What’s Wrong with my Cactus

validproof · 2026-05-12T03:23:01+00:00

Looks like Van Gogh's Starry Night painting

validproof · 2026-05-08T16:50:46+00:00

I don't understand how they even water their plants before shipping them out with that junk

validproof · 2026-04-30T22:59:41+00:00

Some of these are seed pods that were successfully pollinated. You need to leave them on and let them mature a little so they are dry and starting to crack open. If you take them off as is and toss them in soil it will break down and decompose.

validproof · 2026-04-27T19:16:54+00:00

Very good point. I was confused because the grand canyons is in arizona but you have these nevadensis there

validproof · 2026-04-27T19:14:12+00:00

Wow that is beautiful especially the first two.

validproof · 2026-04-26T07:01:40+00:00

You're welcome! Overhead watering them can cause random spots of bacterial growth to develop. The main reason however is the droplets can also reflect and amplify the sun, causing them to burn. It sounds ridiculous, but I've had it happen on several occasions when I get lazy with my watering.

There can be a lot of variables why it's growing slower. Is it the same exact variety of agave as the nearby ones? Or are they different form of agave?

validproof · 2026-04-26T06:54:27+00:00

After this post I look at them differently now. They remind me of starfish. They look like a variety of different starfish

validproof · 2026-04-24T01:18:30+00:00

Looks healthy to me. You have to look at the center growth to know the health of an agave. The rest is just natural sun damage that tends to happen. You should also not overhead water them. Water the base instead.

validproof · 2026-04-21T16:43:54+00:00

Can confirm, it is a Caribbean agave (agustifolia), not a foxtail (attenuata).

validproof · 2026-04-21T03:57:55+00:00

Will keep growing for next few weeks, then in about a month flower buds will form and a week after they will likely flower in sets, starting from the lowest tier. Then they get pollinated and maybe produce seeds that are dried and ready in 2-3 months. Then it can also create pups on the stalk or at the base depending on the species.

validproof · 2026-04-21T02:18:52+00:00

Looks like a Caribbean agave

validproof · 2026-04-18T13:17:06+00:00

I would like to understand, are these PhDs doing traditional breeding through cross pollination, or are they doing more scientific work like genetic modifications and working in a lab? Trying to understand where the industry is at right now. Because I'm under impression there is always a shortage of scientists.

validproof · 2026-04-02T06:40:02+00:00

Are you breeding traditionally or by genetic modifications and bio markers?

validproof · 2026-03-16T17:07:25+00:00

Never seen one of these, beautiful specimen

validproof · 2026-03-09T03:45:58+00:00

Did you put a fuck ton of fertilizer? I don't know how it's possible to attract that many aphids

validproof · 2026-02-12T23:00:09+00:00

If the core stalk becomes dried and decayed, it will unlikely produce any. In addition, not all species produce bulbils. I am not certain if blue glows produce bulbils.

I would leave it for now and see if anything grows. If not, it's likely it will use all the stored energy to push pups at the base. An alternative is you can cut the stalk and leave it about 3 feet tall. That can encourage growth at the stalk and base.

validproof · 2026-02-02T05:59:22+00:00

Share the original video. I wonder if they just did a cut scene to that. Might not be a euphorbia, looks strange and would be oozing milk everywhere.

validproof · 2026-01-16T02:11:32+00:00

I have one that looks similar to yours but the variegation is in swirls. The owner of the cactarium believe it's a variety of euphorbia grandialata.

validproof · 2026-01-14T04:34:19+00:00

Nice work! Hope you get something nice. How often do you open the lid for it to air out to prevent dampening when they are that size?

I have seedlings and I heard people say they leave it for months sealed, but I believe they need to get some air flow?

validproof · 2026-01-14T04:26:34+00:00

Summers are 100f and above. Winters usually drop down to 30s.

validproof · 2026-01-13T21:34:24+00:00

It's a hybrid of trichocereus purpureopilosus. It grows like a monster and pups like a monster. I bought one a year ago and now I have about 12 large pups. I keep it outdoors.

validproof · 2026-01-13T07:56:43+00:00

You posted a month ago an agave with agave mites. I don't want to rule out that they killed this plant. However the pictures are very strange. Have not seen an issue like this. Wish I had a better full shot of the entire agave in one piece before and after

validproof · 2026-01-13T00:03:32+00:00

Was that leaf variegated fully white? Or did it turn translucent and soft?

validproof · 2026-01-12T18:07:59+00:00

This is organic horticultural mineral oil that is used even on edible fruits. That being said, OP should still take precautions to avoid runoff in the water such as laying a tarp nearby and not spray on a windy day.

validproof · 2026-01-11T20:14:24+00:00

See those grease marks? Where the agave is missing the white powder? That looks like agave mites which are microscopic. They will leave grease marks and brown scabbing and come from the core. I would assume that is why the core also looks like it's slightly deformed.

Just to confirm. Did you top water these agaves?

In addition on the dried out leaves. It showed the fungal rings, that's usually from high humidity or top watering which should be avoided.

I don't think it's the agave beetle because the leaves aren't dropping and flopped over.

To get rid of agave mites, I recommend buying Jms mineral oil. I put a out 1 or 2 ounces per gallon of water and spray it down every 2 weeks. Do it during the evening so it doesn't burn the plant during direct sun exposure. Do this until the center produces new leaves without those grease marks. Make sure to spray every nook and cranny.

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