Chilly nights follow clear days; watch for frost
Transplant violas now for cheery color in winter and early spring gardens. Kathy Morrison
Get ready for chilly nights! Now that our spate of storms have passed through, Sacramento can expect a week full of mostly clear skies.
But without cloud cover, our overnight lows are going to dip way down. We’ll be flirting with frost all week.
According to the National Weather Service, Sacramento could get down to 31 degrees in the wee hours of Saturday night. Overnight lows of 33 are forecast for Sunday and Tuesday with patchy areas of frost predicted for every day but warmer than normal, with afternoon highs of 58 degrees forecast for Monday, Wednesday, Thursday and Friday. High-low averages for January in Sacramento: 54 and 39 degrees.
With no rain in the forecast for at least another week, we have a chance to dry out – and get to work.
* Keep frost cloths handy and protect sensitive plants. Make sure to remove cloths during the day.
* Don’t turn on the sprinklers for at least another week. The soil is plenty saturated already.
* Note areas of your landscape where water continued to stand long after the rain stopped. That ground likely needs amendments to improve soil drainage.
* 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. 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.
* Apply horticultural oil to fruit trees soon after a rain 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 oil to peach and nectarine trees to fight leaf curl.
* 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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For week of March 3:
* Celebrate the city flower! Catch the 100th Sacramento Camellia Show 3 to 6 p.m. Saturday, March 2, and 10 a.m to 5 p.m. Sunday, March 3, at the Scottish Rite Center, 6151 H St., Sacramento. Admission is free.
* Between showers, pick up fallen camellia blooms; that helps cut down on the spread of blossom blight that prematurely browns petals.
* Feed camellias after they bloom with fertilizer formulated for acid-loving plants.
* Camellias need little pruning. Remove dead wood and shape, if necessary.
* Tread lightly or not at all on wet ground; it compacts soil.
* Avoid digging in wet soil, too; wait until it clumps in your hand but doesn’t feel squishy.
* Note spots in your garden that stay wet after storms; improve drainage with the addition of organic matter such as compost.
* Keep an eye out for leaning trunks or ground disturbances around a tree’s base, a sign of shifting roots in the wet soil.
* Fertilize roses, annual flowers and berries as spring growth begins to appear.
* If aphids are attracted to new growth, knock them off with a strong spray of water or insecticidal soap. To make your own “bug soap,” use two tablespoons liquid soap – not detergent – to one quart water in a spray bottle. Shake it up before use. Among the liquid soaps that seem most effective are Dr. Bronner’s Pure-Castile Soaps; try the peppermint scent.
* Pull weeds now! Don’t let them get started. Take a hoe and whack them as soon as they sprout.
* Prune and fertilize spring-flowering shrubs after bloom.
* Cut back and fertilize perennial herbs to encourage new growth.
* Make plans for your summer garden. Once the soil is ready, start adding amendments such as compost.
* Indoors, start seeds for summer favorites such as tomatoes, peppers and squash as well as summer flowers.
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