Chilly storm throws another curve into spring weather
This rain-drenched rose shows an example of a blind shoot -- no bud happening here. To remedy, prune the shoot to just above a healthy leaf with five leaflets. Kathy Morrison
“Unsettled”; that’s how the National Weather Service describes our weekend forecast. Saturday (May 4) certainly fit that description with a mix of showers and thunderstorms, gusty winds and much cooler temperatures.
After basking in warm spring sunshine most of this week, Sacramento saw temperatures plunge more than 30 degrees. After 84 degrees on Friday, Saturday stayed chilly and wet in the low 50s.
With “definite rain showers” forecast throughout the day, Sacramento is expected to total ¾ to 1 inch of rain from this storm, says the weather service.
Sunday and Monday are expected to be cool (70ish) but dry. By Wednesday, we’ll be back in the low to mid 80s – with more heat on the horizon. And next weekend? We could see our first 90-degree day of 2024.
More on weather forecast: https://www.weather.gov/sto/.
What does this mean for our gardens? Expect to see more effects of weather whiplash.
Huge fluctuations in temperature and weather conditions confuse plants (as well as gardeners). For example, roses produce “blind shoots,” stems that never produce a bud or bloom. Prune those off, cutting just above a healthy leaf with five leaflets.
* Survey your garden after the storm. Heavy rain and gusty winds can break the neck of large flowers such as roses.
* Keep an eye on new transplants or seedlings; they could take a pounding on Saturday.
* Watch out for powdery mildew. Warmth that follows moist conditions can cause this fungal disease to “bloom,” too. If you see a leaf that looks like it’s dusted with powdered sugar, snip it off.
* After the storm, start setting out tomato transplants, but wait on the peppers and eggplants (they want warmer nights). Pinch off any flowers on new transplants to make them concentrate on establishing roots instead of setting premature fruit.
* 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, pumpkins, 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.
* Don’t wait; plant summer bulbs, such as gladiolus and tuberous begonias.
* Harvest cabbage, lettuce, peas and green onions.
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Garden Checklist for week of Nov. 3
November still offers good weather for fall planting:
* If you haven't already, it's time to clean up the remains of summer. Pull faded annuals and vegetables. Prune dead or broken branches from trees.
* Now is the best time to plant most trees and shrubs. 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.
* 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.
* 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.
* Save dry stalks and seedpods from poppies and coneflowers for fall bouquets and holiday decorating.
* For holiday blooms indoors, plant paperwhite narcissus bulbs now. Fill a shallow bowl or dish with 2 inches of rocks or pebbles. Place bulbs in the dish with the root end nestled in the rocks. Add water until it just touches the bottom of the bulbs. Place the dish in a sunny window. Add water as needed.
* Give your azaleas, gardenias and camellias a boost with chelated iron.
* For larger blooms, pinch off some camellia buds.
* Prune non-flowering trees and shrubs while dormant.
* 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.
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