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I love growing them from seeds, looking how those small green balls turn into little spiny plants. Every new growth or flowers makes me happy..

Do you use the zip-lock bag method? I have and it works amazingly well!

Well not exactly zip-lock bag, but I close the pot with plastic foil (only the first month).
(My English is on low level, I'm sorry. I hope you understood what I meant)

Yes, I do understand what you mean, and that's very close to the way the zip-lock bag method is done.

Keeping moisture in, and not disturbing the seed in that long germination period. :)