Organic produce tends to cost more than its conventional
equivalent because organic farming is more labor-intensive—due in part to fewer
pesticides used. Additionally, it’s expensive for farmers to maintain their
organic status and those producers tend to have smaller supplies because they
don’t use preservatives, causing their products to have a shorter shelf life.
Throughout my research, I found that there is certain produce that should be grown organically; it is cleverly referred to as the "dirty dozen". I found similar lists on several reputable websites. I've compiled it here, along with reasoning as to why these fruits and veggies are considered dirty - and should be purchased from certified organic sellers.
The “Dirty Dozen”
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Why They’re Dirty
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Celery
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Due to peak consumer demand around Thanksgiving/Christmas, 75% of the
crop is grown during the fall and winter, when rain and wind promote the
growth of bacteria and fungal diseases. And because we eat the entire stalk,
it must be sprayed repeatedly to ward off pests.
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Peaches
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Sweet and succulent, peaches can be just as attractive to insects as
to people. Farmers may spray peaches every week or two from bloom to
harvest—and peach fuzz can trap pesticides.
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Strawberries
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Strawberries are not only sweet and juicy but also delicate and prone
to disease, including fungal attacks that can turn them to mush during
transit and storage.
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Apples
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Sweet-smelling and delicious, apples are susceptible to more than 30
insects and at least 10 diseases. And fungicides and other chemicals are
added after picking to prevent tiny blemishes that can accumulate during
storage of up to 9 months.
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Blueberries
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The berries are targets for insects
such as blueberry maggots and bagworms.
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Nectarines
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Thanks to their waxy skin, they don't retain as many pesticides as
peaches. On the other hand, they are more vulnerable to rot and scarring.
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Bell Peppers
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Unlike cruciferous vegetables such as broccoli, sweet bell peppers
(which are technically fruits) have no bitter compounds to serve as built-in
insect repellents. They even lack the fiery taste of their cousins, the chile
peppers. And the creases at their crowns may provide nooks for pesticides to
accumulate
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Spinach
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Spinach is a mere leaf that's crunched by a variety of insects,
including grasshoppers. In addition, spinach tends to pull DDT residues
(which remain in the earth decades after they were banned) out of the soil
and into the leaf.
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Kale
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The outer leaves are not removed before sale, so any amount of damage
will make it unmarketable. Even natural enemies of the pests that feed on
kale can be considered contaminants in harvested produce, so farmers spray
for all bugs, including the "good" ones.
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Cherries
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Because cherries are a naked fruit—without peel or protection—they're
vulnerable to pests such as the western cherry fruit fly. If just one of its
maggots is found in a shipment, the entire load of fruit must be dumped,
according to quarantine regulations, so growers spray out of fear of losing
their crops.
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Potatoes
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America's number one vegetable is sprayed 5 or more times throughout
the growing season to protect against various pests—and to ensure a crop of
uniform shape and size for fast-food outlets and potato chip producers. After
harvesting, another round of spraying occurs in the packing shed to ward off
molds and sprouting.
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Imported
Grapes
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During their long transit from the southern hemisphere, imported
grapes are susceptible to Botrytis cinerea
rot, which causes the fruits to split and leak. To prevent that, farmers
spray aggressively with fungicides.
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On the flipside there is a similiar list referred to as the "Clean Fifteen" which are usually more sheltered from pesticides and therefore if you are not prepared to go 100% Organic, this is where you could purchase non-organic produce:
onions, avocados, sweet corn, pineapples, mango, sweet peas, asparagus, kiwi, cabbage, eggplant, cantaloupe, watermelon, grapefruit, sweet potatoes, and sweet onions
Regardless of the produce that you obtain, the FDA recommends washing all of it (including produce you plan to peel) under running water and drying it with a clean cloth or paper towel to further reduce bacteria. Be sure to even wash produce that has a tough skin—such as cantaloupe, avocado and cucumbers—as the bacteria on the outside can transfer via your knife to the flesh. The FDA suggests you scrub these and other firm fruits and vegetables with a clean produce brush.
Our planter box at the Organic Fitness Community Garden. |
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