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Deciduous Trees. Even Pinnate Sunburst Honey Locust. Odd Pinnate Black Locust. Prickles-sharp projections derived from the outermost layer of the stem or leaf Rose. Thorn-a sharp pointed projection derived from a branch or stem Washington Hawthorn.
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Prickles-sharp projections derived from the outermost layer of the stem or leafRose
Thorn-a sharp pointed projection derived from a branch or stem Washington Hawthorn
Spine-a sharp projection derived from a leaf Ferrocactus Bull Thistle
California Most Widely Cultivated Urban Trees (in order of prevelance) • #1- Sweetgum • #2-Purple Leaf Plum • #3-London Plane Tree • #4-Southern Magnolia • #5-Bradford Pear • #6-Blue Gum (Evergreen)
California’s Most Widely Cultivated Urban Trees • #7-Mexican Fan Palm (Evergreen) • #8-Chinese Pistache • #9-Indian Laurel Fig (Evergreen) • #10-Brisbance Box (Evergreen) • #11-Chinese Elm (Evergreen or Deciduous)
Trees with Great Fall Color in California • Japanese Maple • Maidenhair Tree • Crape Myrtle • Sweetgum • Tulip Tree • White Mulberry • Chinese Pistache • Bradford Pear • Northern Red Oak • Chinese Tallow Tree • SawleafZelkova
Don’t Plant a Pest • Some of our garden plants don’t stay in the garden but “jump the fence” and invade natural areas • www.cal-ipc.org/landscaping/dpp/index.php • Black Locust • Chinese tallow tree
Black LocustRobiniapseduacacia • Widely distributed in northern California • Spreads by seeds and root sprouts. • Forms large dense stands. • Seeds, leaves and bark are toxic to humans and wildlife.
Chinese tallow treeTriadicasebifera • Produce a large number of seeds and new shoots can sprout from roots. • Seeds are dispersed by birds and in moving water where they can remain viable for several weeks. • Grows and spreads rapidly, pushing out native plants.