Ficus elastica - droopy leaves and leggy
mmauenn
6 years ago
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Ficus Benjamina
Comments (29)My only ones in pots are accidental (compliments of some 'toilet trained' birds that still prefer to use a potty). The one in this photo grew out of a drain hole. Because the original plant had died I ignored it. But it's roots got to reaching the ground. I've decided that coming wet season it's going to be hung up high in a tree and then it can do what benjaminas do best. Hung it up on a ladder so the roots would show up in the photo. They were already touching the ground. A self sown fern has joined it. The trunk runs along under the pot before turning upwards....See MoreFicus Elastica: Please Help Troubleshoot & Transfer to Gritty Mix
Comments (19)Hi again @tropicofcancer (6b SW-PA) ! I cut a square of mesh from an onion bag I had, worked great, thanks! You were right, not much root development, so I made sure to trim only a little bit and was able to repot late Friday night. I waited until Saturday morning to flush with water and then set it outside on my fire escape. Unfortunately, the fire escape is the only place I could leave my plants outside. A couple of further questions: When will it be okay for this guy to get direct sun again? I haven't watered it since Saturday. When should I water next? Or better yet, does it need to stay moist while it is getting acclimated? 2/3 stems are slanted. Should I stake them straight up? In one of the pics below, I circled the "wrinkling" that appeared on 2 of the stems while in the previous soil mix. Is this due to salt pulling water from the stems? How could I help the 2 stems recover from the trauma? Does this mean the roots will no longer take up water? Does this mean the roots are vulnerable to sunburn? Hypothetically, if I would have removed the bottom leaves, which were the first to show signs of salt/mineral trauma, would that have slowed down the traveling of the salt/minerals upwards? I am asking this because 1 of the 3 stems does not show any signs of wrinkling on its' stem. This stem also had a combo of more root development and fewer leaves. Not sure if there is a correlation there but I found it interesting and wanted to see if anyone could chime in with the science behind what is going on there. In another picture below I circled I think is called the apical meristem (PLEASE correct me if I am wrong). This stem in particular is in the worst shape of the 3. I noticed the shealth was extremely crunchy and hard - - Is this also a result of the salt/mineral build-up? Or a nutrient deficiency perhaps? Or is it the surrounding environment that causes this in plants? The plant doesn't have any signs of shock from the repot (yet). I am holding my breath but so far, so good. I apologize for all of the questions - - I am just very curious! Thanks for reading all this if you have made it this far lol roots: roots cont'd: my outside oasis aka fire escape: close up after the repot: What does the shriveling circled below mean? too much of a slant here? Should I stake it straight up? Crunchy apical meristem(?) :...See MoreFicus rubber plant a bit slow
Comments (5)How long has your tree been in the pot it's in now? Your best back-budding response, by far, will come from a well-timed pruning of a healthy tree, and the best time to prune is either here or is fast approaching (if you live in the Northern Hemisphere. The partially formed branches you can see/feel in leaf axils (crotch formed by leaf stem and branch) and/or above leaf/bundle scars are repressed by a growth regulator/hormone (auxin) synthesized primarily in the branch apex, where extension growth takes place near the tip of the branch. This is a ficus branch started as a cutting. By removing the apical meristem at the tip of the branch (note the stub as witness to it having been removed), I eliminated the source of the chemical that represses lateral growth, sometimes called side shoots. The new growth in leaf axils are new branches. Had I NOT pruned the tip of the branch off, the cutting would have continued to elongate indefinitely and the lateral breaks might never have occurred. You can force lateral branching, and even decide where that branching will occur, by pruning strategically. More light very often does cause some lateral breaks here and there, but there is no guarantee insofar as where they will occur or even if they will occur. If your F elastica is healthy, you can be almost certain it will back-bud from 2-5 or more nodes immediately proximal to any pruning cuts that eliminate an apex. The most enthusiastic response will come from trees fertilized at luxury levels and moved outdoors into dappled or open shade several weeks before the pruning. Provide some images of your plant and I'll help you prune it to ensure it grows shrubby instead of tree-like. Al...See MoreWhat to do with my leggy Ficus Lyrata?
Comments (12)Hi, Sarah. It looks like I missed some of your questions last month, so I didn't get to thank you for the kind words. If I’m understanding the fan and air circulating is a good thing? Keep that going? There are several benefits to having a fan moving air in areas where there are plants. Air movement disrupts the boundary layer or (still) air surrounding leaves, which increases evapotranspiration, which increases the speed of the nutrient stream, which delivers more nutrients, nutrients that serve as the building blocks plants need to grow normally and keep their systems orderly. It also helps to limit insect and disease pathogen infections, especially fungal and bacterial. Deflection (flexing/bending) of thin stems/branches caused by air movement stimulates production of lignin, a natural polymer that makes plants strong and woody. Air surrounding groups of plants grown indoors in still air can have a higher oxygen concentration than normal. Air movement increases the amount of CO2 plants need to synthesize simple sugars (the 'true' plant food) during photosynthesis. If you grow under lights it helps limit heat build-up in foliage, and limits the amount of dust likely to collect on leaves. Currently this tree is getting SE morning sun. After pruning, if I put it directly outside of the sunroom, on the deck, it will get direct sun till about 1-1:30pm. Since only 3 lower leaves will be left do I need to be concerned that they will burn? As long as the plant was reasonably healthy when you pruned it, you needn't worry much about leaves burning. That isn't to say they won't, because they likely will, depending on how much light they're acclimated to. It just won't be that big of a deal because the pruning will force back-budding immediately proximal to the pruning cut(s), and these leaves will come on line perfectly adapted to the photo load wherever the plant is sited. The larger concern is the danger of sunburn on green branch tissues. No need to worry about branches/stems covered with corky bark which is dead and will provide shade/protection for the live bark located between the dead bark and cambium. I regularly pinch Ficus branches and skip acclimation of leaves when moving trees from the basement (under LED lights) to their full sun summer location. The increase in light burns the leaves, which are then shed, and new branches grow from the axils of leaves being shed. I end up with lots of back-budding, which includes adventitious buds (buds on internodes or places other than the leaf axil), and a new flush of pristine leaves perfectly adjusted to a full light site. This is a pretty big deal if someone is trying to increase their tree's ramification (leaf and branch density). Should I have used a different soil mix or can this work for at least this year till next spring? The more water-retentive a medium is, the more care should be taken to get watering intervals right. Ideally, getting to a place where you can trust your mix to hold most of it's water in internal pores of porous media components, on the surface or all media particles, and at the interface where media particles contact each other, leaving all or a very large fraction of the open air spaces between soil particles free of water. Advantages offered by extra sharp (fast) drainage and high air porosity can best be achieved by ensuring a very large fraction of your grow medium would be retained above an 1/8" screen. Examples of what I use: When pruning if I make a cut but then a day or so later decide I want to cut lower removing more leaves on a stem from the top, will that come with repercussions? No unless we were talking about a tree that's circling the drain and you're considering removing some of its last few leaves. Cutting any branch back farther, to a leaf closer to the trunk or roots, is not a problem for a reasonably healthy tree, but you have the tree's natural rhythm to consider. It's habit will be to grow long gangly branches in winter, and nice tight growth (shorter internodes) in the summer. You want your pruning strategy to be in sync with the tree's natural rhythm: Mid-May - Prune off all lanky winter growth, all the way back to the previous summer's tight growth/ short internodes; this, because when your tree back-buds after your spring pruning, the new branches will come from the leaf axils of last summer's tight growth. So, where last years summer leaves were close together, the next years branches will also be close together because they come from those leaf axils or above the leaf scares where a leaf was once attached. Summer - As new branches elongate, wait until the 3rd leaf is about to open, then pinch the branch back to 2 leaves. As you have already seen, this will force new branches to grow in the leaf axils. Keep a close eye on all branches; and, when that 3rd leaf is opening, pinch the branch back to 2 leaves. This is the best way to increase ramification by pruning. Fall - Stop pinching around the first wk of Sep and allow the tree to grow unchecked by any additional pruning. IOW, don't prune after the first wk of Sep unless the tree is absolutely growing out of bounds. Even then, only remove the growing tip (apex/ apical meristem) of the offending branch, reason being - if you cut back too far you'll activate the buds you're saving to activate next summer and the branches they produce will have long internodes. I was thrilled and shocked at how quickly new stems started growing. Would you suggest that I prune the new stems? What I originally suggested: "So, what I would do is, cut all the branches back to a single healthy leaf. Removing the growing tip of the branch will force back-budding proximal to (behind) the pruning cut." Other than instituting the pinching regimen I suggested, whether or not you should prune depends on what you want to achieve. My plan, to cut back to a single leaf, was meant to force back-budding closer to the trunk, which would allow you to prune back harder next summer. If I thought you would be amenable to cutting the branches all the way back so there were 2-3 leaf scars and no leaves on the branches, I would have had you do that. I figured it would be better to earn credibility step by step that to suggest what you would surely view as a operation too radical and just give up on me. So, what is your vision for the tree? - what do you eventually want it to look like? Al...See Moremmauenn
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