all austrocacti lean to the South

In Patagonia not!
Some lean to east, some to north and some to west.

Nobby

In Germany we say "many roads lead to Rome". I usually start without treatment and use sulphuric acid or other aids if it was not successful before. In general I have more than ten seeds. Here on the picture are the first potted seedlings from last year's sowing. Half of them are still in ...

No soap!

But be carfull - more than 55°C will kill the Embryo!

Nobby

Sulphuric acid helps with germination (if you don't want to try it several times - we get older and have less time). Against fungus, for example, cleaning the seeds in warm water at 52° for about 10 minutes helps. But usually fungus is no problem when sowing washed Austrocacti seeds. Sometimes it is...

Hello Darren, use fertilizer, lots of fertilizer and then cut off the upper part of the Pterocactus to root it. Leave a stump of about 1 cm - it will produce new offsets. But remove all offsets of the stock as soon as possible. Let Phil's idea come true - throw the whole plant away. Much success Nobby

Hi to all of you, as we can see here, we all have the same problems. It is not a British but also a European and even worldwide problem. In Germany all meetings, conventions and plant sales have been cancelled for the next weeks. We had quite a few invitations to give talks all over Germany and the ...

The winner is el48tel!

Nobby

The perfect time to take and show pictures of fruit and seeds...

Nobby

A = Austrocactus sp. "Cuesta Arbolito", Chubut, Argentina

You should prune your P. tuberosus in autumn.
Now it is too late to get new segments that can flower.