Red Margin Bamboo is an excellent choice for privacy screening in colder climate zones because of its fast growth, cold hardiness and ability to withstand cold dry winds. It is named for the small red margins of coloration on all the new edible shoots.
Phyllostachys Rubromarginata 'Red Margin'
Sun to Shade
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Taller screening abilities that most hardy species.
Canes posses strong wood quality.
One of the fastest growing bamboos.
“Phyllostachys Rubromarginata ‘Red Margin Bamboo’ is our fastest growing screening bamboo. ‘Red Margin Bamboo’ is an excellent choice for privacy screening in colder climate zones because of its fast growth, cold hardiness and ability to withstand cold dry winds. It is named for the small red margins of coloration on all the new edible shoots.
This past year ‘Red Margin Bamboo’ was the most sought after bamboo we supplied. It has beautiful green canes with long nodes. Very hardy bamboo that makes a great screen and is growing well in warm climate zones 5 locations.
This one is doing well above 5000 feet in cold Denver, CO. The culm (cane) sheaths are olive color with fine reddish striping. The culm sheath borders have the pronounced red margin. Sheath auricles and oral setae are absent. The ligule is dark red in color. Handles salt spray well. This great bamboo will provide a screening effect even in densely shaded areas.
In USDA Climate Zone 7 expect mature size canes to be over 50 feet. in height.
In USDA Climate Zone 6 expect mature size canes to be 20 to 30 feet in height.
In USDA Climate Zone 5 expect mature size canes to be 12 to 18 feet in height.
An extensive government study done by Auburn University agriculture department showed it to be superior in culm/rhizome production. The university tested twenty seven species over a thirty year period and found it be dramatically superior over the other bamboo tested in the genus. We have found this species to be a healthy and strong grower. It is one of the best species if you want to have a bamboo grove or screen fast.
Phyllostachys Rubromarginata ‘Red Margin’ is an excellent choice for shaded areas. This species has proven to do very well in deep shade. In our experience it has also adapted to wet sites very well. Even out performing Phyllostachys atrovaginata or Phyllostachys purpurata in poorly drained areas. Once established it grows very dense and produces hundreds of canes close together.
The beautiful canes are highly sought after for use in arts and crafts. The long inter nodal spaces can reach up to 22 inches on mature canes. The hardwood of this species makes it an excellent timber bamboo.
Its name is derived from the beautiful red markings on the new spring shoots.
Plant introduction number (PI) into the U.S. 77000
The Chinese name for Phyllostachys rubromarginata is Hong Bian zhu
Bamboo grows a little different than most plants. The bamboo that you get initially never grows vertically again. It has babies that are taller, that has babies that are taller. Every generation should be taller that the previous year's shoots. The intriguing aspect is that each year’s growth emerges and grows to it complete height in 60-90 days. They spread as they produce larger growth, filling in and providing a screen.
This link will help you learn how bamboo grows. It will give you an idea of what kind of growth to expect from your planting. It is a lot of information, but well worth your time. How Bamboo Grows
Planting bamboo is also easy. You want to dig a hole about twice the size of the root ball. When you plant the bamboo amend your soil with composted manure and a good top soil. Bamboo can be planted at ground level or slightly deeper. It is not a picky about it conditions but this will help get it off to a good start.
One division of bamboo will start a grove or screen over time. However, if you want a privacy screen fast, I recommend planting bamboo 3 to 5 feet apart. This will hopefully allow you to have a good screen in three years. There are a lot of factors such as water, sunlight, and climate zones that speeds up or slows down the process. Three years is about the average on this spacing, closer planting will allow you to screen or develop your grove faster. You cannot over plant bamboo.
Bamboo can benefit from a fertilization program. You can safely fertilize your bamboo once it has been in the ground for one month. A time release fertilizer will work great. Time release fertilizers allow for proper absorption in case your soil is out of PH balance. We offer some fertilizer to help with growth. We fertilize twice a year. Once in the early spring to encourage new growth and then again during the middle of the grow season to replace any nutrients that are being depleted. Click here to see our recommended fertilizer: Our Fertilizers
Over the years a lot of myths have been told about bamboo, while it can spread under good conditions, it is not as invasive as many people would have you believe. In colder climates an aggressive runner here in the south will hardy spread at all in comparison. We have been growing bamboo since 1985 and had experience with it long before that. The bamboo's underground root system (rhizome) will spread beyond the initial planting over the years, so in the next two or three years you will need to decide on some method of containment on the sides you do not want the rhizomes to run over into.
We have constructed a page discussing multiple methods of controlling bamboo. It goes over root pruning, mowing new shoots, and in ground barriers: Controlling Bamboo
All this said and it may discourage you, but as with any plant there will be maintenance. Bamboo is very beautiful and is great in a Japanese style garden, but it will need maintenance down the road. At first it may seem to be doing nothing, but after 3 to 5 years you will have a lot of beautiful culms (canes) and love the foliage. All our 150 plus species simply contained by mowing and weed eating the new Spring and Summer shoots. Hopes this helps and don't be afraid of the bamboo.