It can't be too big if you cultivate it on your windowsill. What size pot is it in and is the last photo the whole plant? ![Big Grin :D :D](data:image/gif;base64,R0lGODlhAQABAIAAAAAAAP///yH5BAEAAAAALAAAAAABAAEAAAIBRAA7)
I have a multigrowth wallisii in a 4" aircone pot. Basic bark/perlite/charcoal mix with a good live moss overgrowth. I have multigrowth pearcei in 12" pots with either semi hydro or bark based media (both also overgrown with live moss). Phrags will accept a very wide range of media, but the difference is more based on the amount of water they like compared to other slippers. Pearcei like to have their "feet wet" all the time, while the long petaled species like a wet mix, but never in standing water, so many growers like SH growing for the water loving species, and more traditional mixes for the long petals.
A wallisii in spike can get almost as tall as the petal length. Often you see the pots raised up so the petals are below the bottom of the pot. So you should give a wallisii about 50 cm of verticle space, but pearcei may only need half that much verticle space.
How much longer will they grow???
:clap:Mine just cleared 55 cm, but last year they didn't clear 50 cm. I think the AOS award record may be about 60cm for this species.
GO PETALS GO GO GO!!!!!!!