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Mushrooms, Mycology and Psychedelics > Mushroom Cultivation
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Psilocybe Zinnii official thread. * 7
    #29650468 -

I have not seen anyone else post this thread yet. Honestly, I can't find any info on this at all on here except one post introducing it.

I just received a spore swab and I'm going to be sending it to agar tonight. Not really worth taking any pics at the moment. It's spores on an agar plate 😂. The spores are from a F1 donor so this will be an F2 grow if I'm not mistaken in my generational sequence.

Here's some info on it.

  Psilocybe × zinnii nom. prov. is an interspecies hybrid of Psilocybe pseudoaztecorum from tropical India and Psilocybe natalensis from South Africa. Out of the many crosses we developed in the lab, this particular (F1) isolate displays significant hybrid vigor. The spores of Psilocybe × zinnii are viable and create fertile offspring, it can sustain its own population, and is genetically and phenotypically distinct from each of its parents, allowing it the distinction of species.

Strain Origin: Interspecific hybrid of Psilocybe natalensis × Psilocybe pseudoaztecorum

Description:

Pileus (Cap): 1-5 cm in diameter; obtusely conic to hemispheric, then convex, often with an umbo, margin becomes undulate with age; at first tan to yellow, not hygraphanous, darker with age and lighter at the edges.

Lamellae (Gills): Brown, then dark purple-brown; edges often white.

Stipe (Stem): 4-12 cm x 2-10 mm; white to yellowish; stipe initially enlarged at the pileus, which becomes a prominent median to superior bulge with age; no traces of a veil, staining blue-green, especially at the base.

Spore print: Dark purple-brown.

Microscopic Features
    Spores: (12.2) 12.7 - 14.3 (15.5) × (7.6) 8 - 9.2 (9.4) µm
    Basidia:
    Pleurocystidia:
    Cheilocystidia:

The DNA of this strain was extracted, put through a PCR and the ITS region amplified for testing. DNA confirmed the unique genetic profile.


--------------------
Pastywhyte’s Ez dialed monotubs
My Miraculix Potency Test Results
The Hitchhiker's Guide to the Shroomery
My Museum





Edited by Bigworm (08/18/26 05:36 PM)

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Re: Psilocybe Zinnii official thread. [Re: Bigworm]
    #29650495 -

:camping:

Given the lab origins, I presume that when they say "nats" they mean true nats? Has anybody done potency testing? I know the true nats came in weaker than average.

Very excited to see some pics of this. Great thread.

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Re: Psilocybe Zinnii official thread. [Re: Rasmodius]
    #29650510 -

I nabbed up a couple swabs too... normally I try and avoid impulse buying, but jumped on this a couple weeks back when I saw it. In a few weeks or so I'll throw it on agar and a tiny piece of swab on a BRF puck as backup. What are we thinking for substrate?

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Re: Psilocybe Zinnii official thread. [Re: Bungmurphy]
    #29650521 -

I am definitely in for another thread, VERY interesting!

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Re: Psilocybe Zinnii official thread. [Re: Bungmurphy]
    #29650617 -

:neat:


--------------------
Asante’s woodlover patch
Moricz cellar
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A woodlover genetic theory
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Tweeq's woodlover grow
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Re: Psilocybe Zinnii official thread. [Re: Rasmodius]
    #29650726 -

They do not say specifically, but in the description on their page, there is a link that takes me to true nats. I can only assume that based on the fact they have true nats and it is linked in the description that they used true nats to cross with the pseudoaztecorum.

As far as substrate, I'm going to run it with straight coir, and if that fails, I'll try coir+. I'll run a few tubs and use a casing layer probably of verm in one and no casing in another. You know throw some shit at the wall and see what sticks.

If I can get decent fruit and start to semi isolate the culture to something nice I'll share. I'll probably keep a few unstable spore prints or swabs to maybe get a few different phenos.

Edited by Bigworm (08/19/26 03:42 PM)

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Re: Psilocybe Zinnii official thread. [Re: MushLuvR77] * 2
    #29650871 -

I have a swab of it myself that I’ll be putting to agar, possibly this weekend. Looks like an exciting grow.

They are True Nats cross with aztec. https://sporeworks.com/news.php#news_19

That’s one reason they are pumped about it, crazy potency that exceeds either of their genetic roots. Also supposedly grows like wildfire.

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Re: Psilocybe Zinnii official thread. [Re: CoolBreeze06]
    #29650900 -

Ohhh I want in on the hype train. Best of luck everyone!!!!

Where did you get your spores/swaps from? Sporeswaps doesn't ship to my country D =

Edited by Nate em All (08/19/26 10:26 AM)

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Re: Psilocybe Zinnii official thread. [Re: Nate em All] * 2
    #29650922 -

This is the first time I've seen pseudoaztecorum put in sect zapotecorum. I thought it was cubensae


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what i've been growing

Edited by arlo.arlo (08/19/26 11:14 AM)

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Re: Psilocybe Zinnii official thread. [Re: CoolBreeze06]
    #29650927 -

CoolBreeze06 said:
I have a swab of it myself that I’ll be putting to agar, possibly this weekend. Looks like an exciting grow.

They are True Nats cross with aztec. https://sporeworks.com/news.php#news_19

That’s one reason they are pumped about it, crazy potency that exceeds either of their genetic roots. Also supposedly grows like wildfire.


I like the knuckle in the middle of the stipe, Interesting... FIR sure!

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Re: Psilocybe Zinnii official thread. [Re: arlo.arlo] * 2
    #29650942 -

arlo.arlo said:
This is the first time I've seen pseudoaztecorum put in sect zapotecorum. I thought it was cubensae


That is a mistake. It is indeed Section Cubensae, not Zapotecorum. Good catch, I've submitted a correction ticket.


--------------------
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Re: Psilocybe Zinnii official thread. [Re: Workman]
    #29651005 -

Are there trip reports? Has a nice look, I wonder what made them so compatible.


--------------------
I call them Huskies cause they Mush!


The Official Wild Cubensis Thread
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Edited by Huskies (08/19/26 01:29 PM)

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Re: Psilocybe Zinnii official thread. [Re: Workman]
    #29651097 -

Workman said:
arlo.arlo said:
This is the first time I've seen pseudoaztecorum put in sect zapotecorum. I thought it was cubensae


That is a mistake. It is indeed Section Cubensae, not Zapotecorum. Good catch, I've submitted a correction ticket.


Sorry if I caused confusion I changed it in my post. Dyslexia get the best of me sometimes and I misread things


--------------------
Pastywhyte’s Ez dialed monotubs
My Miraculix Potency Test Results
The Hitchhiker's Guide to the Shroomery
My Museum





Edited by Bigworm (08/19/26 06:26 PM)

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Re: Psilocybe Zinnii official thread. [Re: Rasmodius]
    #29651134 -

I’m still to this day confused about “true nats” vs ochras.

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Re: Psilocybe Zinnii official thread. [Re: Awfullotofshrooms]
    #29651220 -

Most people are!:rofl:

Most of what you see are ochres. Nats were hard to grow and not many people had true nats. The only way to really know would do a DNA sequence, imo.


--------------------
Pastywhyte’s Ez dialed monotubs
My Miraculix Potency Test Results
The Hitchhiker's Guide to the Shroomery
My Museum





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Re: Psilocybe Zinnii official thread. [Re: Bigworm] * 4
    #29651546 -

Here's my germ plate that's going to grain later today.


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Re: Psilocybe Zinnii official thread. [Re: BlimeyGrimey]
    #29651606 -

The race is on.

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Re: Psilocybe Zinnii official thread. [Re: BlimeyGrimey]
    #29651642 -

BlimeyGrimey said:
Here's my germ plate that's going to grain later today.




Way ahead of me! I can't wait to see how fast these are and I'll be following you closely.


--------------------
Pastywhyte’s Ez dialed monotubs
My Miraculix Potency Test Results
The Hitchhiker's Guide to the Shroomery
My Museum





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Re: Psilocybe Zinnii official thread. [Re: Huskies] * 5
    #29651645 -

This is exciting to follow!

I know y'all know this, but keep in mind the spore swabs are all F1 spore material, so there is almost certainly going to be a bit of variation and instability. I think we had to work over 20 something isolations to get the F1 strain that really stood head and shoulders above the rest.

That said, we'll be releasing the F1 isolate material shortly, and this will provide the strain most closely matching what's presented on the Ps. x zinnii page, keeping the hybrid vigor, desired traits, etc.

Huskies said:
Are there trip reports? Has a nice look, I wonder what made them so compatible.


Our lead investigator has been playing with a variety of intraspecific as well as a few interspecies hybrid projects for the last 2-3 years and it turns out this particular cross mates well, and we were surprised by the results.

Just a quick note that Ps. natalensis x Ps. psuedoaztecorum was first successfully produced as dikaryotic cross culture mycelium in 2023 by Julian Mattucci of Imperial Scientific. Our team just happened to be engaged in a fantastic parallel discovery and are now chatting with him to compare notes and move projects like this forward with more authority.


--------------------
psilocyber!
SporeWorks: Exotic Mushroom Culture and Spore Supply

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Re: Psilocybe Zinnii official thread. [Re: psilocyber]
    #29651698 -

:popcorn:

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Mushrooms, Mycology and Psychedelics > Mushroom Cultivation
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