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Help add trees to UC Davis campus canopy

Three events scheduled to help boost campus landscape

Volunteers will plant trees on the UC Davis campus on three dates this winter.

Volunteers will plant trees on the UC Davis campus on three dates this winter. Courtesy UC Davis Arboretum and Public Garden

Looking for ways to plant positivity in our communities? Here's a great opportunity: Volunteer to help plant trees on the UC Davis campus.

In the vicious storms that hit the region in late 2022 and early 2023, UC Davis lost at least 75 mature trees to the winds and soggy ground.

And, according to the UCD Living Landscape Adaptation Plan, about half the campus's 26,000-plus trees may become vulnerable to climate change and unsuitable for the region by the end of the century. So the effort to retain the university's beautiful, healthy landscape is ongoing.

As part of the program, the Learning by Leading™ Urban Tree Stewardship team is heading up three days of volunteer tree planting, starting this Saturday, Jan. 25. This particular day already has reached capacity for volunteers, but two more days are scheduled: Feb. 8 and March 1. Registration is required.

The Feb. 8 event information and sign-up link is here. Hours will be 9:30 a.m. to noon; planting will be near Meyer Hall. Volunteers are encouraged to wear sturdy shoes, a hat and clothes that they don't mind getting dirty. They also should bring a water bottle. Parking on campus is free on the weekends.

The March 1 event will include the same hours; planting will be near Lake Spafford in the UC Davis Arboretum.

Incidentally, the arboretum has several events on the spring calendar of interest to gardeners:

-- UC Davis Biodiversity Day, 9 a.m. to 4 p.m. Saturday, Feb. 8. The Arboretum and Public Garden is one of 11 campus collections participating in this free educational (and family-friendly) event. The outdoor activities and tours begin at noon. More information here.

-- The Walk With Warren series resumes Wednesday, Feb. 19, as Warren Roberts, superintendent emeritus of the arboretum, shares fascinating information about the plants during a midday stroll. Noon to 1 p.m. Additional walks planned on March 19 and May 21.

-- The popular UC Davis Arboretum Plant Sales return March 8, with others scheduled April 6, April 26 and May 10. Join Friends of the Arboretum now and be ready when details are released. Event details will be posted here when released. 

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Garden checklist for week of April 19

After this midweek storm, start getting serious about spring gardening. Flowers are blooming about three weeks ahead of schedule. That includes weeds!

* Get ready to swing into action in the vegetable garden – if you haven’t already. As nights warm up over 50 degrees, set out tomato, pepper and eggplant transplants.

* From seed, plant beans, beets, cantaloupes, carrots, corn, cucumbers, melons,  radishes and squash; wait on pumpkins until May. Plant onion sets.

* In the flower garden, plant seeds for asters, cosmos, celosia, marigolds, salvia, sunflowers and zinnias. Transplant petunias, zinnias, geraniums and other summer bloomers.

* Plant perennials and dahlia tubers for summer bloom. Late April is about the last chance to plant summer bulbs, such as gladiolus and tuberous begonias.

* Transplant lettuce and cabbage seedlings.

* April is the last chance to plant citrus trees such as dwarf orange, lemon and kumquat. These trees also look good in landscaping and provide fresh fruit in winter.

* Smell orange blossoms? Give citrus trees a low dose of balanced fertilizer (such as 10-10-10) during bloom to help set fruit. Keep an eye out for ants. If leaves look yellow, your tree may need an iron boost -- apply some chelated iron fertilizer.

* Apply slow-release fertilizer to the lawn.

* Thoroughly clean debris from the bottom of outdoor ponds or fountains.

* Spring brings a flush of rapid growth, and that means your garden needs nutrition. Give shrubs and trees a slow-release fertilizer. Mulch with a 1-inch layer of compost, which helps the soil, but keep it a few inches away from trunks and stems.

* Azaleas and camellias looking a little yellow? If leaves are turning yellow between the veins, give them a boost with chelated iron.

* Trim dead flowers but not leaves from spring-flowering bulbs such as daffodils and tulips. Those leaves gather energy to create next year's flowers. Also, give the bulbs a fertilizer boost after bloom.

* Pinch chrysanthemums back to 12 inches for fall flowers. Cut old stems to the ground.

* Mulch around plants to conserve moisture and control weeds.

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Food in My Back Yard (FIMBY) Series

Lessons learned during a year of edible gardening

WINTER

Is edible gardening possible indoors?

Hints for choosing tomato seeds

Starting in seed starting

Why winter is the perfect time to plant fruit trees

When to plant? Consider staggering your transplants

How to squeeze more food into less space

Potatoes from the garden

Plant a fruit tree now -- for later

Win the weed war by tackling them in winter

Tips for planting bare-root trees, shrubs and vegetables

Time to give vegetable seedlings some more space

Ways to win the fight against weeds

FALL

Dec. 16: Add asparagus to your edible garden

Dec. 9: Soggy soil and what to do about it

Dec. 2: Plant artichokes now; enjoy for years to come

Nov. 25: It's late November, and your peach tree needs spraying

Nov. 18: What to do with all those fallen leaves?

Nov. 11: Prepare now for colder weather in the edible garden

Nov. 4: Plant a pea patch for you and your garden

Oct. 27: As citrus season begins, advice for backyard growers

Oct. 20: Change is in the autumn air 

Oct. 13: We don't talk (enough) about beets

Oct. 6: Fava beans do double duty

Sept. 30: Seeds or transplants for cool-season veggies?

Sept. 23: How to prolong the fall tomato harvest 

SUMMER

Sept. 16: Time to shut it down? 

Sept. 9: How to get the most out of your pumpkin patch

Sept. 2: Summer-to-fall transition time for evaluation, planning

Aug. 26: To pick or not to pick those tomatoes?

Aug. 19: Put worms to work for you

Aug. 12: Grow food while saving water

Aug. 5: Enhance your food with edible flowers

July 29: Why won't my tomatoes turn red?

July 22: A squash plant has mosaic virus, and it's not pretty

July 15: Does this plant need water?

July 8: Tear out that sad plant or baby it? Midsummer decisions

July 1: How to grow summer salad greens

June 24:  Weird stuff that's perfectly normal

SPRING

June 17: Help pollinators help your garden

June 10: Battling early-season tomato pests

June 3: Make your own compost

May 27: Where are the bees when you need them?

May 20: How to help tomatoes thrive on hot days

May 13: Your plants can tell you more than any calendar can

May 6: Maintain soil moisture with mulch for garden success

April 29: What's (already) wrong with my tomato plants?

April 22: Should you stock up on fertilizer? (Yes!)

April 15: Grow culinary herbs in containers

April 8: When to plant summer vegetables

April 1: Don't be fooled by these garden myths

March 25: Fertilizer tips: How to 'feed' your vegetables for healthy growth