Hello Peter,
I was wondering if you could help me take care of my plants and maybe give me some advice! So as you can see I love plants, especially cacti and perennial plants. In every picture you can see that the soil is wet because I just watered them all today. Can you tell me how often each one needs to be watered?

I would also like to know whether they should be outdoors or not? I have a garden where I could put them but I would rather have them with me in my room. I recently put 6 and 7 outside but I am worried about that ‘burnt look’ they have going on now… Maybe the transition was a little too abrupt since they used to be inside. I never changed the soils, could you tell me if I should and how to?

Can you also tell me if they look healthy or if one of them needs special care? For the ones that stay in my room, I try to let as much sunshine in as I can, but I think maybe they would like to be outside. Also some parts of 7 died and I don’t know what to do with the remaining parts, does it mean that the whole cactus is going to die too?

I don’t know that much about cacti but I love them and would hate for them to die, so please help me! I’ve had the euphorbia 5 for a few years, I keep it inside the house and it looks really happy to me, it has grown a lot! Most of the others are new and I can’t tell if they have grown or not.

I live in Paris and it is rather hot and sunny during the summer and spring, but it can get really cold in the winter.

Also, if you know their names I would love to learn! THANK YOU so much, I LOVE your blog, I really hope you get a chance to reply and maybe help me.

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Albertine

Albertine,

When you bring plants outside they need to be “hardened off” to the sun, which means bringing them slowly out into sunshine over the course of a week or longer, or they will get a sunburn.

All plants can be grown outside, it just depends on your local climate. Here in Berkeley or San Francisco we can grow those outside, but I am not sure in Paris. There is a cactus shop there that might know better for your particular locale.

The plants that I know are:

1. Euphorbia ferox

2. Don’t know

3. Opuntia microdasys

4. Ferocactus, too young to know the species

5. Euphorbia – could be trigona

6 and 7. Mammillaria

Generally you can water them every 2 to 3 weeks, but they look like they’re not getting a lot of sun, so maybe every 3 weeks is best.

Peter