An easy climbing rose is climbing Iceberg (there is also a shrub form, so make sure you get the climbing one). It is very pliable and has few thorns. The blooms are white and make a striking show up against a house. It has a mild scent. I have it and it is blooming right now in this heat.

If you go to the rose forum, they can give you lots of more suggestions.

Mme Alfred Carriere is a wonderful old climber, ever blooming (and incredibly prolific), creamy white and very feragrant. She loves this weather, and really needs no maintenance unless you want to cut her back if she gets too exuberant. I highly recommend her. She will overwhelm you with her blooms - I find Iceberg doesn't bloom anywhere near as much.

A friend has Westerland growing beside his deck. In the second picture the ladder is taller than six feet so you can guess how tall it gets. It blooms a bunch, is very fragrant, and is relatively disease free.

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I never grew roses or were very interested in them until recently. I'm no expert but I remember my mother had a beautiful old yellow variety that had VERY prolific blooms. A climber called "Golden Showers" I think. She never sprayed her roses and that thing stretched all the way down the length of a long fence and looked healthy all the time. Big beautiful yellow blooms.

Squirrellypete

What about Don Juan? How does that do?
I'm thinking of doing climbing roses in containers. How practical is that?

I have both Don Juan and Golden Showers. The Don Juan is by far the stronger of the 2. My Golden Showers is a Japanese beetle magnet plus it gets black spot. Don Juan is quite a vigorous grower so it might not be the best choice if you want a 10-15' rose.
I have never grown roses in a pot but it sounds like they would require more attention that way.

I second ilikemud, I like my Golden Showers, but it is a JB magnet and gets BS, but I've defeated that with spray and systematics.

Don Juan doesn't get that big, at least mine has not yet. It has beautiful velvety flowers that have a strong scent. In cooler zones it can be kept to shrub size, but in zone 7 it will cover a fence or trellis.

I don't think climbers will do well in pots. Most tend to get quite large at the base and need a lot of support (to hold those 14 ft canes!). A better bet for containers are rose trees, which are roses grafted onto a trunk. That way you can achieve the height effect and still have the mobility of a potted plant. Just remember that roses need a lot of feeding to bloom and potted roses more so because the fertilizer tends to leech out.

new dawn is growing good for me but it is pretty aggressive now in year 3...needs heavy support...but best part is it doesn't need chemicals

Your rose will need to be tied on to the trellis periodically so flexibility of the canes and number and size of prickles, would definitely be a consideration. Also be sure your trellis can handle the weight of the mature plant. Opal Brunner,Renae and Climbing Pinkie are moderate size climbers with flexible canes, good disease resistance and thornless. Red Cascade is a climbing mini that I've found easy to train. Aloha and Blossomtime are stiff, fairly upright plants that are somewhat self supporting, both are smaller descendents of New Dawn but are smaller (warning New Dawn and her children that I've experienced are quite thorny.)

Don't be afraid of roses. It's a matter of choosing the right roses for your area and then planting them in the appropriate spot for the individual rose's growth habit.

Lisa