Colder than normal weather expected; watch out for frost
Prevent peach leaf curl like this in 2023 by starting a schedule of spraying now, since rain isn’t expected this week. Debbie Arrington
Grab a sweater; chill is definitely in the air.
According to the National Weather Service, cooler than normal conditions are expected across the country this week – including Sacramento. High temperatures won’t peak above 62 degrees with most days in the 50s. Normal high for mid-November: 64 degrees.
Overnight lows will be chilly, too, flirting with freezing in the wee hours of Monday and Tuesday mornings. Every night is forecast for the mid to low 30s. Be prepared for frost.
Otherwise, expect clear, calm conditions and no rain – at least for this week. The next showers are expected Thanksgiving week.
In the meantime, make the most of soft ground and clear skies.
* Rake and compost leaves, but dispose of any diseased plant material. For example, if peach and nectarine trees showed signs of leaf curl this year, clean up under trees and dispose of those leaves instead of composting.
* Speaking of leaf curl, this looks like a good week to spray. Apply a copper fungicide spray to peach and nectarine trees after they lose their leaves this month. Leaf curl, which shows up in the spring, is caused by a fungus that winters as spores on the limbs and around the tree on fallen leaves. Sprays are most effective when applied now.
* Give your azaleas, gardenias and camellias a boost with chelated iron.
* After they bloom, chrysanthemums should be trimmed to 6 to 8 inches above the ground. If in pots, keep the mums in their containers until next spring. Then, they can be planted in the ground, if desired, or repotted.
* Prune non-flowering trees and shrubs while dormant.
* Keep planting bulbs to spread out your spring bloom. Some possible suggestions: daffodils, crocuses, hyacinths, tulips, anemones and scillas.
* This is also a good time to seed wildflowers and plant such spring bloomers as sweet pea, sweet alyssum and bachelor buttons.
* There’s still time to plant most trees and shrubs. This gives them opportunity for root development before spring growth. They also benefit from fall and winter rains.
* Set out cool-weather annuals such as pansies and snapdragons.
* Lettuce, cabbage and broccoli also can be planted now.
* Plant garlic and onions.
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Garden Checklist for week of Feb. 16
Take advantage of this nice weather. There’s plenty to do as your garden starts to switch into high gear for spring growth.
* This is the last chance to spray fruit trees before their buds open. Treat peach and nectarine trees with copper-based fungicide. Spray apricot trees at bud swell to prevent brown rot. Apply horticultural oil to control scale, mites and aphids on fruit trees.
* Check soil moisture before resuming irrigation. Most likely, your soil is still pretty damp.
* Feed spring-blooming shrubs and fall-planted perennials with slow-release fertilizer. Feed mature trees and shrubs after spring growth starts.
* Transplant or direct-seed several flowers, including snapdragon, candytuft, lilies, astilbe, larkspur, Shasta and painted daisies, stocks, bleeding heart and coral bells.
* In the vegetable garden, plant Jerusalem artichoke tubers, and strawberry and rhubarb roots.
* Transplant cabbage and its close cousins – broccoli, kale and cauliflower – as well as lettuce (both loose leaf and head).
* Indoors, start peppers, tomatoes and eggplant from seed.
* Plant artichokes, asparagus and horseradish from root divisions.
* Plant potatoes from tubers and onions from sets (small bulbs). The onions will sprout quickly and can be used as green onions in March.
* From seed, plant beets, chard, lettuce, mustard, peas, radishes and turnips.
* Annuals are showing up in nurseries, but wait until the weather warms up a bit before planting. Instead, set out flowering perennials such as columbine and delphinium.
* Plant summer-flowering bulbs including cannas, calla lilies and gladiolus.