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Discuss water requirements, "soil" (growing media) and suitable planting containers

Moderator: Matt

By manik
Posts:  2
Joined:  Thu Aug 08, 2019 8:47 pm
Peat moss holds a lot of water so I want to try sand only soil to avoid overwatering. What grain size would be ideal? I could buy 0,2 - 0,8 mm (average 0,5mm). Would roots grow fine and won't it compact? Pot size would be 15 cm. If I would use bigger grain size capillary action won't work well.

I grow cape sundew in mostly 0,5mm with a bit of 1mm sand and it seems to be fine.
By Fieldofscreams
Posts:  1315
Joined:  Wed Sep 06, 2017 11:14 am
Only downside I can think of would be it dries out super fast. I don't think putting it in a tray of water would work to keep it watered either, I don't think sand will absorb it up into the pot. That might leave you to top water only but in the heat of the summer that could become almost impossible I would imagine.
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By Artchic528
Posts:  612
Joined:  Sat Aug 15, 2015 8:13 pm
Sand dries out too quickly. You need something moisture retaining.

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