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Spring Gardening Tips for a Flourishing Garden
As the vibrant colors of spring burst forth and the air fills with the sweet scent of blossoms, it's the perfect time to roll up your sleeves and tend to your garden. Whether you're a seasoned gar...
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Prepare for frost with these handy tips
Harvest ripe fall fruit, such as persimmons, that may be damaged by frost. Kathy Morrison
After a very warm October, we’re now shivering at night.
It may seem extra early, but frost is in the forecast for the next several nights – especially in the foothills. Downtown Sacramento is expected to see overnight lows dipping into the low 30s.
It’s a shock to our systems – and our plants, too. October averaged afternoon highs of almost 83 degrees – four degrees above normal. Three weeks ago, we were still seeing days in the high 80s.
Storms earlier this week dropped 0.97 inches on Sacramento – and kept overnight temperatures in the upper 40s. But with clear skies come cold nights. According to the National Weather Service, Sacramento can expect lows in the 30s all next week with frost warnings early Monday and Tuesday.
In several recent years, Sacramento’s first frost hasn’t hit until mid- to late December. But historically, frost can bite us any time between early November and the first day of spring. In 2020, we had our first frost warning Nov. 10, although actual freezing temperatures didn’t hit until two weeks later.
Like any challenge, it’s best to be prepared. Have your frost cloths handy and be ready to bundle up your garden when the forecast predicts 32 degrees or colder. Especially at risk are new transplants.
Keep these frost tips handy, too:
* If there is a frost warning, cover your sensitive plants with frost cloth, blankets or cloth sheets (not plastic) before sunset so radiant heat will help keep them cozy.
* Remember to uncover plants during the day (especially if it’s sunny) or they can be smothered by their frost protection.
* Harvest ripe fruit that may be harmed by frost. Don't let pomegranates and persimmons freeze on the tree. The same goes for early citrus such as lemons, limes or mandarins.
* Citrus trees (particularly young trees) tend to be susceptible to frost damage. Limes are the most frost tender. Make sure they get some protection before frost hits.
* Wrap trunks of young citrus trees to insulate them from frost.
* Holiday lights – the old-fashioned kind that get hot, not LEDs – can help keep plants warm, too. Wrap a string of lights around the trunk and branches. Keep the lights on all night.
* With some exceptions, keep plants watered. Frost injury occurs when ice crystals form on leaf surfaces and draw moisture out of the leaf. The damage from dehydration is what causes frost burn.
* The exemption to this rule are cacti and succulents, where saturation can cause more damage. Also, such tropical plants as bananas and hibiscus may rot if over-saturated before frost, so they prefer to be kept on the dry side.
* Don’t overprotect. Plants are more frost resistant if they’ve experienced some cold weather and winter hardening.
* If frost damage occurs, wait until March or April to prune off browned branches. That injured area will help protect the rest of the plant from further frost burn.
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Garden Checklist for week of May 19
Temperatures will be a bit higher than normal in the afternoons this week. Take care of chores early in the day – then enjoy the afternoon. It’s time to smell the roses.
* Plant, plant, plant! It’s prime planting season in the Sacramento area. If you haven’t already, it’s 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.
* 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.
* Add mulch to the garden to help keep that precious water from evaporating. Mulch also cuts down on weeds. But don’t let it mound around the stems or trunks of trees or shrubs. Leave about a 6-inch to 1-foot circle to avoid crown rot or other problems.
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