Containers forum: Growing a hedge in containers

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warrnambool
jimbob79
Dec 21, 2017 7:13 AM CST
Hi l would like to grow a hedge of native plants around 2 or 3 meters tall , l want the hedge to be over concrete which means l cannot plant them in the ground, it would also be in full sun. The hedge would be for screening . l was wondering if anyone can recommend some native hedge plants that could live their entire lives in containers that would be good for such a hedge, Also any tips for having them in containers such as watering, fertiliser and pest control? and the size of container needed when then grow to full height 2 0r 3 meters
[Last edited by jimbob79 - Dec 21, 2017 7:15 AM (+)]
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Name: Kristi
east Texas pineywoods (Zone 8a)
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pod
Dec 23, 2017 9:54 PM CST
Not knowing where you are located makes it hard to recommend native plants for your area.

I have grown the common boxwood in containers. I have found no problems with pests on these plants in my area.

However, I did find that after a few years, I needed to be remove the plant from the container and root prune the plant. If this was not done, the plants' fullness became more sparse. It also required less watering when the roots were pruned.

I think you may have trouble attaining the height that you want unless you have large containers to support that growth.

The larger plant will also demand more watering. I would not fertilize excessively as that would only promote more growth. Use only enough fertilizer to promote plant health.

Good luck with this endeavor and please keep us posted on what you decide.
Be content moving inch by inch because, by days end, the inches, will add up to feet and yards.

Fulfilling ambitious objectives is usually done one step at a time.
Name: Sue
SF Bay Area, CA (Zone 9b)
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Zuni
Dec 24, 2017 12:47 AM CST
@jimbob79 I looked up your town in Australia and learned you're in a pretty temperate zone. I also did a search on the internet using "Australian native plants for screening" and some good links to articles popped up. I'm new here, so I can't put links in my posts yet. But, if you use that search term, you should find the same articles.

A couple that looked promising to me were "Hot Flush" Lilly Pilly (Acmena smithii), and also a few different bottle brush varieties (Callistemon), like "All Aglow" or "Tangerine Dream." Those would be the size you wanted. I got that info from a website called "Gardening with Angus."

I tend to go for big planters when I plant in containers. For instance, I just bought a dwarf crape myrtle tree and I'm going to put it into a pot about 23" wide and 23" tall. It will grow to about 8 or 9 feet tall, so it will be roughly the same size you're talking about. I've been assured by more than one nursery that this size container should be fine for this tree. So, I'd guess this size would also work for your shrub.

Then, what I'd do, is put them in a row with a drip irrigation system. They're pretty cheap to set up. You basically just run tubing across all of the pots - one long tube. And, you either punch a hole in it at each pot, or you install a little spigot into the tube over each pot. Then, you turn the water on low, and they just drip, drip, drip - not using a lot of water, and keeping the plant moist.

The last time I used this type of setup was in a vegetable garden where I used gravity feed. I put a water container on top of something, then filled it with water, and let gravity water the plants through the little irrigation drip tube. Worked great.

You didn't say how long of a hedge you needed to create, but another watering option, which is the one I'm going to use for my tree - is an olla (pronounced oya). It's a terra cotta container that is shaped like a balloon with a skinny neck at the top. You bury it into the pot with your plant with the neck sticking out of the soil. Then, you fill it up with water, and the water will seep slowly into the soil. Same basic idea as the drip system, but more labor intensive, as you have to water each one separately.

For what it's worth. Good luck!
[Last edited by Zuni - Dec 24, 2017 12:56 AM (+)]
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