in a bind, can you do this ?

in a bind, can you do this ?#389720

By Supercazzola -  Mon Oct 04, 2021 2:06 pm
Location:  Merritt Island, FL
Posts:  1503
Joined:  Sun Nov 22, 2020 1:57 am

- Mon Oct 04, 2021 2:06 pm #389720

I see the recommended mix for heliamphora in Peter D'Amato's The Savage Garden includes lava rock. I can't find any locally, except the kind for landscaping (bigger size).

In a bind, is there any reason to not buy the larger size one, and then break it into smaller pieces?

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Re: in a bind, can you do this ?#389723

By thepitchergrower -  Mon Oct 04, 2021 3:47 pm
Location:  Zone 9
Posts:  2666
Joined:  Sun Sep 26, 2021 2:22 am

- Mon Oct 04, 2021 3:47 pm #389723

I would think you can, be cause Ive crushed lava rock with a hammer. However, it can be time consuming

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Re: in a bind, can you do this ?#389724

By Panman -  Mon Oct 04, 2021 4:05 pm
Location:  Atlanta, GA USA Zone 8a/8b
Posts:  6396
Joined:  Wed Mar 04, 2020 8:41 pm

- Mon Oct 04, 2021 4:05 pm #389724

I tried this. It doesn't work as well as you think it would. The rocks break down much smaller than you want and they have very sharp edges. I believe that pumice is the same as lava rock. You can find small quantities for planting here https://www.generalpumice.com/ although I have never ordered from them.

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Re: in a bind, can you do this ?#389734

By Apollyon -  Mon Oct 04, 2021 9:26 pm
Location:  Merritt Island, Florida
Posts:  1663
Joined:  Tue May 05, 2020 2:49 am

- Mon Oct 04, 2021 9:26 pm #389734

Also, I've been growing them in something akin to 50% LFS, perlite and orchid bark and they've done just fine too. Let me know if you find a place to get cheap pumice around here though!

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