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Dig In: Garden checklist for week of July 26

Sacramento Digs Gardening
BY Debbie Arrington PUBLISHED JUL 25, 2020

Keep those tomatoes harvested, and don't forget to fertilize them. (Photo: Kathy Morrison)

Overnight cooldown balances out afternoon heat

We may not reach triple digits, but expect this week to have its share of heat. That's normal for the waning days of July, historically Sacramento's hottest week of the year.

Highs for this week average 95 degrees. According to the National Weather Service, we'll have hot, sunny days topping out at 98 degrees Sunday before settling down into a string of mid 90s -- in other words, average weather for midsummer in Sacramento.

Fortunately, our nights will dip down to 60 or even a little cooler. That keeps the mornings (and soil temperature) comfortable.

Get out early and enjoy your garden before the mercury starts climbing.

* Feed citrus trees their last round of fertilizer for the year. This will give a boost to the fruit that's now forming.

* Harvest tomatoes, beans, squash, pepper and eggplants to prompt plants to keep producing. Give your plants a deep watering twice a week, more if planted in containers. Also, give them a boost with phosphate-rich fertilizer to help fruiting. (Always water before feeding.)

*Watch out for caterpillars and hornworms in the vegetable garden. They can strip a plant bare in one day. Pick them off plants by hand in early morning or late afternoon.

* Mulch can be your garden's best friend -- it conserves moisture while blocking out weeds. But don't let mulch mound around stalks, stems or trunks. That can promote rot.

* Camellia leaves looking a little yellow? Feed them some chelated iron. That goes for azaleas and gardenias, too.

* Pinch off dead flowers from perennials and annuals to lengthen their summer bloom.

* Indoors, start seedlings for fall vegetable planting, including bunching onion, cabbage, broccoli, cauliflower, kale, radicchio and lettuce.

* Sow seeds of perennials in pots for fall planting including yarrow, coneflower and salvia.

* In the garden, direct seed beets, carrots, leaf lettuce and turnips.

* Plant potatoes.

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Garden Checklist for week of July 21

Your garden needs you!

* Keep your vegetable garden watered, mulched and weeded. Water before 8 a.m. to reduce the chance of fungal infection and to conserve moisture.

* Feed vegetable plants bone meal, rock phosphate or other fertilizers high in phosphate to stimulate more blooms and fruiting. (But wait until daily high temperatures drop out of the 100s.)

* Don’t let tomatoes wilt or dry out completely. Give tomatoes a deep watering two to three times a week.

* Harvest vegetables promptly to encourage plants to produce more. Squash especially tends to grow rapidly in hot weather. Keep an eye on zucchini.

* Pinch back chrysanthemums for bushy plants and more flowers in September.

* Remove spent flowers from roses, daylilies and other bloomers as they finish flowering.

* Pinch off blooms from basil so the plant will grow more leaves.

* Cut back lavender after flowering to promote a second bloom.

* It's not too late to add a splash of color. Plant petunias, snapdragons, zinnias and marigolds.

* From seed, plant corn, pumpkins, radishes, winter squash and sunflowers.

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