Sunny, cool days make for good fall gardening weather
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| A persimmon tree shows off its fall colors. (Photos: Debbie Arrington) |
Sunny days and clear nights; that’s the Thanksgiving week forecast for Sacramento. After so many foggy days, expect several bright, crisp mornings and near-perfect fall afternoons – all great for gardening or other outdoor activities.
According to the National Weather Service, afternoon highs will be right about normal – in the low 60s. Without cloud cover, overnight lows will feel downright chilly, dipping down to 40 degrees on several nights.
This change in temperature will have an effect on our landscapes. Any deciduous trees that were holding onto their foliage will start dropping leaves in droves. Cold-sensitive plants such as begonias or tomatoes will shut down and die back.
Get ready for the holidays ahead with some seasonal TLC:
* Rake and compost leaves, but dispose of any diseased plant material.
* To help prevent leaf curl, 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 in fallen leaves. Sprays are most effective now, but to work, they need several days of clear, dry weather – like this week.
* Give your azaleas, gardenias and camellias a boost with chelated iron.
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| Trim chrysanthemums back after they're finished blooming. |
* Prune non-flowering trees and shrubs while dormant.
* Plant spring bulbs including daffodils, crocuses, hyacinths, tulips, anemones and scillas.
* Seed California wildflowers such as poppies, penstemon and lupine.
* Plant sweet pea, sweet alyssum and bachelor buttons.
* Trees and shrubs still can be planted now. This gives them plenty of time 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.
* Harvest persimmons and pomegranates.
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Garden Checklist for week of April 14
It's still not warm enough to transplant tomatoes directly in the ground, but we’re getting there.
* April is the last chance to plant citrus trees such as dwarf orange, lemon and kumquat. These trees also look good in landscaping and provide fresh fruit in winter.
* Smell orange blossoms? Feed citrus trees with a low dose of balanced fertilizer (such as 10-10-10) during bloom to help set fruit. Keep an eye out for ants.
* Apply slow-release fertilizer to the lawn.
* Thoroughly clean debris from the bottom of outdoor ponds or fountains.
* Spring brings a flush of rapid growth, and that means your garden needs nutrients. Fertilize shrubs and trees with a slow-release fertilizer. Or mulch with a 1-inch layer of compost.
* Azaleas and camellias looking a little yellow? If leaves are turning yellow between the veins, give them a boost with chelated iron.
* Trim dead flowers but not leaves from spring-flowering bulbs such as daffodils and tulips. Those leaves gather energy to create next year's flowers. Also, give the bulbs a fertilizer boost after bloom.
* Pinch chrysanthemums back to 12 inches for fall flowers. Cut old stems to the ground.
* Mulch around plants to conserve moisture and control weeds.
* From seed, plant beans, beets, cantaloupes, carrots, corn, cucumbers, melons, radishes and squash.
* Plant onion sets.
* In the flower garden, plant seeds for asters, cosmos, celosia, marigolds, salvia, sunflowers and zinnias.
* Transplant petunias, zinnias, geraniums and other summer bloomers.
* Plant perennials and dahlia tubers for summer bloom.
* Mid to late April is about the last chance to plant summer bulbs, such as gladiolus and tuberous begonias.
* Transplant lettuce seedlings. Choose varieties that mature quickly such as loose leaf.
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