Ficus Nitida (Retusa) Hedge spacing advice please.
12 years ago
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Ficus Trees in Containers
Comments (169)Insofar as how it would impact root health, there is no difference between plastic and high-fired clay/ceramic. If you can see no crazing (myriad small cracks reminiscent of a fish net with small holes) in the glaze, you can eliminate anything toxic making its way from the pot to the grow medium. If you haven't fertilized or used any type of tonics, insecticides, leaf shine, detergents, etc., it's a very good bet you have unwittingly over-watered due to the fact there is no way for water to evaporate or be used by the plant as the new medium is not colonized by roots and remains a hostile environment to roots due to lack of oxygen. My suggestion would be to lift the plant from the pot to see it the lower reaches of the soil column are saturated. If so, see figure D below. Remove the soil from the new pot, place an over-turned pot in the bottom of the pot so it fits snugly, and cover the drain hole of the over-turned pot with something that won't rot (it does not need to allow water to drain through the hole in the over-turned pot, but it's ok to use a screen if you wish). Mix enough of the soil that falls away from the roots or remains in the large pot with an equal measure of perlite and fill to the top of the over-turned pot, then reposition your plant on top of the pot. and back-fill with the remaining soil w/o the extra perlite. The shaded areas in the images above represents perched water. By comparing D to A, you can see the over-turned pot significantly reduces the amount of excess (perched) water your soil will b e able to hold, so air will return the the soil much faster. The operational words for the moisture level of a grow medium is damp/moist, never wet/soggy. After having put the pot to work as ballast, start checking moisture levels with a "tell" you can make from a wooden dowel rod. It is far superior to a finger or a "moisture meter". More about using a 'tell': Using a 'tell' Over-watering saps vitality and is one of the most common plant assassins, so learning to avoid it is worth the small effort. Plants make and store their own energy source – photosynthate - (sugar/glucose). Functioning roots need energy to drive their metabolic processes, and in order to get it, they use oxygen to burn (oxidize) their food. From this, we can see that terrestrial plants need plenty of air (oxygen) in the soil to drive root function. Many off-the-shelf soils hold too much water and not enough air to support the kind of root health most growers would like to see; and, a healthy root system is a prerequisite to a healthy plant. Watering in small sips leads to avoid over-watering leads to a residual build-up of dissolved solids (salts) in the soil from tapwater and fertilizer solutions, which limits a plant's ability to absorb water – so watering in sips simply moves us to the other horn of a dilemma. It creates another problem that requires resolution. Better, would be to simply adopt a soil that drains well enough to allow watering to beyond the saturation point, so we're flushing the soil of accumulating dissolved solids whenever we water; this, w/o the plant being forced to pay a tax in the form of reduced vitality, due to prolong periods of soil saturation. Sometimes, though, that's not a course we can immediately steer, which makes controlling how often we water a very important factor. In many cases, we can judge whether or not a planting needs watering by hefting the pot. This is especially true if the pot is made from light material, like plastic, but doesn't work (as) well when the pot is made from heavier material, like clay, or when the size/weight of the pot precludes grabbing it with one hand to judge its weight and gauge the need for water. Fingers stuck an inch or two into the soil work ok for shallow pots, but not for deep pots. Deep pots might have 3 or more inches of soil that feels totally dry, while the lower several inches of the soil is 100% saturated. Obviously, the lack of oxygen in the root zone situation can wreak havoc with root health and cause the loss of a very notable measure of your plant's potential. Inexpensive watering meters don't even measure moisture levels, they measure electrical conductivity. Clean the tip and insert it into a cup of distilled water and witness the fact it reads 'DRY'. One of the most reliable methods of checking a planting's need for water is using a 'tell'. You can use a bamboo skewer in a pinch, but a wooden dowel rod of about 5/16” (75-85mm) would work better. They usually come 48” (120cm) long and can usually be cut in half and serve as a pair. Sharpen all 4 ends in a pencil sharpener and slightly blunt the tip so it's about the diameter of the head on a straight pin. Push the wooden tell deep into the soil. Don't worry, it won't harm the root system. If the plant is quite root-bound, you might need to try several places until you find one where you can push it all the way to the pot's bottom. Leave it a few seconds, then withdraw it and inspect the tip for moisture. For most plantings, withhold water until the tell comes out dry or nearly so. If you see signs of wilting, adjust the interval between waterings so drought stress isn't a recurring issue. Questions? Al...See MoreHELP! Ficus With Brown Spots & Dropping Leaves
Comments (17)Hello!! I am having the same issue with my Ficus Bonsai. Just 3 weeks ago, I moved from my home into my dorm, and I brought my bonsai with me. Since then, he's been losing leaves, and its been getting worse!! (Theres leaves with dark spots, and leaves with dimples) At first, I assumed it was travel shock, but would travel shock last for 3 weeks? I have been watering when the any of the top inch of the soil gets dry, should I water more? Less? The pot has drainage holes at the bottom, but its sitting in a white pot so water might not be able to escape as easily. There's space on the sides- should I poke holes in the sides? And finally, my last note, is that I noticed some white substances it gathering at where the roots meets the ground, should I be concerned?...See MoreFicus nitida, oleanders, or something else for privacy hedge?
Comments (5)You should check out the thread "Can someone please help about vines" (I think that's it). We are talking about Lady Banks roses as a good privacy hedge. That's what I planted to cover an ugly chain link fence alone the alley behind our house. It has filled in exceptionally in just two years. Low litter, needs little water once established and is evergreen. On the other two sides of the yard we planted Yellow Oleander (Lucky Nut, Thevetia), it's a cousin of the true oleander. It's a much prettier bush than traditional oleander: deep green, very shiny leaves. Very pretty when a breeze ripples through. Unfortunately, we lost a lot of them the first winter (2006) due to the freeze mentioned above. Some have come back strong, we completely lost 3 and the rest are just not performing that well. Wish we had planted all Lady Banks. BTW, we have 450' of ugly chain link we are trying to cover. That's a lot of holes to dig!...See MoreHELP! I Inherited 20 Ficus Benjamina trees. - Los Angeles
Comments (29)Thanks so much parker25mv! Looks like we're both on the same page. I'm not planning on planting them in the ground, and I agree that they're too dominant in LA right now. When I was trying to find a suitable screen plant I read through all of the ficus discussion on here and decided against them. Then these fell into my lap, which opens up budget for native CA plants elsewhere so I'm trying to make lemonade. I'll leave them in the half-barrels, but I'm also open to any suggestions to make them healthier. Root pruning has been suggested above, which I'm looking into now. Thanks!...See MoreRelated Professionals
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