If they still have leaves (?) then water whenever they are dry, which might be not at all at this time of year but maybe every week or two. Make sure you don't drown them though, the Forsythia and Euonymus won't take kindly to that. The Itea you probably can't overwater. Without leaves you should only need to water if the soil is completely dry down to the rootball.

Thanks for your help!

After the shrubs become well-established you won't need to water. The very best timing however is to keep the soil moist up until a few days of knowing when first ground freeze is supposed to occur, and then if the weather were to loosen up, continue doing such until permante freeze occurs. ...For any plant, I'd do this for up until or past it's first two years, especially woody plants. Then again my mother always told me that a good gardener is one that waters. And it's true of course.

Dax

i would be hesitant to add too much water... they are in slow motion .. and don't need all that much water ... plus with the lower temps.... it just isn't evaporating all that fast ...

your plants should be well established by now.. and should probably only need supplemental water in the most extreme of circ's ....

i would be more fearful of a late drenching and an extreme freeze to soon thereafter ... roots need air.. and will not do all that well in the middle of an ice rink or ice cube ....

one of my best caveats for gardening .. is that we kill more stuff with too much love, rather than benign neglect ... don't over-think it all ...

and put away the hose ...

good luck

and happy new year to you also.. ken