I have both these plants as Notocactus warasii although there are small differences in the number of ribs and spination. They have both just come into flower and there are some differences. Colouration is the same but the petals of one are quite rounded while the other has shaggy petals. Does anyone...

I go with Liz , checking plants to be clean is a must, but when I see one or two nestled in the top spines of a plant out comes the meths and fine artist brush, paint it on watch them turn black and then to mush, it's a bit like big game hunting but on a small scale, :lol: Ray Whenever I see one I ...

Looks a nice specimen. Possibly one of the spinosissima group but they are usually free flowering.

I agree with Aiko, stainesii is the most likely for the Ferocactus. Not sure about the other one though.

georged wrote:For one night only

...but with flowers like that, it's worth missing a bit of sleep!

Welcome to the forum James. With 25 cacti & succulents and seedlings coming along, you'll soon run out of windows!

I assume tomato fertiliser wouldn't work Actually tomato fertiliser will work quite well, Ava, as it has a relatively high level of potassium & low nitrogen which is what you need for cacti & succulents (especially cacti). What might be missing is trace elements. One of the most reliable of...

Hi Rodsmith, That's a bit frightening. Where did you get the seed from? I cannot imagine anyone in this country raising a Carnegia. The seed was from Frost's Garden Centre at Woburn Sands and from memory I think it was a "Mr Fothergills" seed packet. Reading some descriptions of Carnegia ...

Lovely flower and superb photos as usual, Christer.

Beautiful colour flower and wonderful photo.