This 1,200 ml kit is designed for growing mushrooms and comes with a prepared growing medium, a lidded tray, a filter bag and two paperclips. The included instructions explain the process in a few straightforward steps.
Strain Characteristics
| Trait | Description |
| Growing difficulty | Advanced |
| Cap appearance | Ivory-white to pale cream, sometimes developing blue-grey tones |
| Cap development | Rounded when young, gradually broadening and often curling upwards at maturity |
| Stem appearance | Thick, sturdy and pale, sometimes uneven, lumpy or twisted |
| Gills | Initially white to pale cream, developing distinctive blue-grey colouring with maturity |
| Growth pattern | Medium to large fruiting bodies, sometimes forming dense clusters |
| Bruising | Blue discolouration on bruised tissue |
About the Strain
Jack Frost is a distinctive albino variety of Psilocybe cubensis, recognised for its ivory-white caps, thick pale stems and gills that develop blue-grey colouring as the mushrooms mature. The initially rounded caps can broaden and curl upwards, exposing the gills beneath. Some specimens develop uneven or slightly lumpy stems, while blue bruising creates a striking contrast against the pale surface.
The variety was developed in 2019 by breeder Dave Wombat, who crossed his Wombat True Albino Teacher (TAT) selection with Albino Penis Envy (APE). Originally named TAPE after the abbreviations of its parent lines, it later received its winter-inspired name because of its characteristic white-and-blue appearance.
The original development also led to further selections with variations in cap shape and stem structure. In 2026, a peer-reviewed study examining fourteen cultivated Psilocybe cubensis strains included a sample identified as Jack Frost, adding to the scientific documentation of this modern albino family.
Product Details
| Specification | Value |
| Commercial name | Jack Frost |
| Species | Psilocybe cubensis |
| Tray volume | 1,200 ml |
| Container | Plastic tray with lid |
| Grain | Fully colonised rye |
| Base layer | Perlite |
| Casing layer | Vermiculite |
| Included accessories | Filter bag and two paperclips |
| Instructions | Included |
Is a Heat Mat Really Necessary?
In most homes, it's possible to find a suitable spot with enough light and a reasonably stable temperature, so a heat mat is usually not necessary. If the surroundings are too cool, additional warmth may be helpful. A heat mat can be used on its own, while an optional thermostat offers more precise temperature control when needed.
References
- Reports Dave Wombat's account of the name TAPE and the stated parent lines. Treat these as attributed testimony, not authenticated retail genetics.
- Includes a separately labelled Jack Frost sample. This confirms a research designation, not the history of the current product.