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spokane washington
shelbyscout
Jul 19, 2017 3:11 PM CST
I recently purchased a cactus and put him in a large pot, it is a four sided cactus with pokey things on each edge. Does any one know what kind of cactus it is? I need to find out what amount of sunlight he needs. Thanks.
Name: Philip Becker
Fresno California (Zone 8a)
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Philipwonel
Jul 19, 2017 4:31 PM CST
A picture, please !
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Name: Celia
West Valley City, Utah (Zone 7a)
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Zencat
Jul 20, 2017 6:09 AM CST
Most cacti need full sun but yes, a picture would be most helpful in IDing yours. Thumbs up
Name: Daisy I
Reno, Nv (Zone 6b)
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DaisyI
Jul 20, 2017 10:32 AM CST
It sounds like a Euphorbia but there are quite a few with 4 sides and spines on the corners. If you put it in a large pot and its not a large plant, you have probably over-potted.

Yes, photos...
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Name: Lin
Florida (Zone 9b)

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plantladylin
Jul 20, 2017 12:22 PM CST
I agree, photos are needed to tell exactly which cactus you may have. My first thought from the description was also Euphorbia, possibly Candelabra Plant (Euphorbia lactea) but many sound like your description.




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Name: Baja
Baja California (Zone 11b)
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Baja_Costero
Jul 20, 2017 12:25 PM CST
No, most cacti do not need full sun. When they are new (and probably straight out of a greenhouse), especially this time of year, they are quite likely to be shocked into arrest or worse by that kind of exposure. Try ramping up the light gradually over the course of several weeks (a few hours of sun is sufficient for just about all cacti, eventually), or if it's inside give the plant as much sun as possible (regular window glass cuts the UV so the danger is minimal).

There are several 4-sided Euphorbias with little spines, including E. resinifera. A picture will solve the identity mystery.
spokane washington
shelbyscout
Jul 25, 2017 7:13 AM CST

Thumb of 2017-07-25/shelbyscout/066c79

This is him! I need the low down on care Smiling
Name: Baja
Baja California (Zone 11b)
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Baja_Costero
Jul 25, 2017 9:54 AM CST
Yes, that is a Euphorbia. Provide as much light as possible. They do not make great house plants without a lot of sun. Water well when the soil is dry and then wait for it to dry out before watering again.
Name: tarev
San Joaquin County, CA (Zone 9b)
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tarev
Jul 25, 2017 12:52 PM CST
Shelbyscout, that is a lovely Euphorbia. I grow my Euphorbias outdoors during the warm to hot months. It can take the heat very well as long as it gets watered well and planted in gritty, well draining media. I only bring them indoors here during our winter season and hide them by my south facing window.

You may want to add more pumice or perlite to your media. You are growing it too in a glazed container, so water retention is a bit higher, so be careful with watering. Use a bamboo skewer, stick it into the soil, if it comes out damp, delay watering. If you cannot bring it outdoors to grow, try to position it by your sunniest window.
Name: Will Creed
NYC
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WillC
Jul 25, 2017 2:03 PM CST
It looks like you intend to keep your Euphorbia indoors. The new pot is lovely, but larger than necessary for this plant. I'm also concerned it may not have a drain hole and the soil may be heavier than ideal.

If you keep it inside, you will have to place right in front of a very sunny window, preferably south-facing. The soil will have to dry very deep into the pot - at least halfway down - before you add water. You may need a soil probe to make that determination. Inadequate light and not allowing the soil to dry out sufficiently are the two things that will do in this plant.
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