The myrica is a decent sized shrub - can produce a 10-12' spread so will become a huge chore to keep pruned to a 2' width. And I'm not at all sure will look very attractive pruned that severely. Same with the privet - not as wide as the wax myrtle for sure but too wide for the space available without very frequent trimming to keep the walkway walkable. This is a situation that cries out for bamboo - evergreen, fast growing with a range of available heights and able to maintain a very narrow profile. Depending on the specifics of the planting conditions you might not be very limited to species but any of the clumping bamboos will work beautifully and without problems. btw, your local nurseries are feeding you a line. No shrub will grow as fast as they describe immediately after planting, ideal SoCal climate or not. They need time to establish and develop a root system and that doesn't happen immediately. You could expect 3' tall shrubs to hit 6-7 feet in a couple of years, not a couple of months.

sng: I like the way you research. Do a copy and paste for -- Callistemon phoeniceus -- and you will find considerable info on the web via Google. I have a feeling you've misspelled it somehow. It's a shrub to about ten to fifteen feet, easily trained into a "standard" or multi-trunked "tree". "Escallonia x exoniensis ÂBalfouriÂ, E. laevis, E. rubra ESCALLONIA We excluded Escallonia for making the following assumptions:" Your assumptions are inaccurate. The common Escallonias are almost always trimmed into tight hedgelike masses; hence making it hard to see the potential as a small tree. Along the coast, especially, the listed ones (not so common) make great multi-trunk small trees. -Melaleuca armillaris BRACELET MYRTLE -Melaleuca ericifolia HEATH MELALEUCA "I have probably seen these plants somewhere but do not remember if they are dense enough for our purpose. I will try finding them in our neighborhood and do more research." Although these species have fine-textured foliage, they do grow into densely-foliaged small trees. I'm attaching a photo of one (they look alike). -Metrosideros collinus ÂSpringfire NEW ZEALAND CHRISTMAS TREE "I always liked this tree but never knew the name. The street I take every day to work is dressed with this tree on both sides and they are quite tall, probably 20-30 feet (may be M. excelsus?)." The "trees" you see are M. excelsus and they get bigger than 30 feet. M. collinus is smaller. And conseuqently slower growing. -Pittosporum crassifolium KARO "I see this planted practically everywhere I go. (Maybe because I live near ocean and work near SF bay?) SF Botanical Garden uses it to screen chain link fences and it does the job so well. I really love the slivery blue green foliage of this plant that goes beautifully with the deep maroon color of its flower. Urban Forest Ecosystems Institute marked all PittosporumÂs health hazard as allergy, except for P. tenuifolium that was marked as unknown. I had no way of telling likelihood of causing allergy but did not want to take any risk so dropped all Pittosporum from my list except for P. tenuifolium. But now I have a further reference on this so I will definitely reconsider P. crassifolium. Thank you again." There are over 160 species of Pittosporum. I doubt that all of them are allergenic. The two most common ones (P. undulatum and P. tobira) are highly fragrant and, because of that, highly allergenic to many people. P. crassifolium is not significantly fragrant (as with P. ten.). Joe Here is a link that might be useful: Melaleuca ericifolia

Since Ian Barclay occasionally reads/posts to this forum and runs a nursery in WA that specializes in water-wise gardening in the PNW, I think that his perspective is important. He sells Ribes speciosum (http://desertnorthwest.com/catalog/plants_western.html), and here is his take: "Hardy to about 10 F" "It is one of the few drought-deciduous shrubs we can grow in the Northwest." "Although native to central California, IT DOES FINE IN MILDER NORTHWEST GARDENS, occasional leaf drop notwithstanding." (my emphasis) If you have a problem with me SUGGESTING Ribes speciosum for a relatively mild climate like Portland, I can't image what you think of Ian for SELLING the plant to PNW customers. Be sure to express your displeasure the next time that he posts here.

Pacific wax myrtle is locally native. You should have no problems with either cold or drought. Yes, Tacoma is colder in winter than Seattle, but that's not saying much, is it. Wax myrtle grows wild in the Aberdeen/Hoquiam/Westport/Long Beach areas and they're all colder than Seattle. They get more rain too, but still get none in summer, and it grows in sandy and rocky soils that do not hold water anyway. Pacific wax myrtle makes a great low maintenance hedge. I am always highly in favor of replacing Photinia because of its disease issues with our wet climate. Won't be a problem with wax myrtle. Ceanothus are too wide growing for your hedge. Oregon grape, Mahonia aquifolium, is another native evergreen shrub to consider, but it doesn't normally grow in quite so much sun, and only about 4-6ft tall. I do see it planted in full sun but it's not its preference. Plus, it's very expensive and slow growing, but it does bloom in March, and people won't push through it because it's so prickly. Incense cedar is a tree. You don't want a tree. You could not keep it trimmed to a hedge. There are also hollies and yews that might do what you want. I see Yew HM Eddie planted as a hedge, but I think it's slow growing and I don't know how tall it's supposed to get, probably not 12ft. I've seen hedges of small-leafed hollies but I don't know what species or cultivars they are - I. meservae maybe, or Blue Boy and Blue Girl. Then there's Portuguese laurel, one of my favorites. Evergreen, wants to be a tree but lots of people keep it trimmed as a hedge. Smaller leaved and less of a monster than its cousin the English laurel, which you do NOT want. I like the purple-red stems of the Port. laurel, contrasting with the very dark green leaves. Full sun, no irrigation. And strawberry bush, Arbutus unedo and Arbutus 'Marina'. Very pretty, cousins of the native madrone, but more hedge like. A. unedo has white flowers in fall and red fruits in spring if winter was kind to the flowers. Red bark, small dark evergreen leaves. A. 'Marina' is more tree like, I don't know about keeping it as a hedge, but it's very pretty and does not get any of the leaf spots that plague both A. unedo and the madrone, although you should have no disease problems with the A. unedo in full sun with no overhead watering. I see hedges of A. unedo all over the place. I had an A. unedo 'Compacta' that got to be easily 6ft tall and wide. I pruned it once a year to keep it in its place. Full sun, no irrigation. Oh, it takes years and years to keep all the plants straight! and there's new ones every year, too. No one ever knows them all, that's why there's so many reference books. People will specialize in one group or another, like Conifers or Natives or Australian plants or Perennials.