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Midsummer blues: Sparklers in July garden

Sacramento Digs Gardening
BY Debbie Arrington PUBLISHED JUL 3, 2020

Blue hydrangeas are just starting to bloom. (Photos: Debbie Arrington)

This flower hue adds vibrance to summer landscape

Stokesia comes in many cool

shades.

Blue ranks among the rarest colors in the summer garden. Yet it's a beautiful contrast to all of July's other brilliant colors, especially yellow and orange.

Blue stands out in the landscape, immediately drawing your attention. Bees seem to gravitate to it, too.
The one trait most blue flowers share is they contain anthocyanin, the same pigment that makes blueberries blue.

As an accent or in broad borders, blue blooms complete a flowery summer rainbow. An Independence Day bouquet wouldn't have the same sparkle without some blue.

Just in time for Fourth of July and midsummer, here are the blues blooming in my Sacramento garden right now:

Hydrangeas: My true blues are just coming into their bloom cycle. By late July, they'll be covered with great soft mounds of baby blue. Formerly pink hydrangeas can go blue, too, by slightly increasing the acidity of their soil.

Stokesia: This low-growing perennial blooms from early July until frost. It comes in several shades of vivid blue from powder to deep cobalt. My variety: Blue Frills from Proven Winners. It contrasts beautifully with orange coppertips ( Crocosmia ) and yellow daylilies. Stokesia also makes a good cut flower; pair it with white daisies and red roses or gladiolas for a charming red-white-blue bouquet.

Agapanthus blossoms attract bees.

Lilies of the Nile: My huge agapanthus clumps came with the house. But the bees love them, so they stayed put. Every Fourth of July, the gigantic flowerheads look like blue fireworks exploding among the roses. Another plus: They make good cut flowers and add the blue to my Independence Day bouquets. The dried stems also are attractive in arrangements.

Borage, a blue herb, has edible flowers.

Borage: This blue herb is a bee favorite in my vegetable garden and the intensely blue (and slightly spicy) flowers are edible. Use them as decorations on cakes and cupcakes.

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agapanthus borage cut flowers gardening Sacramento blue flowers summer flowers flowers

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Garden Checklist for week of May 19

Temperatures will be a bit higher than normal in the afternoons this week. Take care of chores early in the day – then enjoy the afternoon. It’s time to smell the roses.

* Plant, plant, plant! It’s prime planting season in the Sacramento area. If you haven’t already, it’s time to set out those tomato transplants along with peppers and eggplants. Pinch off any flowers on new transplants to make them concentrate on establishing roots instead of setting premature fruit.

* Direct-seed melons, cucumbers, summer squash, corn, radishes, pumpkins and annual herbs such as basil.

* Harvest cabbage, lettuce, peas and green onions.

* In the flower garden, direct-seed sunflowers, cosmos, salvia, zinnias, marigolds, celosia and asters.

* Plant dahlia tubers. Other perennials to set out include verbena, coreopsis, coneflower and astilbe.

* Transplant petunias, marigolds and perennial flowers such as astilbe, columbine, coneflowers, coreopsis, dahlias, rudbeckia and verbena.

* Keep an eye out for slugs, snails, earwigs and aphids that want to dine on tender new growth.

* Feed summer bloomers with a balanced fertilizer.

* For continued bloom, cut off spent flowers on roses as well as other flowering plants.

* Don’t forget to water. Seedlings need moisture. Deep watering will help build strong roots and healthy plants.

* Add mulch to the garden to help keep that precious water from evaporating. Mulch also cuts down on weeds. But don’t let it mound around the stems or trunks of trees or shrubs. Leave about a 6-inch to 1-foot circle to avoid crown rot or other problems.

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