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Is Sacramento headed for an early spring?

Warm days and early blooms belie true weather conditions

Sacramento Digs Gardening
BY Debbie Arrington PUBLISHED JAN 26, 2024

These narcissus seem to be ready for spring, but we still have several weeks of winter ahead of us. Kathy Morrison

This weekend will feel almost balmy in Sacramento. According to the National Weather Service, we could hit 70 degrees on Sunday and Monday – 16 degrees above average for the last week in January.

While other parts of the country are still digging out from snow, are we headed for an early spring?

Anecdotally, several signs of impending change (and warmth) fill my garden. Japonica camellias and daffodils are starting to open – weeks ahead of their usual appearance. Rose bushes are pushing out new growth. Those bushes still waiting to be pruned are already blooming again.

But all this spring-like growth and weather could be just an illusion. We’re still in winter – and will be for several more weeks.

Although we can enjoy these few warm winter days, our highs will be back in the low 50s by next weekend. That return to “normal” temperatures will be accompanied by another storm system that’s currently charging across the Pacific Ocean. When, where and how much rain it will deliver are still to be determined.

“A wet system will likely bring widespread precipitation around the end of the month,” noted the weather service on Friday. This system has “potential for gusty winds, heavy rain and heavy high elevation snow.”

We’ve already had a wet January. According to the weather service, downtown Sacramento has recorded 3.11 inches so far this month (through Thursday); that tracks .15 inches above average through that date.

Daytime temperatures also have been on the warm side, with highs averaging 56.4 degrees – almost a full degree above normal.

Saturday represents another kind of weather benchmark. After decades of recommending a “last frost” date of mid March, most experts now cut off our frost period at the end of January. According to the Sacramento County master gardeners, our average last frost date is Jan. 27.

But still keep those frost cloths handy, just in case. In 2022, Sacramento hit 32 degrees on Feb. 24 and dipped down to 35 degrees on March 6. Our latest-ever freeze on record (30 degrees) hit March 27, 1898.

And wait to set out those spring seedlings until temperatures stabilize in late March – when it really is spring.

For weather updates: https://www.weather.gov/sto/.

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weather temperatures forecast false spring rainfall average last frost date bulbs freeze Sacramento gardening pruning spraying flowers seedlings

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Flowers in My Back Yard Series

May 12: Know your coreopsis from your bidens

May 5: Mums the word on Mother's Day weekend

April 28: Majestic Matilija poppy is worth a look

April 21: Celebrate roses, America's favorite flower

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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

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Feb. 10: Let's talk Valentine's Day roses

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Garden checklist for week of May 17

With an eye on warmer weather to come, continue to work on the summer vegetable garden:

* Remember to irrigate your tender transplants. The wind can quickly dry out young plants. Seedlings need consistent moisture. Deep watering will help build strong roots and healthy plants. Water early in the morning for best results.

* Plant, plant, plant! It’s prime planting season in the Sacramento area. Time to set out those tomato transplants along with peppers and eggplants. Pinch off any flowers on new transplants to make them concentrate on establishing roots instead of setting premature fruit.

* Direct-seed melons, cucumbers, summer squash, corn, radishes, pumpkins and annual herbs such as basil.

* Harvest lettuce, peas and green onions.

* In the flower garden, direct-seed sunflowers, cosmos, salvia, zinnias, marigolds, celosia and asters. (You also can transplant seedlings for many of the same flowers.)

* Plant dahlia tubers.

* Transplant petunias, marigolds and perennial flowers such as astilbe, calibrachoa, columbine, coneflowers, coreopsis, rudbeckia and verbena.

* Keep an eye out for slugs, snails, earwigs and aphids that want to dine on tender new growth.

* Feed summer bloomers with a balanced fertilizer.

* For continued bloom, cut off spent flowers on roses as well as other flowering plants.

* Put your veggie garden on a regular diet. Set up a monthly feeding program, and keep track on your calendar. Make sure to water your garden before applying any fertilizer to prevent “burning” your plants.

* As spring-flowering shrubs finish blooming, give them a little pruning to shape them, removing old and dead wood. Lightly trim azaleas, fuchsias and marguerites for bushier plants.

* Don’t forget to weed! Those invaders are growing fast.

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