How much water or how often should Melocactus be watered?

Hello all, I am from Thailand. Need phytosanitary certificate when buying plants and importing plants from aborad. Could you advise which sellers can provide such certificate. I have been buying echinopsis on ebay and from time to time the shipments were stop. thanks in advance.

Thank you K.W.!

Healthy looking plants.

Thank you for these wonderful pictures. I particularly like the Hybride Echinopsis. The colors are indescribable, just fantastic.

The flower is so big. Magnificent.

What is 48752 please?

Some Opuntia and echinopsis spines are pretty nasty.

Just beautiful. Thank you.

Hello Harald, Thank you for sharing, they are beautiful. It is interesting that you can plant them in ground. I live in Thailand where there is so much rain, and very few cacti can be planted outdoor, like some Echinopsis, Opuntia. I found a picture of ECHINOCEREUS TRIGLOCHIDIATUS at cactus art biz ...