Strain

P. ochraceocentrata

An aggressive, contamination-resistant African species that tolerates cool rooms. Much of what is sold as natalensis is this species.

Photos

Psilocybe ochraceocentrata, cultivated (identification as recorded on Mushroom Observer).Photo: Alan Rockefeller, CC BY-SA 3.0 (listed by Mushroom Observer as "Creative Commons Wikipedia Compatible v3.0"), via Mushroom Observer
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Aggressive and resistant to contamination.
Cold-tolerant: colonizes and fruits at 62 to 65 °F, just more slowly. Heat mats are not needed.
Air is the lever: stagnant, saturated air stalled one grower for 3 weeks, and pins came 3 days after uncovering.
Leaner spawn ratios (1:4 to 1:6); 1:2 to 1:3 gave deformities and overlay.
Several flushes are normal; scrub the surface lightly and soak 24 hours between them.

Summarized from public grow logs, paraphrased. Sources:

Member reports come first, then public grow-log threads, then catalog suggestions. Each line says which.

From public grow logs

Medians of what growers wrote down. Some count days from spawn, some from the start of fruiting, so treat these as rough guides.

No member reports on P. ochraceocentrata 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.

No substrate, grain or agar recipes tied to P. ochraceocentrata yet. See all grow recipes.

Tips, corrections and “same thing happened to me” for P. ochraceocentrata as a whole.