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BryanT

I think it's possible you have too much fine dust in your mix.
Did you sift the mix and washed the zeolite to remove fine dust/particles before you use?

BryanT

Gymnocalycium baldianum

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: Gymnocalycium baldianum 01 23021902.JPG (103.39 KiB) Viewed 2506 times

Gymnocalycium moserianum

: Gymnocalycium moserianum 23021901.JPG (115.38 KiB) Viewed 2506 times

: Gymnocalycium moserianum 23021902.JPG (94.59 KiB) Viewed 2506 times

BryanT

MikeInOz wrote: ↑Mon Feb 20, 2023 1:56 am Beautiful Onzukas Bryan! From seed?

Yes Mike. But mostly I got them as seedlings.

BryanT

Astrophytum myriostigma cv Onzuka Astrophytum myriostigma cv Onzuka 04 23021901.JPG Astrophytum myriostigma cv Onzuka 04 23021902.JPG Astrophytum myriostigma cv Onzuka quadricostatum Astrophytum myriostigma cv Onzuka quadricostatum 04 23021901.JPG Astrophytum myriostigma cv Onzuka quadricostatum 04...

BryanT

Thanks BryanT, I’m not sure it’s sunburn, I’m in the UK and it’s winter here so the temperature indoors is relatively low and the sun low on the horizon for most the day. Even in winter, it's possible for the UV radiation close to the glass window to caused sunburn, depends on what kind of glass yo...

BryanT

Trichodiadema hybrid (bulbosum x mirabile) Trichodiadema hybrid (bulbosum x mirabile) 23021901.JPG Trichodiadema hybrid (bulbosum x mirabile) 23021902.JPG Turbinicarpus pseudomacrochele ssp lausseri Turbinicarpus pseudomacrochele ssp lausseri 01 23021401.JPG Turbinicarpus pseudomacrochele ssp lauss...

BryanT

IMHO, I think it just a bit of sunburn on the edges, inside the window, temperatures can get quite high.
The new grow is quite normal for dragon fruit varieties, they grow in segments.
Which species of dragon-fruit did you have?

BryanT

Good morning, Frank!
Beautiful hybrid!

I might try that when they flower again.

BryanT

Ceropegia simoneae

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: Ceropegia simoneae 23021602.JPG (97.78 KiB) Viewed 2940 times

Orbea (Stapelia) variegata and seedpods

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: Orbea variegata 23021701 Seedpods.JPG (118.41 KiB) Viewed 2940 times

: Orbea variegata 23021302.JPG (113.39 KiB) Viewed 2940 times

BryanT

Monadenium ritchiei

BryanT

Turbinicarpus krainzianus var. minimus

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: Turbinicarpus krainzianus var minimus 01 23021302.JPG (106.93 KiB) Viewed 2995 times

Turbinicarpus pseudomacrochele

: Turbinicarpus pseudomacrochele 01 23021301.JPG (115.91 KiB) Viewed 2995 times

: Turbinicarpus pseudomacrochele 01 23021302.JPG (110.56 KiB) Viewed 2995 times

BryanT

I think this are the product certificates Bret was talking about. From CDFA (California Department of Food and Agriculture) : CDFA Fertilizer Product Database.jpg From WSDA (Washington State Department of Agriculture) : Washington State Department of Agriculture.jpg Not sure why the different in eac...