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Coping with fire, rain and sudden 'downburst'

Wild weather and wildfire hit NorCal; what gardeners should know

A large Modesto ash tree lies in the front yard of a house on Crestview Avenue in Carmichael. The wind downburst that hit the area Tuesday morning came in hard from the east, felling trees westward.

A large Modesto ash tree lies in the front yard of a house on Crestview Avenue in Carmichael. The wind downburst that hit the area Tuesday morning came in hard from the east, felling trees westward. Courtesy Richard Hellesen

A description of this week’s weather sounds like a chorus out of a James Taylor ballad:

“I've seen fire and I've seen rain. I've seen sunny days that I thought would never end.”

What’s a gardener to do?

Dry lightning – thousands of strikes in just 24 hours – sparked wildfires in the Sierra foothills, burning more than 13,000 acres and counting. Those flames have brought thick haze to Sacramento and the Central Valley, graying the skies with smoke.

Wildfire has become all too common for late summer in the Sacramento area. But this week, we got rain and wind to go with the fire and smoke.

On Tuesday morning, violent weather hit upper Carmichael with force. A sudden “downburst” smacked parts of Sacramento County with torrential rain and high winds that knocked down dozens of trees and broke branches off many others. At first glance, it looked like a tornado had plowed along Manzanita Avenue – except all the downed trees fell in the same direction.

After the fast-moving storm moved on to the Sierra, triple-digit heat returned to remind us – it’s still summer (and very sunny). The rain that fell Tuesday dried in a flash.

This extreme weather affects plants as well as people. Although September in Sacramento averages about a half inch of rain, Tuesday’s intense thunderstorm was a rarity. Toppled trees are much more likely right after New Year’s Day, not Labor Day.

But our urban forest has coped with years of drought stress; those downed trees are more proof of their continued struggles.

The good news: The heat is starting to subside. According to the National Weather Service, temperatures are already starting to come down. The forecast for this coming Saturday in Sacramento is 86 degrees – average for September.

Part of the comedown in temperatures is due to all that haze; the smoke is lowering temperatures. But smoke has its own garden side effects. Poor air quality makes it difficult to breathe. (To check your local air quality, go to: http://airnow.gov .)

Temperatures may be lower, but the air and fuel (dry grasses and brush) are still extremely dry. All it takes is a spark. A metal blade of a lawnmower or trimmer against a rock can ignite dry grass. A vehicle parked on dry grass or weeds can start a fire, too. So can a chain dragging from the back of a trailer. Use extra caution.

As for the hazy skies, tomatoes, peppers and other ripening vegetables could be dusted with fine particulate matter. Make sure to wash anything you harvest before eating. (No backyard cherry tomato-munching right off the vine.)

Spider mites love these dry, hazy, dusty conditions. Take out the hose and give your tomato vines and rose bushes a morning shower; that will knock mites off and refresh plants.

So far, there hasn’t been enough smoke in our area to worry about smoke taint, the absorption of smoke flavors through the skin of ripening fruit. But that could be an issue for grape and fruit growers closer to the fires in Calaveras County.

As we know from fire seasons past, conditions can change dramatically in a hurry. It’s better to be prepared.

For tips: https://www.readyforwildfire.org/.

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Flowers in My Back Yard Series

Aug. 25: Crape myrtles, Sacramento's unofficial tree of summer

Aug. 18: Pollinators adore scabiosa, aka pincushion flower

Aug. 11: Hardy hibiscus adds big tropical impact

Aug. 4: Dianthus a deceptively hardy flower

July 28: Naked Ladies put on summer show

July 21: Thank Luther Burbank for these long-lasting beauties (Shasta daisies)

July 14: How to keep hydrangeas happy

July 7: Grow these bright cosmos for bees and butterflies

June 30: Agapanthus adds blue fireworks to the garden

June 23: Easy-care gazanias fill those hot corners

June 16: Daylilies are perfect for water-wise gardens (and a lot more)

June 9: Grow coneflowers for pollinators -- and yourself

June 2: Sunflowers capture Sacramento's summer attitude

May 29: Are your roses going 'blind'?

May 26: Zinnias are the summer flowers every garden needs

May 19: Plant dahlias now for late-summer flower power

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

April 14: Small flowers with outsized impact

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?

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Taste Summer! E-cookbook

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Find our summer recipes here!

Garden checklist for week of Aug. 30

Enjoy this mild late-summer weather – and get to work!

* September starts another season in the vegetable garden. Now is the time to plant for fall. The warm soil will get these veggies off to a fast start.

* Keep harvesting tomatoes, peppers, squash, melons and eggplant.

* Compost annuals and vegetable crops that have finished producing.

* Cultivate and add compost to the soil to replenish its nutrients for fall and winter vegetables and flowers.

* Fertilize deciduous fruit trees.

* Plant onions, lettuce, peas, radishes, turnips, beets, carrots, bok choy, spinach and potatoes directly into the vegetable beds.

* Transplant cabbage, broccoli, kale, Brussels sprouts and cauliflower as well as lettuce seedlings.

* Sow seeds of California poppies, clarkia and African daisies. Transplant cool-weather annuals such as pansies, violas, fairy primroses, calendulas, stocks and snapdragons.

* Divide and replant bulbs, rhizomes and perennials.

* Dig up and divide daylilies as they complete their bloom cycle.

* Divide and transplant peonies that have become overcrowded. Replant with “eyes” about an inch below the soil surface.

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Taste Spring! E-cookbook

Strawberries

Find our spring recipes here!

Taste Fall! E-cookbook

Muffins and pumpkin

Find our fall recipes here!

Taste Winter! E-cookbook

Lemon coconut pancakes

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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

Add asparagus to your edible garden

Soggy soil and what to do about it

Plant artichokes now; enjoy for years to come

It's late November, and your peach tree needs spraying

What to do with all those fallen leaves?

Prepare now for colder weather in the edible garden

Plant a pea patch for you and your garden

As citrus season begins, advice for backyard growers

Change is in the autumn air 

We don't talk (enough) about beets

Fava beans do double duty

Seeds or transplants for cool-season veggies?

How to prolong the fall tomato harvest 

SUMMER

Time to shut it down? 

How to get the most out of your pumpkin patch

Summer-to-fall transition time for evaluation, planning

To pick or not to pick those tomatoes?

: Put worms to work for you

Grow food while saving water

Enhance your food with edible flowers

Why won't my tomatoes turn red?

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

Does this plant need water?

 Tear out that sad plant or baby it? Midsummer decisions

How to grow summer salad greens

 Weird stuff that's perfectly normal

SPRING

Help pollinators help your garden

Battling early-season tomato pests

Make your own compost

Where are the bees when you need them?

How to help tomatoes thrive on hot days

Your plants can tell you more than any calendar can

Maintain soil moisture with mulch for garden success

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

Should you stock up on fertilizer? (Yes!)

Grow culinary herbs in containers

When to plant summer vegetables

Don't be fooled by these garden myths

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