First -- What rose?

Jeri

Well, usually it is a good rule that no sun loving plant will grow well as far as the cherry crown extends to the sides. It depends though what exactly kind do you have, since some are smaller and some bigger. Also there are cherries that grow very narrow up (for example Amanogawa is very narrow, even when old).

Next to that, it depends how sun falls in your garden, since 30 feet tree can shade a lot. Also, does it serve some purpose (for example, to hide some hideous building of the neighbor, privacy, wind break, etc.) If you have most full sun garden, maybe you actually would like to have a sitting place under the shade somewhere, where the tree could be useful.

Generally though big tree like that is not always a good idea in a smaller garden, simply because it eats up a lot of space. I prefer decorative apple trees over the cherries, because they also have pretty apples in the autumn, when cherry does not have it, also often they are much smaller trees(not allways). Or fruit tress for that matter, because they bloom as nice as sakura, but in addition you get some tasty fruits.

Also,if you have a place for a tree on the North side, it might be an option to plant sakura there, since it will do as good over there, when roses and some other sun loving plants are a bit trickier to grow on the North side.

The cherry tree, sadly, I have no idea what variety it is. I'm really bummed about that actually. I asked the nursery specifically for a double pink sakura and what they planted was an UNLABLED white single sakura. It's very lovely, but not what I ordered. So I have no idea exactly what variety it is. I'm guessing it'll get about the size of most of the similar prunus varieties, but I just have NO idea. Supposedly they're going to give me a smaller pink sakura as a consolation... so I may have to leave room for that, too. (they still haven't called me back and it's been like a month. :( )

If it helps at all, this is what it looks like when it's blooming:
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The sun comes up over the hill you see behind the railed fence so shadows would fall (in the morning) from the tree forward and slightly to the left in that photo. At about 2 pm (in the spring) the stone wall to the right shades into my yard a bit shading those foxgloves in the far right of the photo. Does that make sense?

It might be an option to put the second pink sakura they are supposedly going to give me in the front yard, where the sun comes up over the house in the morning and the house shades that bit of the front yard most of the day. That might give it more protection from the wind and sun. I'm not sure that the roses I was planning to plant closer to the house will do well even though I chose more shade tolerant ones.

The roses don't plant in the back (ie if I can't because there's not enough room with the cherry tree,) I'll plant in the front in a sunny spot (where they wont be shaded by the house)... or I'll save them for a future arbor.

My options for planting slightly closer to the cherry tree are:

Mary Rose
Carding Mill
Grandmother's Hat (probably very large, would plant in the back, but not against the wall/fence)
Baronne Prevost (train as short climber against fence or wall?)
Alchymist (train on back or side fence??)
Mme. Berard - (train on back or side fence??)

Alchymist might be the ticket, as it can spread out to either side.
Mary Rose is quite compact, and I think would be eclipsed there.
Baronne Prevost, again, can spread out along the fence.
Ours gets ONLY morning sun, and does OK with that (tho it could bloom more).

Jeri

It's not so much the shade as that you want to be outside of the root system of the tree, both for the sake of the tree and the rose--since rose roots can't compete with tree roots--the tree will always win.

The main tree root system is roughly the same as the eventual width , so if the tree is going to get 20' wide, give it 10' of distance all around.

Another thing that will help is deep-watering the tree slowly and infrequently, so that it develops a deep root system instead of a shallow surface one. I see your tree is in a lawn, however. A tree in a lawn usually ends up with a shallow root system because of the frequency of lawn irrigation. Unfortunatly, I know this from direct experience.

I would say move the cherry to the front shady garden and hope they won't give you a new one unlabeled. ;) I have a similar headache in my back yard, where supposedly mini cherry in 2 years grew up to 10' - it is so moving out of its current place if it grows more than a feet this year.

Regarding roses though, I think for the next 3-5 years tree should not be a huge issue in any case and by then you might have a better idea what works better in your garden. You might want to plant some roses you are not entirely sure about around it - if they do well, you always can replant them to a better spot, and if they don't its not a big loss. At least that's how I would do it, but I tend to move plants around quite a bit in my garden.

hoov, does that depend on soil type as well? I have planted several roses by huge, established trees (that my great-grandfather planted!) so I excitedly started planting roses by small trees/large shrubs, too.

I've found that my tree-shrubs like to grow roots mainly straight down, into the clay. I might have just lucked out as to variety! Or either I'll be sad in a few years ;)

Cross your fingers, 'cos it's working so far :D In fact, the roses I choose tend to want to overtake the shrub so far in my experience. But none of the shrubs get as large as a cherry, so maybe that's a key thing?

aimeekitty, I think that size/shape tree sounds difficult unless it's already there so you can see how the shade does. You might research more upright trees just for the shade part of the equation alone.

Maybe you should try a Super Fairy pink rambler, since you didn't get the right cherry tree...then you'd have pink blossoms all summer :)

Here is a link that might be useful: Super Fairy

hoov, does that depend on soil type as well? I have planted several roses by huge, established trees (that my great-grandfather planted!) so I excitedly started planting roses by small trees/large shrubs, too.
I've found that my tree-shrubs like to grow roots mainly straight down, into the clay.

My guess it is also rainfall--in CA with zero rain from May to November, the sprinklers are going and going, typically creating surface roots. You get year-round rain there, and lots of it (compared to here where 15 inches per entire year is something to celebrate). Roots can go downwards better for you. And it's humid in your area, plants don't lose moisture so quickly as here. Here even in the rainy season, water doesn't penetrate that far--there isn't enough of it.

Of course there are exceptions. Some trees send roots straight down no matter what. Some are surface, no matter what.

I'm with lavenderlass - cherry+rambler sounds like a nice solution. :)