Organic chemistry

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"Organic" is becoming a byword of our times. Even so, for Hal Seitz, a local garden and lawn care professional, too many people opt for what he calls "a magic bullet" -- the choice of synthetic chemicals that promise instant results.

He defies anyone not to find organic as an easier, better and cheaper approach. All it takes is patience -- and some work.

Mr. Seitz scoffs at the idea that chemical-free lawns and gardens belong only to green zealots and eco-freaks. A 43-year-old devotee of so-called natural principles applied to tending the earth, he grew up in an apartment in Silver Spring. Most days, he can be found tending his plot in the all-organic Virginia Avenue Community Garden near the Washington Navy Yard in Southeast, where he grows nearly all his own vegetables.

"I'm not some tree-hugger. I'm just an old gardener," he says, belying his skill at coaxing life from belligerent ground without relying on chemical weedkillers. Chemicals can be harmful to humans and animals even indirectly when leached through soil into the water table.

Mr. Seitz works under the name of District Cityscapes for clients as far away as Howard County and as close in as the 7-Eleven store at the busy corner of Maryland Avenue and Eighth Street Southeast, where seemingly no plants would grow. He discovered his talent almost by accident when he took a job on an organic vegetable farm in West Virginia in the late 1980s.

"Instantly, eating those things, I became so much healthier," he says. The secret -- an obvious one -- is taking proper care of the soil, first by what he calls "sterilizing" it.

"Not sterile in the clinical sense," he explains. "You get the soil as free of roots and weeds as possible. Pull weeds out by the roots, and they are gone forever."

The general principles employed in caring for a garden can be transferred to a grassy lawn where, again, the first rule is having healthy soil.

In place of synthetic chemical treatment, Mr. Seitz recommends organic soil enhancers that come from TurfPro USA, a Central Florida firm, and those sold by Purple Mountain Organics in Takoma Park, Md. TurfPro is advertised as being able to "free up soil nutrients, making them readily available for uptake by plants."

"The big thing about going organic is to build the organic material," agrees Derek Thomas of Thomas Landscapes, a Master Gardener who services the Washington area with his Waldorf, Md., firm. "Get compost in the soil and do that by top-dressing the lawn in the spring and fall. That way, the lawn becomes self-sustaining and resistant to disease."