Nellies are good, tough, pretty and fast growing, but they do get quite wide so evaluate the space and placement with that in mind.

I don't see your zone, but I would use a mix of deciduous and evergreen shrubs, including some conifers. I would think that deciduous would be ok even where you want to hide the trailer, etc. since you probably don't hang out in the yard a lot in winter, though if you do all hollies there, repeat a group of hollies at least once somewhere else.

Most shrubs grow at least as fast as the hollies you're presently interested in, though they'd be much wider, a plus as far as I'm concerned in that there would be less lawn to mow :). With a mix, you'd also get flowering and berries, and in some cases fall color. You might look at the huge range of Viburnums--V. sargentii 'Susquehanna' is about 15x15 and deciduous. V. pragense and V. rhytidophyllum (several cultivars available) are evergreen down to minus 10 at least. Groupings of V. dilatatum (many cultivars available) are also good. (To get good fruit set from the viburnums, you must plant at least two different cultivars of each species.) There are lots of others as well.

Other shrubs include Magnolia stellata cultivars--very early, fragrant bloom and dense leaf cover-- and many gorgeous conifers with a range of colors from green to blue to yellow. Another tall, narrow conifer is Juniperus virginianus 'Taylor'--but it's hard to find and expensive.

Since you have so much room, don't skimp on the width of this border. If you plant a narrow plant near a wide one, you can "thicken" the border in width smaller shrubs to face down the narrow one.

If you spend the time to do this right, you'll have privacy, year round interest, low maintenance, and the value of your property would be increased.

For conifers, the conifer forum suggest coniferkingdom.com or westernevergreen.com. Klehm's Song Sparrow Farm offers some each year too.

One warning--don't make the border polka dot, though of course you can repeat certain shrubs.

Hope this helps.

I agree with lacyvail--a "mixed border/hedge" is what you need. Here is a link to a page I found that might be helpful:

http://extension.uga.edu/publications/detail.cfm?number=C999

I searched in Google for "privacy screen trees UGA" and this is one of several that came up.

I particularly like weeping Yaupon Holly.

The shrub row with a variety of plants is a great landscaping suggestion ( for the reasons given above) One day the camper will be gone and you will be stuck with the planting you chose to hide it. So take you time and plan well. When its time for you to move, you want plants that compliment your house.

With that said, plants grow at different rates. You must decide how fast you want to screen the bad view. Do you buy larger plants and screen now, or smaller and wait years. Would a fence be better for part of the screen ( combined with shrubs)

Also - plants do not stop growing when they get to the size listed on the tag.

It may not be a bad idea to work with someone that knows your area ( zone) what grows well in your soil (which makes a big difference) and what looks nice planted together. Garden centers may have someone that can design a workable plan, and give you a discount if you buy from them. Happy planting --- Garden Design Ideas

I may be the lone wolf in this regard, but disagree that a mixed border has nothing but advantages over a single species hedge. For one, it generally consumes more width. While adding variety, it will also look "busier". If too much, it could look messy and disheveled. Many plants go through a period when they are temporarily less attractive. Some or many evergreens are exempt from this condition. (Though by that I'm not saying only evergreens are useful for screening.) A single species might also be considered to have more visual "strength," making an artistic statement that is clean and simple. While it might be true that a considerable portion of "gardeners" might opt for mixed, it would likely also be true that most people developing LANDSCAPES would opt for single species borders, especially if space is a concern.

The weeping yaupon, while a great plant can get very wide. You might explore locally and see where people have solved the same problem and how they achieved it. It will give you an idea for what looks acceptable to you.

I personally wouldn't plant anything near a leach field or anywhere near a septic tank. Do you have any idea how expensive it is to repair it? or worse, to replace it? UGH.

Dont' use anything that has roots, think outside of the box. No trees or shrubs growing around your septic.

Does the neighbors camper really bother you that much? I don't think I would spend alot of time out front then, and save myself the trouble and aggravation of trying to fix my septic system in a few years.

Spend more time out back, and make privacy out there.

I had not tried to plant anything near my septic tank, but I like the idea of planting small shrubs to the yard.. Will look beautiful and grow fast.... also add value to the property..