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Re: Growing carnivorous plants in pure silica sand

Posted: Mon Mar 21, 2022 6:55 pm
by MarcinS
Sundews

Drosera oblanceolata
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Drosera schizandra (it grows in sand and sphagnum)
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Drosera glabripes
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Drosera capensis
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Drosera serpens, prolifera and madagascariensis
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Drosera nidiformis
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Drosera affinis
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Drosera curvipes
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Drosera regia without any sand, just in water
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Drosera scorpioides
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Drosera hamiltonii
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Butterworts:
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ping 4a.jpg
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ping 5a.jpg
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ping 6a.jpg
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ping 7a.jpg
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ping 8a.jpg
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ping 9a.jpg
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ping 10a.jpg
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tlusztosz 1.jpg
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Other CP

Cephalotus
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Genlisea
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Heliamphora x midoxa
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heliamfora 2.jpg
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Roridula gorgonias
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Re: Growing carnivorous plants in pure silica sand

Posted: Fri Jun 02, 2023 8:17 pm
by MarcinS
Update
It was difficult to grow sundews in fully inorganic medium because there were different kinds of nutrient deficiencies developing. I potted most of my sundews in peat. Mexican butterworts and flytraps still grow in water but a have replaced sand with basalt gravel. It is black so it looks better and it is much more algae resistant than sand.

To avoid nutrient deficiencies I water my plants with diluted Hoagland solution containing all essential elements except for nitrogen and phosphorus. Lack of nitrogen and phosphorus in water helps to restrict algae growth. To supplement these elements to plants I use foliar fertilization with diammonium phosphate (with concentration calculated as 100 mg of P per liter).

Flytraps did not have cold dormancy during 2022/2023 winter, they just had shorter daylength.

I may add more photos or information if You are interested in the experiment.

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Re: Growing carnivorous plants in pure silica sand

Posted: Fri Jun 02, 2023 8:19 pm
by MarcinS
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Re: Growing carnivorous plants in pure silica sand

Posted: Sat Jun 03, 2023 2:38 pm
by Intheswamp
Would love to see the images but I don't have the time to wait at let all the large images load. The number and size of the images are too much for my slow connection.

Re: Growing carnivorous plants in pure silica sand

Posted: Sat Jun 03, 2023 9:53 pm
by Huntsmanshorn
Intheswamp wrote: Sat Jun 03, 2023 2:38 pm Would love to see the images but I don't have the time to wait at let all the large images load. The number and size of the images are too much for my slow connection.
Well, I can help you with that. They all look fantastic.

Re: Growing carnivorous plants in pure silica sand

Posted: Sat Jun 03, 2023 9:55 pm
by Huntsmanshorn
Edit, disregard please.

Re: Growing carnivorous plants in pure silica sand

Posted: Sat Jun 03, 2023 11:32 pm
by Intheswamp
Huntsmanshorn wrote: Sat Jun 03, 2023 9:53 pm
Intheswamp wrote: Sat Jun 03, 2023 2:38 pm Would love to see the images but I don't have the time to wait at let all the large images load. The number and size of the images are too much for my slow connection.
Well, I can help you with that. They all look fantastic.
Glad to hear it.

Re: Growing carnivorous plants in pure silica sand

Posted: Sun Jun 04, 2023 1:06 pm
by DragonsEye
Intheswamp wrote: Sat Jun 03, 2023 11:32 pm
Huntsmanshorn wrote: Sat Jun 03, 2023 9:53 pm Well, I can help you with that. They all look fantastic.
Glad to hear it.
😂

Re: Growing carnivorous plants in pure silica sand

Posted: Thu Jun 29, 2023 8:29 pm
by andynorth
Is it possible to do this using silica sand?