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From: Santa Barbara, CA
Region: California
Topic: Privacy Screening, Trees
Title: Tall screening tree for Santa Barbara, California
Answered by: Nan Hampton
Since the mission of the Lady Bird Johnson Wildflower Center is "to increase the sustainable use and conservation of native wildflowers, plants and landscapes", we certainly wouldn't recommend an Australian Willow. We do, however, have some native possibilities for you.
The one that sounds ideal for your purpose is Prunus ilicifolia ssp. lyonii (Hollyleaf cherry). Here is more information about it that indicates it makes an excellent tall, dense screening plant and can be planted in close proximity to a building or other structure.
Another possibility is Lyonothamnus floribundus ssp. aspleniifolius (Fernleaf catalina ironwood) and here are photos and more information.
Here are a couple of pines that are possibilities:
Pinus muricata (Bishop pine) and here are more information and photos
Pinus torreyana (Torrey pine) and here is more information.
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