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Ways to help pollinators do their best work

Take an active role in celebrating Pollinator Week

Sacramento Digs Gardening
BY Kathy Morrison PUBLISHED JUN 23, 2022

A honeybee lingers on a pollinator's flowering favorite: African blue basil. (Photo:

Kathy Morrison)

I never get tired of watching pollinators in action. The carpenter bees bending the branches of the "Hot Lips" salvia as they dig into the blossoms, the Anna's hummingbirds swooping into backyard to sample the hyssop, the fiery skipper butterflies landing delicately on matching orange zinnias.

And of course all those hard-working honeybees wiggling around in the squash flowers, producing more zucchini than I can eat. It's a busy world, the pollinator world, and we owe it thanks and assistance.

The Pollinator Partnership notes that about 75% of all flowering plants rely on animal pollinators and over 200,000 species of animals act as pollinators. Of those, about 1,000 are hummingbirds, bats, and small mammals. The rest are insects such as beetles, flies, bees, ants, wasps, butterflies, and moths.

Pollinator Week is an annual celebration in support of pollinator health that was initiated and is managed by Pollinator Partnership. Here is the PP's list of suggestions for gardeners who wish to have a pollinator-friendly garden (and who wouldn't?):

• Design your garden so that there is a continuous succession of plants flowering from spring through fall. Check for the species or cultivars best suited to your area and gradually replace lawn grass with flower beds.

• Plant native to your region using plants that provide nectar for adults plus food for insect larvae, such as milkweed for monarchs. If you do use non-native plants, choose ones that don't spread easily, since these could become invasive.

• Select old-fashioned varieties of flowers whenever possible because breeding has caused some modern blooms to lose their fragrance and/or the nectar/pollen needed to attract and feed pollinators.

• Install "houses" for bats and native bees. For example, use wood blocks with holes or small open patches of mud. As little as 12 inches across is sufficient for some bees.

• Avoid pesticides, even so-called "natural" ones such as Bacillus thuringiensis (Bt). If you must use them, use the most selective and least toxic ones and apply them at night when most pollinators aren't active. (Kathy's note: Remember that systemic insecticides, such as for roses, move through the plant and can get into the pollen or nectar, harming pollinators drawn to the flowers.)

• Supply water for all wildlife. A suspended milk carton with a pinhole in the bottom is sufficient for some insects. Other wildlife need a small container of water.

• Provide water for butterflies without letting it become a mosquito breeding area. Refill containers daily or bury a shallow plant saucer to its rim in a sunny area, fill it with coarse pine bark or stones and fill to overflowing with water. (Kathy's note: Wine corks work, too, and they don't get as hot as stones.)

Some side notes from me on pollinators:

-- Remember that pollinators such as bees avoid extreme heat, too. During a heat spike, that means vine crops such as squash or melons are not getting pollinated. Take on a pollinator role yourself: Grab a watercolor brush or even a cotton swab and move pollen from the male flower (skinny stalk) to the female flower (tiny squash visible under the flower).

-- Don't deadhead every plant in your garden. Let some of them, especially the herbs, flower for the pollinators to enjoy. Chamomile, basil, parsley and cilantro flowers are some pollinator favorites.

-- Support the UC Davis Bee Haven . This wonderful outdoor museum and educational resource exists entirely on donations and volunteer work.

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GENERAL GARDENING

An article about gardening.

Keywords:

hummingbirds vegetables National Pollinator Week bees heat water pesticides Pollinator Partnership UC Davis Bee Haven pollinators flowers

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Flowers in My Back Yard Series

May 12: Know your coreopsis from your bidens

May 5: Mums the word on Mother's Day weekend

April 28: Majestic Matilija poppy is worth a look

April 21: Celebrate roses, America's favorite flower

April 14: Small flowers with outsized impact

April 7: Calendulas do double duty

April 3: Make Easter lilies last for years to come

March 31: In praise of a pollinator magnet (small-leaf salvias)

March 24: Azaleas brighten shady spots

March 17: The perfect flower for beginners? Try zonal geraniums

March 10: Keep camellias happy for years to come

March 3: Fruit tree blossoms are a fleeting joy

Feb. 27: Are your roses looking rusty?

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Garden checklist for week of May 10

Take it easy during that high heat – then get to work! Your garden is calling.

* Remember to irrigate your tender transplants. Seedlings need consistent moisture. Deep watering will help build strong roots and healthy plants. Water early in the morning for best results.

* Plant, plant, plant! It’s prime planting season in the Sacramento area. 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. (You also can transplant seedlings for many of the same flowers.)

* 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.

* Put your veggie garden on a regular diet. Set up a monthly feeding program, and keep track on your calendar. Make sure to water your garden before applying any fertilizer to prevent “burning” your plants.

* As spring-flowering shrubs finish blooming, give them a little pruning to shape them, removing old and dead wood. Lightly trim azaleas, fuchsias and marguerites for bushier plants.

* Don’t forget to weed! Those invaders are growing fast.

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