This weekend is too hot to plant -- but not to plan
Check your seeds and decide where and when the new plants will go in. Kathy Morrison
When do you plant a fall vegetable garden? It depends.
In Sacramento, Labor Day weekend traditionally marks that crossover from summer harvest to fall planting – but only after the tomatoes stop producing.
This summer, most of our tomatoes are already spent, victims of a very dry, very hot 2022. Those conditions put extra stress on plants. Heat-loving spider mites moved in and made themselves at home, sapping vines of energy.
For many tomato growers, the 2022 harvest was below par or nonexistent. Due to so many triple-digit days (35 and counting), tomato pollen dried up before it could fertilize flowers.
So, yeah, now is probably a good time to turn the page and pull the vines.
But when do you plant the fall veggies? Not quite yet, but soon. So, it's time to plan if not to plant.
With forecasts of record-high temperatures for this weekend, conditions are not good for setting out baby transplants; they’ll immediately be stressed. But as soon as the weather cools back to normal – mere 90s, not 100s – the fall seedlings can go in the ground. That could be next week.
Why plant cool-season crops when it’s still hot? Warm soil promotes rapid root development – a big plus for a good harvest in November, December and January.
Many cool-weather favorites – such as cabbages, head lettuce, broccoli and Brussels sprouts – take months to develop to maturity. Cabbage, for example, takes 60 to 100 days to form a solid head. Plant in September for Christmas cabbage.
Just not this weekend.
When it is cool enough to venture outside, prepare garden beds before transplanting. All those summer veggies sucked up a lot of nutrients. Cultivate and add compost to the soil. Let it rest a week or more before planting.
What to plant? In September, plant onions, lettuce, peas, radishes, turnips, beets, carrots, bok choy, spinach and potatoes directly into the vegetable beds.
Transplant cabbage, broccoli, kale, Brussels sprouts and cauliflower as well as lettuce seedlings. It’s not too late to start those seeds indoors and transplant in October or early November.
It’s a great time for flower planting, too. Sow seeds of California poppies, clarkia and African daisies. Also, transplant cool-weather annuals such as pansies, violas, fairy primroses, calendulas, stocks and snapdragons.
Whatever you plant, remember to water regularly. Seeds need even moisture to sprout. Avoid stressing new transplants by making sure soil doesn’t dry out.
And just like in summer, mulch works wonders, retaining soil moisture while cutting down on weeds. A new layer of mulch will help get those new seedlings off to a great start.
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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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