Please Help! - Pencil Cactus (Euphorbia Tirucalli) with Dried Stems
johnvisciano
6 years ago
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Kara 9b SF Bay Area CA
6 years agolast modified: 6 years agojohnvisciano
6 years agoRelated Discussions
Help with trimming a Euphorbia Tirucalli (Pencil Tree)!
Comments (11)I've had a E. tirucalli (plus cuttings) for almost 10 years now, mostly kept inside in Kansas and Minnesota (it had those two halcyon years in Phoenix where it lived outside). Yours is actually more filled out than mine is usually. To keep mine from getting too huge I've trimmed it several times, including fairly drastically. It does sometimes resprout from cut-off points, but not predictably. In this, I agree that it won't "fill out" the way you want. I now put mine out for the summer, where the growth in the sun is more compact and thicker. However, I have had all sorts of trouble with sunburn early in the season. After three summers in Minnesota, which ought to be relevant to Seattle/Massachusetts, I keep my plant inside until we're done with frost (i.e., May). It has started growing inside during the spring, somewhat sparsely. But then the growth stops because it is usually too cool in May - so I leave the plant in the shade to avoid sunburn. I then wait until consistent summer warmth (mid-late June), and more new growth, to put it out in the sun again. It stays there until October, or serious frosts. I have also been experimenting with the best location to keep a plant inside overwinter. I would like to prevent my succulents from growing early in the spring if the light is not sufficient for dense growth. Thus, this winter I am leaving some small E. tirucalli in my basement, which stays in the 50s-60s well into June. So far this winter I have a large plant in relative cool and dark, near only one not particularly bright window, and things look OK so far. Finally, if you like these plants you need sometime to see a real full-sized one. In Phoenix there is one in the Desert Botanical Garden which is the size of an orchard apple tree. I'm sure there are also big ones all over southern California, where some people tire of them because of their size, growth and sap....See MoreHas anyone heard of the 'Pencil Cactus' as a Houseplant?
Comments (27)I purchased one of these Euphorbs in late December from a nursery where it was growing in crowded conditions with low to medium light. I set it up at home in my basement with a 10,000 lux light panel and it has put on about a foot of growth since then. Our basement is usually cool (50-60F) and the plant has had no natural light source. I water lightly about once a week (or whenever the top of the soil feels dry to the touch). I recently moved it to an upstairs room with northern light and the light panel along with it, so it will be interesting to see if there is any change in growth habit. As to the plant being poisonous, as with anything, reasonable caution is generally best - keep it out of reach of small children and pets. No need to be alarmist. Keeping an antihistamine such as liquid Benadryl in your medicine cabinet is usually a good idea, in any event....See MorePencil Cactus - Dry and Dying - Please Help!
Comments (7)I don't grow this plant, so I can't offer you any specific advice. I am sure you will be asked what type of soil is in the pot. Many problems start there, as most succulents prefer a gritty, fast draining growing medium. The name of this plant is Euphorbia tirucalli. I hope your research told you that this type plant has toxic latex sap. It can cause dermatitis by contact with the sap. Some people are more allergic than others. If it gets in the eye, it causes excruciating pain usually needing medical attention. So now that I've scared you, just be careful in any pruning. Wash your hands and implements well and don't touch your face when trimming or repotting. Spraying any cuts with warm water will stop the flow of latex. Just a little knowledge beforehand to avoid problems! Good luck with your plant!...See MorePruning & repotting large Euphorbia tirucalli
Comments (8)Personally, I wouldn't prune it at all. The plant looks perfectly healthy, there is no issue with it having "co-dominant stems" and the lean can be adjusted (maybe not fully corrected) just by restricting its light source to the side opposite the lean. These tend to grow in a rather large jumbled mass unless growing as trees in their native environment. But any pruning is always the grower's choice :-) For a soil mix, you want something very fast draining - a cactus mix with added grit or perlite/pumice or the "gritty mix" referred to on the Container Gardening forum....See Morelaticauda
6 years agogardengal48 (PNW Z8/9)
6 years agostanofh 10a Hayward,Ca S.F. bay area
6 years agojohnvisciano
6 years agolaticauda
6 years agorina_Ontario,Canada 5a
6 years agolast modified: 6 years agojohnvisciano
6 years agorina_Ontario,Canada 5a
6 years agolast modified: 6 years agoShane Thomas
5 years ago
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rina_Ontario,Canada 5a