| Subject | Date Asked | Expert |
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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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| broken off cactus pice, transplant and try to save | 12/15/2007 | Greg Simpson |
Q: type unknown, it is tall, single, thick straight up, green with pointers all around. I've had it ...
A: Marilyn, Sorry in the delay in getting back to you. Yes, By now if you still have it, it can be ...
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| Christmas Cactus | 12/15/2007 | Greg Simpson |
Q: We have had our Christmas cactus for several years now, has always done well. This year though, the ...
A: Dan, Sorry in the delay in getting back to you. Based on my experience with them, make sure that ...
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| Two "cactus" questions | 12/14/2007 | Greg Simpson |
Q: I have a Christmas cactus. It's been on the patio all year until just recently. Very flush with ...
A: Sandy, You may have waited to long to water it. That particular cactus is a tropical cactus and ...
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| aloe vera | 12/14/2007 | Greg Simpson |
Q: My dad has an aloe vera farm in Mozambique it has been going for about 3 years now. He has noticed ...
A: Tarryn, I had to do some research myself. Eurytoma is a parasitic wasp, but parasitic to other ...
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| sick Cereus | 12/13/2007 | Greg Simpson |
Q: I have a 5-6M tall cereus, possibly Cereus peruvianus, that is 10 years old, planted outside in ...
A: Joe, Cactus, like Cereus peruvianus get quite large, and so their stems actually turn into wood, ...
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| Saguaro fell over, arms broke off | 12/13/2007 | Greg Simpson |
Q: We also have a cactus that is a victim of the recent rains. This time on 3.3 acres in NW Tucson. ...
A: Kathy, Do you think we could pick it back up? You could try the tractor, but that can be pretty ...
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| Christmas Cactus | 12/12/2007 | Greg Simpson |
Q: About two weeks ago I removed a segment of three leaves from a mature christmas cactus, trimming the ...
A: Ashley, Leave it in the soil mixture you have prepared, it should be fine. Keep the soil moist, but ...
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| Pachypodium Saundersii | 12/10/2007 | Greg Simpson |
Q: My Pachypodium produced 4 seed pods. How do I plant the seeds. I've never grown anything ...
A: Julie, They can be grown from seed, but wait until late spring to sow. Use a mixture of sand and ...
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| saving a saguaro | 12/10/2007 | Greg Simpson |
Q: Please Help! My children (boys) thought it would be a great idea to stab our saguaro w/a rusty giant ...
A: Susan, Generally, if it is oozing black stuff, it will not make it. you can try scooping out the ...
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| zygo (christmas cactus) | 12/9/2007 | Greg Simpson |
Q: how often and how much do i water!? this is so beautiful I don't want to kill it like i have many ...
A: Rachel, I have no idea about your other plant without seeing a picture. If you can send one to ...
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| lithops | 12/9/2007 | Greg Simpson |
Q: i was going to order 1000 lithops seeds and i had a few questions about growing them. First, how ...
A: Dustin, Lithops are not my thing, however they are supposedly very easy to grow from seed. Below is ...
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| My aeonium! | 12/7/2007 | Greg Simpson |
Q: Last year I purchased an aeounium that was a dark purple in full sunlight. I am sorry i cannot tell ...
A: Charlotte, It sounds like it is rotting from the base upwards. You can try re-rooting it by cutting ...
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| Golden Barrel Shape | 12/6/2007 | Greg Simpson |
Q: Simpson, About a year ago, I went to a cactus farm and bought a barrel cactus 14 inches in ...
A: Fred, Without seeing a picture of your plant, I am guessing. However, it sounds like your plant is ...
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| Saguaro Arms | 12/6/2007 | Greg Simpson |
Q: I live out in the Superstition Foothill area of AJ on 6 acres. I noticed today a rather large ...
A: Chuck, That depends on how much damage there is. Generally when a saguaro falls over, it hits the ...
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| Cactus identification | 12/5/2007 | Greg Simpson |
Q: Simpson, I recently bought a cactus around 8 cm high, and was hoping you could identify what species ...
A: Lucas, You have a Notocactus leninghausii. They are very easy to grow and the link below has some ...
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| Powdery substance on Burro's Tail | 12/5/2007 | Greg Simpson |
Q: My hanging Burro's Tail has a consistent thin film of light white powder on the entirety of the ...
A: Alicia, Yes, that is normal on your plant and a lot of succulents and cacti produce it, it is ...
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