Poinsettias are famous for their flower-like bracts that turn bright red in the winter time and earn them a place as an extremely popular Christmas plant. At night, however, poinsettia plants must not receive any light for at least 12 hours. I got a huge poinsettia from my neighbor, the question I have is if I kept it in the house all year would it continue to grow? I hope this helps. Yes, you should cut it back to a height of 4 to 6.” https://www.growingagreenerworld.com/restoring-a-poinsettia-to-its-christmas-color/ . Just waiting to put in the dark. (Many have been red for a week or two; others are their usual color.) Just trying to figure out how tightly I have to monitor this in case ‘life’ gets in the way! I’m assuming it’s not drastically different from non-dark. Am I understanding that I should prune it all the way back (in this case) to were there are no leaves left? They are all in an east facing window. This plant might just need a makeover above and below ground. Don’t worry about the limp leaves. Poinsettias are intolerant of the cold, so if the temperature is too low, it may begin to lose leaves. So I will continue leaving it in front of the windows as its the only time I have ever had a poinsetta live let alone change color. My poinsettia got too cold because I walked across the street with it in 20 degree weather. Thanks Paul and I’m rooting for you! However, it’s the end of October first of November and some are very leggy. In mid-October, I moved my poinsettia’s from an outdoor patio to an unused bathroom which gets no light in the evening. Thank you. rather than bring them indoors from the porch (where they make a lovely splash of bright green) can I just cover them at night with a blanket? Some of the new leaves are turning red (only half of the leaf), some times it seems the leaves are very light green so if we keep it in the box for a day they get a very nice dark green . I don’t care if the plants turn red; I really want them to thrive until I can put them outside again next Spring….Thanks for any tips.. I wouldn’t try to force any changes there. Days are getting longer and you can’t give it the environment it needs to change outside. Poinsettia grows in the wild in Mexico where it easily caps off at six feet (two meters) tall. Not only has it still got red flowers , the leaves have also not dropped. Unfortunately I had to be away for conferences and meetings 4 times and so the treatment was not consistent. IT HAS MULTIPLIED IN SIZE AND IS VERY GREEN. I was going out of town for the holidays, so I didn’t complete the eighth week, sorry! You an also fertilize with a a diluted mix of liquid fertilizer (about half strength) until you plant has settled in for a few weeks. Check with your local cooperative extension service for more information. Sorry to hear that Betty. I brought it inside in the beginning of October and started the 12 and 12, light and dark. Honesty, I don’t know the answer. I would wait until February or early March to cut it back. (early, not sure when you started the dark light program?) That was 4 years ago. Thanks for sharing this tip with us. Image by SharonDay. For instance, Pink Knotweed , they say, doesn’t like direct sun light. The window is pretty cold in the winter and they virtually bake in it in the summer. Dropping the temperature to about 60 F at night will not hurt the plant. They both fill up the window that is their year round home, which baffles me. Is this normal? I water it every 4-6 days. Also, if you transplant and cut back, keep it out of all day direct sun for a couple weeks. Is it too close to a heat vent? Thank you for your help! As for total hours, I think the 15 or 16 hours isn’t as critical as total darkness is, but the closer you can get to 14 hours the better. Q. Non-Blooming Poinsettia - I have one poinsettia that is about 2 feet wide and 2 feet high with about 20 blossoms on it.… Q. Very leggy plants tell me it needs more light. Hi Kimberly. They keep their blooms nearly all year long. During the day, the plants need bright light, along with the other routine care. https://www.growingagreenerworld.com/turning-poinsettias-red-again/ this link may help. Poinsettias as Houseplants They have new growth shoots approx 4 inches high shooting above the white bracts. Thanks! I have a pointsett that still has red leaves. This will help me now because I used to leave it outside and it was dying on me did not now why now that u know ill make this plant live more and my wife will be even more happy. I’ll list a few that come to mind in no particular order. 2) Can I completely block the light for 4 weeks? My fear is that at this point, your plant may drop most of its leaves, which is not what you want. Prevention Mine is getting red on its own, slowly though but that’s ok. Plants eventually become “pot bound” or “root bound” when confined to the same container as the plant grows. Loss of the older leaves is fine as long as new leaves are growing and the plant looks happy. I am not too great at pruning, the hours I work prevent me from doing the light dark routine. However, a diluted dose of liquid fertilizer every couple of weeks wouldn’t hurt for overall health, but don’t do it to try and boost the leaf size. I have been going through all the comments and have learned a lot. I have a poinsettia that has been beautiful, putting in closet at night and doing what I am suppose to, but one of the branches has broken and I don’t know what to do. it will cook your plant. Once flower bracts have developed definite color, you can reduce the amount of darkness and increase its water. Hi everyone Find more gardening information on Gardening Know How: Keep up to date with all that's happening in and around the garden. But I plan to keep going until the end if December. Eventually nothing is left to feed the plant until you add it back with fertilizer. Water when the plant becomes dry. But I wouldn’t worry about pruning them yet. Thought I’d killed it but eventually it started sprouting again. Each was purchased at a different store a year apart. Severe under-watering, in which a Poinsettia Plant badly droops, results in both green and colored leaves dropping off. You need a good head start. However, starting in the evening, the plants must get complete darkness. G. I have been putting my potted poinsettia in a closet every night without fail for a month. Prune it to make its top rounded forming to a nice little tree depending on how big it is. She had it in the house all the time! I’m very curious to know how this works out so please get back to me on the outcome! But it is not cold-hardy for Tennessee. Yes, you could buy a plant for a few bucks and have all the red you want. Can I use a winter shrub cover to make my poinsettia bloom? New growth should result from just below your cuts. Then try again with the leaf turning process next fall. You may also want to assess where you plant is located. I put the plant in a dark closest that is not used with a black plastic bag. After five days! Fuzail, It winters in the cool guest room with generally only natural light. Any light leaks can break the cycle and your efforts to turn leaves red can fail. Over-watering a Poinsettia Plant causes green leaves to fall off, leaving the bare stems topped by a few colorful bracts that you seem to have. Should I be concerned that if the plant turns red and I stop the 14/10 hour dark/light cycle, will it revert back to green? Some of the new leaves are turning red (only half of the leaf), some times it seems the leaves are very light green so if we keep it in the box for a day they get a very nice dark green . Water and medium shade (and keep out of direct afternoon sun) are key until it recovers over a week to 10 days at least. The leaves are getting very ratty and now when it loses leaves none grow back. I was wondering how are some people able to keep their poinsettias red even after winter? Good luck Chris. how about putting them in a box in the basement. I’m going to try this 14/10 thing this year. Caring for Your Poinsettia Once you have brought your poinsettia home, the first step is to place it in a well lit position. Eventually the leaves will start to drop off. My plant is in week four of 14 hours of darkness and only one small leaf is beginning to turn red. Also, once they’re fully red, can you break the cycle? Finally, choose a plant with as many coloured flower bracts as possible. When you do, break up the roots so they’re not all tightly wound in a circular pattern and use a high-quality “potting soil” or “container mix” when you transfer the plant to the new pot. I gave up. They are inside in a very bright room out of direct sunlight. Poinsettia. very workable solution worth sharing with others looking for ways to get their poinsettias to rebloom. I’m sure the environment may have changed drastically from the nursery so the plants may be trying to figure our their new environment. If I cover it with black garbage bag , from what time till what time is best to leave the garbage bag on the poinsettia plant? I’m going on holiday for just a week but am not sure if my poinsettia plant is going to be ok whilst I’m away? Maybe your plant isn’t getting 14 hours of TOTAL darkness. At this point, forget the fertilizer, keep the soil barely moist and don’t worry if the leaves don’t look great for now.