But how do I stop them from doing so much damage to my garden?
Even squirrels get their day -- today, Jan. 21. This is a California ground squirrel. Courtesy UCANR Integrated Pest Management
As someone who has seven fruit trees and way too much unwanted harvesting by critters, here’s something I never thought possible. Today (Jan. 21) is National Squirrel Appreciation Day.
Sacramento seems overrun by squirrels; I know my backyard has been a happy habitat for generations.
So, why not learn to enjoy their antics instead of stress over the fruit theft and damage?
According to its organizers, “Squirrel Appreciation Day is marked on January 21 to celebrate the lively, intelligent, and endlessly entertaining small mammals that brighten parks, forests, and suburban yards across the globe. This cheerful observance honors the unique charm of squirrels, from their lightning-fast acrobatics and clever problem-solving to their industrious nut-gathering and bushy-tailed grace.”
Why salute squirrels? They’re not just tree-dwelling rodents with bushy tails and good p.r., say the squirrel supporters. “Created to raise gentle awareness about their ecological importance and to inspire greater fondness for these familiar yet often overlooked neighbors, the day invites people to pause, watch, and appreciate the small wonders these creatures bring to everyday life.”
This is the 25th anniversary of Squirrel Appreciation Day, which started in 2001. Christy Hargrove of Asheville, North Carolina, came up with the idea “as a lighthearted yet meaningful way to draw attention to these often under-appreciated animals and their valuable role in ecosystems,” she said.
Hargrove chose Jan. 21 because it’s in the dead of winter when tree squirrels are busy foraging – and can provide endless entertainment to humans stuck inside and watching. (Dogs will be watching, too.)
Late January also is when Northern California squirrels come out of hibernation – if they ever did stop their busy work.
In the wild, squirrels are a vital part of ecology. Their habit of burying acorns, seeds and nuts makes them responsible for planting countless oaks and other important trees and shrubs. They also are a food source for birds of prey and larger mammals such as foxes.
More than 200 species of squirrels have been identified around the globe. For Sacramento gardeners, the most common is the California ground squirrel, which burrows underground. They live in large colonies – often more than two dozen members – and damage a wide variety of crops. Although they may be “ground” squirrels, they spend a lot of time in trees, clamoring after fruit and another things they can eat. They gnaw on bark and can girdle a tree, killing it.
Ground squirrels also can damage roots with their burrowing and often chew up irrigation drip lines, looking for water.
The best way to tackle ground squirrels? Monitor their behavior and be consistent. Start by attacking their habitat.
“Ground squirrels often burrow beneath long-standing piles of prunings, wood, or rock, or use them as harborage,” say the master gardeners. “Removing such piles may make the area somewhat less desirable to them, but the base of trees, fence lines, and ditch banks still offer burrowing sites. Peripheral cleanup may somewhat reduce the potential for ground squirrels.
“In addition, it makes burrow detection and monitoring easier and improves access to burrows during control operations. Ground squirrels are extremely adaptable so habitat modification has limited benefit in a management program. Squirrels may quickly reinvade abandoned burrow systems. Deep plowing (ripping) along field perimeters will destroy burrow entrances and will help slow the rate of invasion. Burrow fumigants, toxic baits, and traps currently are the most effective control methods.”
Trapping can be effective, but is best when numbers are low.
Here’s more detailed advice from UC master gardeners on ground squirrel control: https://ipm.ucanr.edu/agriculture/citrus/california-ground-squirrels/#gsc.tab=0
As for tree squirrels, the Sacramento Valley has three common species: Native western gray squirrels, Eastern gray squirrels and Eastern fox squirrels. Our native western gray squirrels have bushy gray tails and a white chest. The easterners were interlopers, introduced originally for hunters.
The Eastern gray squirrel has a reddish tinge to its coat and tail. The Eastern fox squirrel has a lot of orange in its coat (especially around its ears) and a kind of foxy appearance.
Native tree squirrels are protected wildlife; you need a hunting license to kill them. (Among our tree squirrels, only the Eastern fox squirrel is fair game.) So poison baits and other remedies are not allowed.
Can you outfox a fox squirrel (or a native gray)? Yes and no. On ground or in trees, squirrels are opportunistic. They go after the easy pickings – until no more are left. Then they move on.
The easiest solution to squirrel problems? Get a dog – or cat. Squirrels see these domestic animals as possible predators; they’ll pick on somebody else’s garden.
In the meantime, appreciate squirrels’ playfulness and silly antics as they try to get that last apple off the tree or solve a “squirrel-proof” bird feeder. They are pretty fun to watch – even if they are a pest.
For more on tree squirrels: https://ipm.ucanr.edu/legacy_assets/PDF/PUBS/greenbulletin.2015.may.pdf
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Flowers in My Back Yard Series
April 7: Calendulas do double duty
April 3: Make Easter lilies last for years to come
March 31: In praise of a pollinator magnet (small-leaf salvias)
March 24: Azaleas brighten shady spots
March 17: The perfect flower for beginners? Try zonal geraniums
March 10: Keep camellias happy for years to come
March 3: Fruit tree blossoms are a fleeting joy
Feb. 27: Are your roses looking rusty?
Feb. 24: Treasure spring daffodils now and for years to come
Feb. 17: How and why to grow wildflowers
Feb. 10: Let's talk Valentine's Day roses
Feb. 3: Why grow flowers?
Sites We Like
Garden checklist for week of April 12
After these storms pass, get to work on spring clean-up.
* Weed, weed, weed! Take advantage of soft soil and pull them before they go to seed.
* From seed, plant beans, beets, cantaloupes, carrots, corn, cucumbers, melons, pumpkins, radishes and squash.
* 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 heat-resistant lettuce seedlings.
* Feed roses and other spring-blooming shrubs.
* 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? Feed citrus trees with a low dose of balanced fertilizer (such as 10-10-10) during bloom to help set fruit. Keep an eye out for ants.
* Apply slow-release fertilizer to the lawn.
* Thoroughly clean debris from the bottom of outdoor ponds or fountains.
* 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.
* Mulch around plants to conserve moisture and control weeds. Avoid "volcano mulching" -- be sure to keep mulch a few inches away from tree trunks or the stems of shrubs. This prevents rot and disease.
Contact Us
Send us a gardening question, a post suggestion or information about an upcoming event. sacdigsgardening@gmail.com
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
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
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