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Take a tour of UC Davis trees

Just in time for fall color, new self-guided tour teaches about varieties on campus

Chinese pistache trees are putting on a show this fall. See many varieties of trees in full color on the walking tour of the UC Davis campus, including the Arboretum and Public Garden.

Chinese pistache trees are putting on a show this fall. See many varieties of trees in full color on the walking tour of the UC Davis campus, including the Arboretum and Public Garden.

Kathy Morrison

Have you noticed? We’re having a spectacular tree season!

This month, maples, pistaches, ginkgos and other deciduous trees are putting on a colorful show with rich reds, golds and oranges.

Before those leaves are gone, check out the gorgeous trees at the UC Davis Arboretum with the help of a new self-guided tour of campus trees.

“This tour moves you through a 1.5-mile loop on the UC Davis campus while teaching you about both common and unique tree species,” says the arboretum staff. “It’s perfect for navigating in-person from your smartphone!”

You also can check it out on your laptop computer or tablet. Find the links here: https://storymaps.arcgis.com/stories/ed81abebde784d2f824268402fb3ed1b

The tour and virtual resources were created by students participating in the arboretum’s Learning by Leading Tree Stewardship program. Among the thousands of trees on campus, 21 specimens are highlighted on the self-guided tour.

For visitors to the arboretum, parking on campus is free on holidays and weekends.

Besides the tour, the students also came up with several other tree-friendly resources including webpages on the benefits of trees in a suburban environment, the effects of climate change on our trees and forests, and details on a Campus and Community Action Plan with ways students and residents can support their tree canopy.

More details and links: https://arboretum.ucdavis.edu/trees.

-- Debbie Arrington

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Dig In: Garden checklist for week of Nov. 27

Before the rain comes later in the week, take advantage of sunny, calm days:

* This may be your last chance this season for the first application of copper fungicide spray to peach and nectarine trees. Leaf curl, which shows up in the spring, is caused by a fungus that winters as spores on the limbs and around the tree in fallen leaves. Sprays are most effective now, but they need a few days of dry weather after application to really “stick.” If you haven’t yet, spray now.

* Rake and compost leaves, but dispose of any diseased plant material. For example, if peach and nectarine trees showed signs of leaf curl this year, clean up under trees and dispose of those leaves instead of composting.

* Make sure storm drains are clear of any debris.

* Give your azaleas, gardenias and camellias a boost with chelated iron.

* Trim chrysanthemums to 6 to 8 inches above the ground after they’re done blooming. Keep potted mums in their containers until next spring. Then, they can be planted in the ground, if desired, or repotted.

* Prune non-flowering trees and shrubs while dormant.

* Plant bulbs for spring bloom. Don’t forget the tulips chilling in the refrigerator. Other suggestions: daffodils, crocuses, hyacinths, anemones and scillas.

* Seed wildflowers including California poppies.

* Also from seed, plant sweet pea, sweet alyssum, bachelor buttons and other spring flowers.

* Plant most trees and shrubs. This gives them plenty of time for root development before spring growth. They also benefit from winter rains.

* Set out cool-weather annuals such as pansies and snapdragons.

* Lettuce, cabbage, broccoli and cool-season greens can be planted now.

* Plant garlic and onions.

* If you decide to use a living Christmas tree this year, keep it outside in a sunny location until Christmas week. This reduces stress on the young tree.

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