A Swallowtail Butterfly visiting a butterfly bush |
Do
you want to get a bigger harvest of fruit, or "fruit-bearing"
vegetables such as squash or cucumbers? One way to do this is to make sure
there are plenty of pollinators around to transfer the pollen from flower to
flower. There are many different pollinators, which include bees, butterflies,
moths, hummingbirds, bats, beetles and others.
A Hummingbird hovering at a trumpet vine flower cluster |
There
are a huge number of plants that can attract more pollinators to your garden,
helping to ensure that your food-producing plants get the pollination they
need. According to the USDA's Natural Resources Conservation Service,
"Three-fourths of the world's flowering plants and about 35 percent of the
world's food crops depend on animal pollinators to reproduce. More than 3,500
species of native bees help increase crop yields. Some scientists estimate that
one out of every three bites of food we eat exists because of animal
pollinators like bees, butterflies and moths, birds and bats, and beetles and
other insects." They also claim, "The honey bee is single handedly
responsible for billions of dollars' worth of American crops each year.
A Honey Bee on a peach blossom |
Pollinators
like bees visit flowers in search for food (nectar or pollen). During the visit,
a pollinator may brush against a flower's reproductive parts, depositing pollen
from a different flower. The plant uses the pollen to produce a fruit or
seed."
Pollinators
in general are in decline due to many challenges such as habitat loss,
parasites, and environmental contaminants. Home gardeners can help pollinators
rebound from these challenges by providing food and habitat in their backyards
- or windowsills, or balconies. By providing food for the pollinators, they in
turn pollinate our food crops, which create food for us - a win-win situation
for all involved.
A Painted Lady Butterfly perched on an almond blossom |
The
USDA-CRCS offers seven ways to make your garden a haven for native pollinators
(some plants suggested do not apply to the High Desert climate so I have
replaced some of their suggestions with desert-friendly alternatives):
·
Use pollinator-friendly plants in your
landscape. Shrubs and trees such as germander, rosemary, blueberry (in
containers), peach, and almond provide pollen or nectar, or both, early in
spring when food is scarce.
·
Choose
a mixture of plants for spring, summer, and fall. Different flower colors,
shapes, and scents will attract a wide variety of pollinators. If you have
limited space, you can plant flowers in containers on a patio, balcony, and
even window boxes. A few examples for the High Desert include mimosa, Monarda,
Agastache, trumpet vine, honeysuckle, Salvia, desert willow, rosemary, cactus,
coneflowers, lavender, Palo Verde, evening primrose, coral bells, Verbena,
daisies, germander, red yucca, butterfly weed, buckwheat, California fuchsia,
and many more.
·
Reduce
or eliminate pesticide use in your landscape, or incorporate plants that
attract beneficial insects for pest control. If you use pesticides, use them
sparingly and responsibly.
·
Accept
some plant damage on plants meant to provide habitat for butterfly and moth
larvae.
·
Provide
clean water for pollinators with a shallow dish, bowl, or birdbath with half-submerged
stones for perches.
·
Leave
dead tree trunks, also called "snags," in your landscape for wood-nesting
bees and beetles.
·
Support
land conservation in your community by helping to create and maintain community
gardens and green spaces to ensure that pollinators have appropriate habitat.
To learn more, visit the USDA-Natural
Resources Conservation Service office at www.nrcs.usda.gov for information
about selecting plants for particular pollinators in your area.
My Tuscan Blue Rosemary bushes are buzzing with honey bees. |
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