This September I visited several German nurseries and among them - Michael's greenhouses in Pittenhart. I was reall surprised by his seedlings of L. ferox and Gymnocalyciums with strong and heavy spines...
some pictures you can find here:
http://asterias.od.ua/index.php/gal.html?func=viewcategory&catid=75
Regards,
Nata Ellis
Nice photos and plants Nata!