I have three of the ones on your list. Crocus Rose does quite well for me and is one of my best Austins once it got going. It is also a very large plant and would probably be too large for a pot. Windermere also gets tall, but not as much as Crocus Rose. Its flowers don't last very long for some reason. I would consider it iffy for a pot. Glamis Castle is a smaller plant by nature and would be well suited for a container. I have grown It in a container without any big problem. It reblooms okay here, nothing spectacular, but I think it might do better in a nicer climate.

Many seem to abhor the fragrance of Glamis Castle, fortunately, the one I had did not emit any fragrance that I could detect. This rose remained on the smaller side for an Austin in a warm climate. It had a decent repeat, was fairly floriferous and especially heat tolerant.

Lynn

I had Glamis Castle and mine did smell, and not in a good way. I truly hated its thorns and unlovely growth but let me say it was not planted in a good place or given good soil and enough water. I can easily see it in a pot since it isn't that large and doesn't have octopus arms.

Dandylioness,

The Glamis Castles I had received southern exposure sun and thrived.

Lynn

GC gets a lot of black spot here, where black spot is rare.

Windermere is an extremely rapid rebloomer, with a delicious fragrance very similar to 'Jude The Obscure'. It's a tall grower. Ivory or buff rather than white. The flowers are very short-lived. The fragrance rather outweighs the ephemeral life of the flowers--it's so intoxicating.

The only white Austin lists under the heading "containers" on its website is Winchester Cathedral. Nice pic of it growing in a container there also. I don't know anything about WC, but you might check it out.

I have Lichfield Angel that starts out creamy and sometimes a little peach and fades to white. It has a beautiful bloom and really blooms a lot here despite what I had heard from others that it wouldn't be a good bloomer. I am in a hot humid climate though so it might be different in a drier climate. It has turned out to one of my favorite Austins so far. I have little green tree frogs that love this rose because, for some reason, it attracts a lot of insects. So the little frogs hide inside the rose and as soon as that rose is spent and the petals fall off and the next blooms open, they hop on over to the next open blossom and so on lol.

Here is a video I found on You tube that shows how they look. https://www.youtube.com/watch?v=oPuR9M-B8ZI

We also live in USDA zone 9/SSZ14 and grow a good number of the white/cream Austin roses that are all planted in one bed:

-Glamis Castle: mannerly plant here; thorny; very fast repeat, pure white but sometimes is blush pink in cooler weather; around 4' x 4' here so far. Repeats quickly but mildews in the fall. My wife and I both like the strong myrrh fragrance.

-Windermere: mannerly plant here, 4' x 4 feet so far; repeats fairly quickly; appealing parchment white flowers.

-Litchfield Angel: still establishing itself, going through an "octopus arms" phase now; creamy white flowers; average repeat.

-Claire Austin: larger plant that the others, up to 6 ' x 4 ' so far; white flowers that are slightly yellow at the center when flowers are opening. myrrh fragrance; average repeat.

-Tranquillity: another larger plant we think will be in the 6' x 4 ' range; white flowers with pale centers when flowers are young.

In addition to these, we also grow Crocus rose in a different bed. This rose can be up to 7' x 7 ', a very vigorous plant.

We also grow Bolero, which is not an Austin rose but has flowers similar to the Austin roses. It has very good disease resistance, an excellent growth habit and is a fast repeater. It has dark green shiny foliage that is very attractive with the white flowers.

If you insisted on selecting an Austin rose to grow in a pot, my recommendation from the above would be Windermere. If you are willing to consider a non-Austin rose, then I would pick Bolero (the floribunda introduced by Meilland in 2004).

John

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I too would recommend Bolero over Glamis Castle. I no longer grow thorny Glamis Castle but have multiples of Bolero.

Bolero

Lynn

As Kate mentioned, the only white/cream DA they recommend for a pot is Winchester Cathedral. I have it and I love it very much, it has a beautiful form. it mildews here though, but my climate is very different to yours. I would have more if I had the room.

I haven't grown it, but one I've considered trying is Susan Williams-Ellis, the white sport of The Mayflower. The David Austin U.S. site sells it both grafted and own root.

Fair Bianca is another of his whites, hard to grow from what I've read, but probably best in a pot for that reason.

Ducher is great, although an everblooming China.

I do not grow Windermere, but Mary Rose, of which Winchester Cathedral is a sport, will likely become large and thus causes concern regarding Winchester Cathedral. I purchased Mary Rose in January, planted it during May, it is already about 5' x 4', and that is after a summer haircut. If Winchester Cathedral is anything like Mary Rose, it has the potential of becoming something I would not grow in a pot. Maybe someone who grows Winchester Cathedral in a warm climate can provide information regarding the mature size. D.A.'s estimates and some suggestions are rarely "spot - on" for many of the warmer climate areas of the U.S.

Lynn

Has anyone tried the newer one, Tranquillity, yet? How does it do? I've been thinking about getting that one because I know it's available here.

We planted Tranquillity in our garden in Spring 2014. It is a large, vigorous plant with bright green foliage; based on the performance of a number of other Austin roses we grow, I expect that this rose may reach 6 ft high x 4 feet across in our area. The flowers are in the 3.5-4.5 range. After it flowers, we cut off quite a bit of cane, as we are trying to train it to develop more branches. The fragrance is not as strong as many of the other Austins, but still pleasant.

We also planted a rose from Heirloom Roses called 'Tranquility' (one 'l' vs. two 'l's'.) at the same time as 'Tranquillity'. This rose has white flowers that can range from a pale yellow to a blush pink.. It grows around 4.5 ft tall x 3 ft wide so far. This rose has a stronger fragrance than 'Tranquillity' that is in the myrrh category, which some people dislike.

We are happy with both of these roses so far.

There is another Austin, released this year, which might be suitable for you. It's called 'Desdemona' - here's a link to it on the David Austin UK site - one of the photos shows it growing in a pot. The UK site suggests the size as 4 feet by 3 feet but, given that you're in USDA 9 I think it might be bigger than that ...

Desdemona - White David Austin rose