Mammillaria Elongate

Lovely 😍 I've one too, do you have some suggestions to grow it bigger like this @jords.c

Thank you, 8 inch deep unsealed terracotta pot, 50/50 potting mix/course sand, 1st inch in pot is sand and pumice/scoria, then mix, finished off with pumice/scoria to keep a little moisture in, and place in full sun, water 2 times a week, I’ve since cut it in half and it’s grown to the edges of the pot again in 6 months. @jyotu

Thank you very much for information