. Add your grow report
- No data yet. Add your grow report
What it looks like
- Phenotype
- No data yet. Add your grow report
- When to pick ()
- No data yet. Add your grow report
Common problems
- Reported
- No data yet. Add your grow report
From public grow logs
How a Jack Frost grow tends to run
Medians of what growers wrote down. Some count days from spawn, some from the start of fruiting, so treat these as rough guides.
Spawn
Day 0
Grain goes into bulk
Colonized
21 d
range 10–70 d, 3 reports
First pins
14 d
range 8–28 d, 5 reports
First flush
830 g wet
1 report
Grow reports (0)
Add your grow to the guideNo member reports on Jack Frost yet. Yours would be the first, and the numbers above start from it.
Three fields is enough: setup, days to pins, and how it went.
Recipes growers used
Add the recipe you usedNo substrate, grain or agar recipes tied to Jack Frost yet. See all grow recipes.
Notes from growers
Tips, corrections and “same thing happened to me” for Jack Frost as a whole.