Warm weather brings rapid snow melt – and cold water
The warm May weather means melon plants (these are Ambrosias), as well as squash, pumpkins and cucumbers, pop up quickly from seed. Keep seedlings watered and mulched as they mature. Kathy Morrison
Typical for May, Sacramento can expect more warm days this week, says the National Weather Service. What’s not so typical is the Sierra snow pack, which is melting rapidly. Higher-than-normal temperatures accompanied by thunderstorms are turning those snow caps into runoff, filling local rivers and streams with very icy water.
Although it may be tempting to plunge into the American or Sacramento rivers, watch out!
“It's going to be another warm weekend, with above-average temps throughout much of the valley and foothills, with a 15-30% chance of isolated thunderstorms in the mountains,” tweeted the NWS Sacramento office. “Remember that though the air is HOT, the water is COLD. Think twice before getting in!”
That cold water is good news for farmers and gardeners. It looks like we’ll have ample supplies for this summer’s crops.
As for those temperatures, forecast highs for Sacramento top out at 94 degrees Monday, says the weather service. Normal for this week: 80 degrees. Lows are on the high side, too, with 58 degrees forecast for Monday and Tuesday.
Breezy conditions later this week will bring some relief; forecast highs for Wednesday through Friday are 77 to 79 degrees.
Make the most of this warm spring weather. If you haven’t already, plant your summer vegetables.
* 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 cabbage, lettuce, peas and green onions.
* In the flower garden, direct-seed sunflowers, cosmos, salvia, zinnias, marigolds, celosia and asters. For faster flowers, transplant seedlings for many of the same plants.
* Plant dahlia tubers. Other perennials to set out include verbena, coreopsis, coneflower and astilbe.
* Transplant petunias, marigolds and perennial flowers such as astilbe, columbine, coneflowers, coreopsis, dahlias, 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.
* Don’t forget to water. Seedlings need moisture. Deep watering will help build strong roots and healthy 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.
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Garden Checklist for week of Jan. 12
Once the winds die down, it’s good winter gardening weather with plenty to do:
* Prune, prune, prune. Now is the time to cut back most deciduous trees and shrubs. The exceptions are spring-flowering shrubs such as lilacs.
* Now is the time to prune fruit trees. (The exceptions are apricot and cherry trees, which are susceptible to a fungus that causes dieback. Save them until summer.) Clean up leaves and debris around the trees to prevent the spread of disease.
* Prune roses, even if they’re still trying to bloom. Strip off any remaining leaves, so the bush will be able to put out new growth in early spring.
* Clean up leaves and debris around your newly pruned roses and shrubs. Put down fresh mulch or bark to keep roots cozy.
* After the wind stops, apply horticultural oil to fruit trees to control scale, mites and aphids. Oils need 24 hours of dry weather after application to be effective.
* This is also the time to spray a copper-based fungicide to peach and nectarine trees to fight leaf curl. (The safest effective fungicides available for backyard trees are copper soap -- aka copper octanoate -- or copper ammonium, a fixed copper fungicide. Apply either of these copper products with 1% horticultural oil to increase effectiveness.)
* When forced bulbs sprout, move them to a cool, bright window. Give them a quarter turn each day so the stems will grow straight.
* Browse through seed catalogs and start making plans for spring and summer.
* Divide daylilies, Shasta daisies and other perennials.
* Cut back and divide chrysanthemums.
* Plant bare-root roses, trees and shrubs.
* Transplant pansies, violas, calendulas, English daisies, snapdragons and fairy primroses.
* In the vegetable garden, plant fava beans, head lettuce, mustard, onion sets, radicchio and radishes.
* Plant bare-root asparagus and root divisions of rhubarb.
* In the bulb department, plant callas, anemones, ranunculus and gladioli for bloom from late spring into summer.
* Plant blooming azaleas, camellias and rhododendrons. If you’re shopping for these beautiful landscape plants, you can now find them in full flower at local nurseries.
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