| Subject | Date Asked | Expert |
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| Brain Cactus is sick - please help! | 11/20/2008 | Joan A. |
Q: I have a 5 year old brain cactus cutting from a very large brain cactus from Florida. It was doing ...
A: I'm delighted to hear from you. I'm also delighted that you removed the bad stuff. The only thing ...
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| Pale green spots | 11/20/2008 | Joan A. |
Q: It's me again. The growth on my moon cactus is pale green (which you say is normal so thats okay), ...
A: So it probably was the light that caused it. I don't think the spots will recover completely. What I ...
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| Christmas castus | 11/19/2008 | Joan A. |
Q: I have 5 year old Christmas Cati I love. Yesterday I water the plant and was shocked to see the ...
A: It appears to be that your cactus has edema, an environmental condition that is caused do to ...
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| Pale green spots | 11/19/2008 | Joan A. |
Q: It's me again. The growth on my moon cactus is pale green (which you say is normal so thats okay), ...
A: It wasn't the heat that caused discoloration. It was because the cactus wasn't adapted to it. I was ...
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| Pale green spots | 11/19/2008 | Joan A. |
Q: It's me again. The growth on my moon cactus is pale green (which you say is normal so thats okay), ...
A: It looks like those spots were burned in someway. You mentioned you use artificial light, right? If ...
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| cactus liiks funny | 11/18/2008 | Joan A. |
Q: some parts are turning brown and dying and it looks like it has exposed green parts, i'm not an ...
A: If there aren't nay bugs, then it was probably accidently damaged. It will heal, so don't worry ...
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| Crown of Thorns | 11/18/2008 | Joan A. |
Q: My Crown of Thorns has always been an outside plant in the ground and then in a pot. We have moved ...
A: I believe this is a succulent shrub, not a cactus. So they wont tolerate repottings or replacements ...
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| Brain Cactus is sick - please help! | 11/18/2008 | Joan A. |
Q: I have a 5 year old brain cactus cutting from a very large brain cactus from Florida. It was doing ...
A: Due to all that repottings and cuttings, you were probably motivated to do the mistake that everyone ...
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| Brown spots | 11/18/2008 | Joan A. |
Q: I have had a cactus now for about 5 months or so and it seems to be having some very nice growth. ...
A: If the pale green is only on the new growth, it is totally normal. If there are patches of them ...
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| Brown spots | 11/17/2008 | Joan A. |
Q: I have had a cactus now for about 5 months or so and it seems to be having some very nice growth. ...
A: The brown spots are parts of the cactus that have been healed from a damage (such as scratches). ...
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| cactus liiks funny | 11/16/2008 | Joan A. |
Q: some parts are turning brown and dying and it looks like it has exposed green parts, i'm not an ...
A: It is probably the brown bark-looking substance that grows on a damaged part of a cactus when the ...
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| Nopales cactus in salem, or/winter care | 11/8/2008 | Joan A. |
Q: I purchased a nopales type cactus (edible/Mexican)and it was small in the spring and now it's grown ...
A: You are referring to the prickly pear cactus (opuntia). It is best if you leave your cactus outside ...
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| mexican fence post | 11/7/2008 | Joan A. |
Q: what is the botanical name of the mexican fence post? thank you Al
A: You are probably referring to the Pachycereus marginatus (scientific name). The official botanical ...
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| can't find the name of a blooming cactus? | 11/6/2008 | Joan A. |
Q: We purchased a plant this summer and can not identify what it is. It has thorns/barbs on its stem ...
A: If your cacti resembles the cactus in the photo I attached, It is a Gymnocalycium mihanovichii, ...
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| Euphorbia Trigona | 11/5/2008 | Joan A. |
Q: I need your help. Over the last 3-4 weeks the 8 foot plant I have had for over the last 20 years ...
A: I see what the problem is. You disturbed it too much when you repotted your plant in spring. Since ...
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| Euphorbia Trigona | 11/5/2008 | Joan A. |
Q: I need your help. Over the last 3-4 weeks the 8 foot plant I have had for over the last 20 years ...
A: It looks like your cacti is lacking light. Has it been "gloomy" ever since you obtained the plant? I ...
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| mexican fencepost-pachycereus marginatus | 1/14/2008 | Greg Simpson |
Q: I have about 5 stems about 4-8 foot tall and during a recent storm (wind) one stem about 4 foot ...
A: Richard, How should I replant it? After the break heals, replant in the soil about 5 inches deep. ...
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| Sick Mexican Fence Post | 1/12/2008 | Greg Simpson |
Q: I planted a Mexican fence post cactus in the fall. There are three different posts that are infected ...
A: Rebecca, Sorry for the delay in getting back to you. It is probably not a disease. It is more ...
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| Flowering Jade Plant | 1/11/2008 | Greg Simpson |
Q: My jade (which is over 30 years old) blooms every winter. However the flower stalks seem to attract ...
A: Laurel, Sorry for the delay in getting back to you. They sound like fungus gnats to me. If that is ...
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| Help! | 1/10/2008 | Greg Simpson |
Q: I believe I may have killed my husband's cactus but was wondering if there was a way to save it. I ...
A: Jenny, Sorry for the delay in getting back to you. Chances are the roots are damaged if the plant ...
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| false agave | 1/9/2008 | Greg Simpson |
Q: i have a variegated false agave, sorry i don't know the correct name. i think it might have a ...
A: Aron, Sorry for the delay in getting back to you. If it is possible, please send me a photo of the ...
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| Wilted succulent and alpine garden | 1/8/2008 | Greg Simpson |
Q: Hope you can help. I've brought my wonderful succulent and alpine garden in for the winter and it ...
A: Claire, Sorry for the delay in getting back to you. Typically when a succulent wilts suddenly it is ...
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| broken yucca branch | 1/7/2008 | Greg Simpson |
Q: Greg, I too have a yucca plant that is about 5 feet tall with three branches.One of the branches ...
A: Larry, Sorry for the delay in getting back to you. Actually, yet it should branch from below the ...
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| new to planting outside. | 1/7/2008 | Greg Simpson |
Q: I've loved cacti since a child, but I need some beginner's info. as far as types of plants and when ...
A: Marci, Here are some sites that might help: ...
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| Succulent emergency | 1/5/2008 | Greg Simpson |
Q: I have a succulent that I got when it was tiny and it has since grown much larger. I moved about a ...
A: Sara, Very sorry for taking so long to get back to you (forgot to set my vacation notice). Is this ...
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| Sagurao | 1/5/2008 | Greg Simpson |
Q: We have a very large saguaro (about 12 feet) and it has started rotting from the bottom about 3-4 ...
A: Katie, Sorry for the delay in getting back to you, forgot to set my vacation message. Has it become ...
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| Rotting Cactus treatment | 1/4/2008 | Greg Simpson |
Q: I have a small Echinopsis lageniformis (about 1 inch high) that has been shrivelling over the past ...
A: James, Sorry for the delay in getting back to you, forgot to set my vacation message. Something ...
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| Cactus apples | 1/4/2008 | Greg Simpson |
Q: How to thin out a over grown cactus plant it hangs over the walk way
A: Dan, Sorry for the delay in getting back to you, forgot to set my vacation message. Anyway, you can ...
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| Saquaro rotting at base | 1/3/2008 | Greg Simpson |
Q: We have a very large Saguaro in our back yard. We've noticed that there was a hole on one side, ...
A: Roy, Very sorry for taking so long to get back to you (forgot to set my vacation notice). First, ...
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| Transplanting aloe pups | 1/2/2008 | Greg Simpson |
Q: I read your response about transplanting aloe pups, where you'd suggested waiting until the pups ...
A: Deb, Very sorry for taking so long to get back to you (forgot to set my vacation notice). Keep them ...
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| Hanging Jade Plant | 1/1/2008 | Greg Simpson |
Q: I have a Hanging Jade that I purchased last summer. It is in two pieces. One piece is nice, firm, ...
A: Vee, Very sorry for taking so long to get back to you (forgot to set my vacation notice). Remove ...
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| Pencilneck Euphorbia | 1/1/2008 | Greg Simpson |
Q: I have a pencilneck euphorbia (green stick tree) it is about 2 feet tall and I am living in cold ...
A: Mike, I think you answered your own question. The environment your plant is in is key. However, it ...
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| cactus problems | 12/31/2007 | Greg Simpson |
Q: I have a cactus that belonged to my mother, it is about 20 plus years old. It is about 9 ft. tall. ...
A: Sheila, You'll have to take cuttings. Make sure to take them at least 3 to 4 inches above the where ...
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| cactus-madagascar palm | 12/30/2007 | Greg Simpson |
Q: I've has my plant for three years. It's 3 feet tall. I purchased from Florida, I live central ...
A: Tonya, Sorry for the delay in getting back to you. If the stem of the plant is soft, try cutting it ...
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| madagascar | 12/30/2007 | Greg Simpson |
Q: Are there cacti from Madagascar?
A: Rosetta, Technically, no. Cacti are only native to the Americas. However, cacti have been ...
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| Top of cactus turning black | 12/22/2007 | Greg Simpson |
Q: A friend gave me what I think is a Peruvian Apple cactus a month ago. It was originally 10 ft. ...
A: Leah, Sorry for the delay in getting back to you. It sounds like it may have been exposed to some ...
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| brown sides on cactus | 12/21/2007 | Greg Simpson |
Q: I have a 6 -7 foot cactus 1. the top broke off so i am following your advice you gave someone else. ...
A: Susette, Sorry for the delay in getting back to you. Is there any green left in the plant? If there ...
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| Euphorbia trigona | 12/18/2007 | Greg Simpson |
Q: i saw your previous answer to the replanting question and may have a similair problem - i too have ...
A: Howard, Sorry for the delay in getting back to you. It sounds like it may be rotting. Is the trunk ...
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| Cactus milk in eye | 12/18/2007 | Greg Simpson |
Q: What happens if you get cactus milk in your eye. I think it happened to me and my eyes burned and ...
A: Scott, Sorry for the delay in getting back to you. What you have is not a cactus, but a Euphorbia. ...
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| cactus identification | 12/16/2007 | Greg Simpson |
Q: I live in Dayton, Ohio. This past summer I removed a row of thick shrubs(evergreens) that have ...
A: Todd, Sorry in the delay in getting back to you. Please send me photos to greg8365@hotmail.com. By ...
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