There are lots of fairly similar Aloe hybrids, maybe Moonglow is close to the first one?

I wouldn't be in a hurry to put names on labels for these. There are a few similar looking species, and spines can vary too (for example P. mammulosa).
You have a good chance of getting flowers on both of these this summer, flower properties, including colour will be a big help in picking a name.

Euphorbia lactea cristata

1 looks like Marshallocereus thurberi I agree. Or Stenocereus thurberi , etc :-k [/quote] I'm leaning towards Stenocereus queretaroensis on the second. I think that's a good call. I understand it is grown in Mexico as a fruit species, so probably widely available. Bear in mind that for the north Eu...

Hello, I live in a wet city (90%+ humidity), currently I am in Summer. Nowadays I water my 3 months seedlings every 15 days. How often do you recommend me water them in each season? (Autumn, Winter, Spring and Summer) When they are dry! Seriously, no-one-else knows how long it takes for plants to d...

The first shows Matucana madisoniorum.
Next looks like some Mamm cultivar, I don't think the 3rd is a Mamm.

Adromischus cristatus would get my vote

Yes, cuttings should work well with this plant. Cut them off cleanly and leave the ends to callous over for at least a week. I find Euphorbias are often very slow to start to root, but when they are ready (maybe 2 months after cutting isn't unusual), they are often quite quick to establish. Bottom h...

I hear they aren't great for cacti, possibly because the spines don't lend them to easy ai analysis. I guess simple, well defined leaf shapes work well, many cacti with their indistinct outlines, less so.

7george wrote: ↑Mon Feb 01, 2021 2:44 pm Looks like M. zeilmanniiana with yellow spines .

That was exactly what I thought, and couldn't then identify the species.

anttisepp wrote: ↑Mon Feb 01, 2021 4:11 pm You're right George, looks like zeilmanniana with painted yellow spines.

Yes, Antti, maybe that's it. A painted Mamm. z.

It's hard to tell with non - flowering Lophophoras.
It's very hard to tell with grafted ones which are quite bloated and don't look typical, like yours.

Maybe it's Lophophora williamsii var. caespitosa, because it's branching very strongly.
Or maybe that's just because it's grafted.

nona wrote: ↑Sun Jan 31, 2021 7:16 am

anttisepp wrote: ↑Sun Jan 31, 2021 6:17 am Lobivia arachnacantha

I notice from pictures they are heavy clumpers. I'll try removing offsets as they appear in the hope it grows.

Why remove offsets? Offsetting is largely HOW this species grows. It's part of the character of the plant.

metsolt wrote: ↑Sat Jan 30, 2021 8:34 pm
So what is general advice on this? 10 days? I even heard 3 weeks?

Water when more-or-less dry. Don't waterlog them.
No idea on the timings for your plants, your potting mix, your pots, your temps and humidity.

So my question is what is the best way to do with soft cacti? Less light and more heat? Do I plant them or leave them bare root until they are firmer? What are your thoughts growers? I don't understand what you are asking. Are you asking about cacti which are a bit shrivelled after a long journey? ...

Small photos, no choice of angles and the red lighting make these tough to work with. We can't get a good idea of the plant body and spine colour. I think anttisepp is pretty close with these: 1 Stephanocereus leucostele? Pilosocereus sp? 2 Notocactus sp. (aff. mueller-melchersii?) 3 Eriocactus leni...