Pencil Cactus

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  1. Lowest Temp Pencil Cactus Can Tolerate in Chicago
  2. Why Does My Pencil Cactus Have Yellowish Tips?
  3. Repotting Pencil Cactus and Pruning Lavender
  4. Pencil Cactus
  5. Can I cut in half?
  6. my 4' pencil cactus was outside when the temp dropped to 38 F
  7. Proper indoor growing of the stick (pencil) cactus
Asked by Dutchesss65 on November 23, 2012
Lowest Temp Pencil Cactus Can Tolerate in Chicago

What is the lowest temperature my 7-foot pencil cactus can tolerate here in Chicago?

ANSWERS
AnnsGreeneHaus

Euphorbia's are temperature sensative and will drop leaves and/or segments if they get too cold. I lost heat in a greenhouse last winter with temps at 10*F outside. The greenhouse temp dropped to 22 for one night. All euphorbia's dropped leaves, some perished completely, and the 2 big pencils lost a lot of segments. Any night temperature above 55*F. will be sufficient for your plant.
The plant will survive in temperatures down to 40*F., but will not grow. Any legnth of time under 40*F. on a regular basis will leave you with an unhappy camper.

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Asked by Anonymous on February 7, 2014
Why Does My Pencil Cactus Have Yellowish Tips?

I have a 30-inch tall bush-like pencil cactus. The last 3 inches or so are turning yellowish. What does it need?

ANSWERS
Nikki
Certified GKH Gardening Expert

This is typically caused by overwatering. Make sure to let the soil dry out in between waterings. If it was accidentally overwatered in the past, I would check the roots to make sure that there is no root rot.

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Asked by Anonymous on March 21, 2014
Repotting Pencil Cactus and Pruning Lavender

My pencil cactus is in a 4-inch clay pot. It is roughly 3 ft tall with very little lateral growth. I have it staked but am concerned that increased growth will unbalance it. Should I prune it back to encouage side branching? My lavender bush is very woody but am unsure how to cut it back. Please help. Thanks.

ANSWERS
Nikki
Certified GKH Gardening Expert

Yes, you can always prune back the plant if desired to both control its growth and encourage branching. It does sound as if it may also need repotting, so this link should help with that: https://www.ehow.com/how_8513274_pot-pencil-cactus.html As for your lavender, the following article will help: https://www.gardeningknowhow.com/edible/herbs/lavender/pruning-lavender.htm

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Asked by Dona B on April 24, 2014
Pencil Cactus

My large pencil cactus is “laying down” in its pot and cascading down the sides like a hanging basket. I have another one that is upright and growing normal. Is this not really a pencil cactus and maybe something else or what can I do to encourage it to stand upright?

ANSWERS
Dona B

Thank you!

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theficuswrangler
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Asked by Diana M on June 27, 2014
Can I Cut in Half?

I have a pencil cactus that is over 7ft tall but healthy. I can’t get it to stand up straight. Can I cut it in half and cap it with something to prevent disease?

ANSWERS
theficuswrangler

Easy peasy. Cut it wherever you want, don't worry about "capping." You can pat a bunch of dirt from the pot to keep the sap from making a mess. (Sounds weird I know, but I do it all the time with ficus trees.) Not only that, you can plant the cutting, or cut it up to make several cuttings, and you'll have new plants. This article has more information: https://www.gardeningknowhow.com/ornamental/cacti-succulents/pencil-cactus/care-pencil-cactus.htm

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Asked by mbubmu on November 19, 2014
My 4′ Pencil Cactus Was Outside When the Temp Dropped to 38 F

If I cut it back, will it survive the winter indoors? Or leave as is and wait to see what happens in the east window during this winter? It is mostly firm but the ends are not turgid. The main stem is still green.

ANSWERS
theficuswrangler

You can bring it inside for the winter. Put it in as bright a window as you have. I wouldn't do any cutting back until you see how it's recovering; if the temperature wasn't any lower than 38F, the pencil should be fine. Just be sure to check the soil for moisture down toward the bottom of the pot before watering - the plant is going to use a lot less water indoors than outside.

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Asked by rwharold on July 15, 2015
Proper Indoor Growing of the Stick (Pencil) Cactus

I am being given a cutting of the stick cactus and I want to grow it indoors and place it on my sunny windowsill. I have read online that in nature, it can grow to tremendous heights. How can I keep it at a reasonable size (height) appropriate for my bedroom? I intend to plant the cutting in a 1-gallon size “Smart Pot” using a cactus succulent potting mix. Any advice that you can give me would be greatly appreciated.

ANSWERS
Downtoearthdigs
Certified GKH Gardening Expert
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