Whoa! That's kind of what I was thinking, but I think when i googled it the leaves looked alternate on the one picture I found. The fall color looks pretty good. Any idea if they come true from their parent plants if they are cultivars? My neighbors have a few and they are pink, and my other neighbor has some, but they are a brighter red. I'll take another pic so everyone is sure.

I've always been told that trees get their nutrients from the soil, so if the soil around the trees has been fertilized and/or composted that should do. BTW, I fertilized a little to close to a couple of my younger trees last fall and wound up with them growing too fast and some of the limbs were hanging down to the ground, so you have to be careful in that regard also. As to shrubs, I'll let someone else speak to that, but it probably depends on the shrub and time of year.

Common snowberry would probably grow, provide winter color. Your conifers are likely to be mostly Douglas firs. Salal, Oregon grape, evergreen huckleberry and ocean spray are typical associates on sites tending towards dry. Ceanothus (C. velutinus) and manzanita are found on the hottest, most exposed and/or sandy sites here. Columbia manzanita is so prone to spotting and blackening of the foliage that it is not really a satisfactory ornamental on the whole. There ARE some old ones in local gardens here and there, on rockeries and in other exposed positions. Often when examined up close the foliage is infested. Indian plum is characteristic of floodplains and other places where soils become damp in winter. Red elderberry also prefers it moist and fertile, the lush look of many deciduous trees and shrubs and woodland wildflowers hints at what they want. All occur on sites less than perfect in nature, and can be readily coaxed into growing in gardens made not on sites they would be found on spontaneously using simple tricks like watering a little in summer or planting against a south-facing wall. Going on walks and looking at nearby undeveloped lots, uncleared portions of city parks and other places where there is still natural vegetation and noting what grows where could be highly instructive. Keep soil fertility and moisture regimes in mind, as well as light exposure. You can actually analyze a site using the native plants that are growing on it.

This is still early for plants that are not dormant. A plant bought from a local retailer that is not shipped in from a greenhouse might be ok. Anything with leaves or new growth is still at risk.