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Just took a bunch of pics of mi pedro's progress :)

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Help! I was wondering if I should repot my cacti. It is growing healthily but the columns are not fat like I see in many pedro pictures. Is this because it needs more space to grow? I thought it would be able to grow fine in the pot that it's in but I am not sure. If my cactus continues to grow how it is then I will have very long, skinny branches on it. Maybe it needs a lot more water? Can someone shed some light on the subject for me?
 
They are outside on a patio where they have shade and are able to get light and reflected light, but I put them out in the sun as much as possible. Usually they'll get about 4-5 hours of direct sunlight a day and then I'll bring them back on the porch at night in case it rains. I put them out on partially cloudy days as well. At the most they'll probably be able to get about 8 hours of direct sun, if that's even needed. I have never grown a cactus before these cuttings that I got.
 
I guess for some people it burns them..but here in BC anyway I have my torch out in full sun 8+ hours a day(aside from cloudy days) and grows well and never burns. Other non trichs and trich seedlings have burnt in the sun for me though.

I have no idea why some peoples trichs burn so much in the sun while mine doesnt.
 
It probably depends on the climate of the region, is my guess. Although I meant that they'll probably only be able to get that much light because of the sun's positioning. I don't have a huge amount of space where I can keep them in direct light for extended periods of time.
 
Nathaniel, that are some beautiful cacti. You have a 4 wind cactus.. how old are the new branches?


"I have no idea why some peoples trichs burn so much in the sun while mine doesnt."

Jamie, this year where I live the weather is a little bit anomalous, so the spring time was too cold. Cool days in between of one or two hot days was enough to burn my trichs at the base where the sand gets burning hot in the best summer days. I have them on the garden floor, no pots. Just the 20cm long ones suffered, the bigger ones are OK still. I have given them more water now and the burned ones are doing OK.. nothing to worry. What doesn't kill them, gets them stronger (and mescaline rich :want:
 
kiang said:
Nathaniel, that are some beautiful cacti. You have a 4 wind cactus.. how old are the new branches?


"I have no idea why some peoples trichs burn so much in the sun while mine doesnt."

Jamie, this year where I live the weather is a little bit anomalous, so the spring time was too cold. Cool days in between of one or two hot days was enough to burn my trichs at the base where the sand gets burning hot in the best summer days. I have them on the garden floor, no pots. Just the 20cm long ones suffered, the bigger ones are OK still. I have given them more water now and the burned ones are doing OK.. nothing to worry. What doesn't kill them, gets them stronger (and mescaline rich :want:
Thank you :) Those new branches sprouted last summer and now they continue to grow.

I am still confused as to why they aren't very fat, though. I think I need to put them in bigger pots and give them more water when I feed them. Although I thought they'd grow just fine in their current pots, but I am no horticulturalist (I'd like to be, though!).
 
Nathaniel said:
I am still confused as to why they aren't very fat, though. I think I need to put them in bigger pots and give them more water when I feed them.

As others have suggested, elongated stems are asking for more light. Plants put their efforts in growing towards the light source if the amount of light they receive is not enough, and cacti are no exception.

When plants show signs of burning after being placed under full sun, that does not necessarily mean the plant does not tolerate full sun. Pedros can tolerate full sunlight perfectly. But all plants become acclimated to the environment they are growing in, and if you change that environment radically from one day to the other, the plant can show symptoms of stress and the plant tissues can be damaged, either due to a big change in temperature, humidity or light intensity.

So let them acclimate slowly. Don't put them right away under full noon sun for a long time if they have been in the shade (or indoors under soft lights), just give them the sun of early morning or late afternoon, and progressively adapt them to the outdoors.
 
Well I thought they were getting enough light... They are a healthy green and the branches sprouted and grew very quickly. They are always outside where they can get light all day (except direct sunlight which they can only get maybe 8 hours at most if I move my plants around) and I know that pedros and other trichs prefer partial or diffused light.

I'll just have to make a concerted effort to bathe them in sunlight to see what happens. I also was wondering if they might be skinny because maybe their root system isn't huge? I appreciate everyone's feedback. I am still a n00b to cactus cultivation.
 
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