Coolish June weather continues but watch out for threat of thunderstorms
The squash is forming! But those babies won't grow unless pollinated. If bees aren't finding your zucchini flowers, try transferring pollen from the large flowers to the ones with mini squashes at the base. Use a small soft brush. Kathy Morrison
“When thunder roars, go indoors!” That’s the warning from the National Weather Service as unsettled weather conditions – including possible thunderstorms – continue this week.
According to the forecast, thunderstorms are possible this weekend in the Sierra and foothills, and maybe even the valley. Lightning can strike from up to 10 miles away, adds the weather service. Among the activities people who were recently struck by lightning were doing when they were hit: Gardening!
So, wait until storm clouds pass before you swing into action outdoors this week.
Meanwhile, our coolish June continues – at least a few more days. So far, only two days this month have been above Sacramento’s average June high temperature of 87 degrees. This week starts the same, dipping down to 77 on Monday under mostly cloudy skies.
By next weekend, we’ll see the mercury creep up to more normal summer-like conditions but not too hot. The expected high for Father’s Day (June 18): 89 degrees.
Make the most of these temperate conditions. (Just make sure to go inside if you hear thunder!)
* From seed, plant corn, pumpkins, radishes, melons, squash and sunflowers.
* Plant basil to go with your tomatoes.
* Transplant summer annuals such as petunias, marigolds and zinnias.
* It’s also a good time to transplant perennial flowers including astilbe, columbine, coneflowers, coreopsis, dahlias, rudbeckia, salvia and verbena.
* Tie up vines and stake tall plants such as gladiolus and lilies. That gives their heavy flowers some support.
* Dig and divide crowded bulbs after the tops have died down.
* Feed summer flowers with a slow-release fertilizer.
* Mulch, mulch, mulch! This “blanket” keeps moisture in the soil longer and helps your plants cope during summer weather.
* Thin grapes on the vine for bigger, better clusters later this summer.
* Cut back fruit-bearing canes on berries.
* Deep-water tomatoes, then feed with a balanced fertilizer. Bone meal can spur the bloom cycle and help set fruit.
* Generally, tomatoes need deep watering two to three times a week, but don't let them dry out completely. That can encourage blossom-end rot
* Feed camellias, azaleas and other acid-loving plants. Mulch to conserve moisture and reduce heat stress.
* Cut back Shasta daisies after flowering to encourage a second bloom in the fall.
* Trim off dead flowers from rose bushes to keep them blooming through the summer.
* Pinch back chrysanthemums for bushier plants with many more flowers in September.
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Food in My Back Yard Series
March 18: Time to give vegetable seedlings some more space
March 11: Ways to win the fight against weeds
March 4: Potatoes from the garden
Feb. 25: Plant a fruit tree now -- for later
Feb. 18: How to squeeze more food into less space
Feb. 11: When to plant? Consider staggering your transplants
Feb. 4: Starting in seed starting
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Garden Checklist for week of March 16
Make the most of dry breaks between showers. Your garden is in high-growth mode.
* Pull weeds now! Don’t let them get started. Take a hoe and whack them as soon as they sprout.
* Prepare vegetable beds. Spade in compost and other amendments.
* Prune and fertilize spring-flowering shrubs after bloom.
* Feed camellias at the end of their bloom cycle. Pick up browned and fallen flowers to help corral blossom blight.
* Feed citrus trees, which are now in bloom and setting fruit. To prevent sunburn and borer problems on young trees, paint the exposed portion of the trunk with diluted white latex (water-based) interior paint. Dilute the paint with an equal amount of cold water before application.
* Feed roses with a balanced fertilizer (such as 10-10-10, the ratio of nitrogen, phosphorus and potassium available in that product).
* Prune and fertilize spring-flowering shrubs and trees after they bloom. Try using well-composted manure, spread 1-inch-thick under the tree (but avoid piling it up around the trunk). This serves as both fertilizer and mulch, retaining moisture while cutting down on weeds.
* Cut back and fertilize perennial herbs to encourage new growth.
* In the vegetable garden, transplant lettuce and cole family plants, such as cauliflower, broccoli, collards and kale.
* Seed chard and beets directly into the ground. (To speed germination, soak beet seeds overnight in room-temperature water before planting.)
* Before the mercury starts inching upward, this is your last chance to plant such annuals as pansies, violas and primroses.
* Plant summer bulbs, including gladiolus, tuberous begonias and callas. Also plant dahlia tubers.
* Shop for perennials. Many varieties are available in local nurseries and at plant events. They can be transplanted now while the weather remains relatively cool.
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