THIS WEEK at HILTON POND
15-21 July 2006

Installment #322---
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NATIVE PLANTS:
THE CULLOWHEE CONFERENCE

Back in 1982 when we moved to what is now Hilton Pond Center for Piedmont Natural History, the 11 acres around our old circa-1918 farmhouse were nearly all open. For perhaps a hundred years this plot had been part of a larger farmstead on which livestock were grazed and furrows were annually plowed for corn, cotton, and soybeans. With such intensive long-term use, it shouldn't be a surprise we have few wildflowers or native shrubs. After all, plowing tends of get rid of non-agricultural plants, while hungry cattle browse on almost anything that sprouts. Eventually, rootstock and seed banks disappear, and it takes a long time--maybe even forever--for native plants to re-establish.

All text & photos © Hilton Pond Center

When we bought the Hilton Pond property it was about two years into natural vegetative succession; except for a few established oaks, hickories, and dogwoods (above), the landscape was mostly Broomsedge grass with a scattering of six-inch-tall Winged Elms, Sweetgums, and Eastern Red Cedars, all bordered on the north by another landowner's Loblolly Pine plantation. We had no desire to continue farming--and we were determined NOT to waste our time maintaining an 11-acre lawn--so we decided early on to let nature take its course; i.e., we laid out more than two miles of meandering trails and quit cutting everything else. In almost no time vegetation sprouted everywhere, and within a few years the property was covered by lush growth of vines, saplings, and shrubs--the vast majority being Japanese Honeysuckle, Russian Olive, and Chinese Privet. Almost 25 years ago the terms "alien," "non-native," and "invasive" weren't in our botanical vocabulary, so except for whacking back honeysuckle because it climbed and smothered trees, we allowed things to proceed in naive belief any vegetation was better than none at all. That was, in retrospect, a big mistake; for the past ten years we've spent far too much time purging our local landscape of everything EXCEPT native plants.

A quarter of a century ago, however, there WERE folks who did understand the pleasures of endemic plant species and the dangers of invasives. Some of them got together to hold the first Native Plant Conference in 1984, using funds from the Tennessee Valley Authority to assemble 127 participants at Western Carolina University in Cullowhee NC. To quote the Conference Web site:

Bob Farmer, TVA biologist, had been growing native species with standard nursery techniques in the early 1980s. At the time native plants were such a small portion of the commercial market that they attracted little attention. Bob was giving plants away to the Chamber of Commerce to get the public interested. Most information about native plants was circulating within the confines of the academic community. Leo Collins (TVA chief botanist), Dan Pittillo (WCU botanist), and Jim Horton (WCU liaison) decided to create a forum for professors, growers, designers, and consumers where everybody is a teacher. Enthusiasm of pioneers of the native plant movement would unite individual voices in the wilderness into a chorus with significant economic and ecological impact. The combination of field trips, workshops, lectures, and social networking opportunities have become a model for similar native plant gatherings around the country. With scholarships to enable students and a commitment to the outreach mission of the first meeting, the Cullowhee Conference continues to inspire future generations of gardeners.

In years since, interest in native plants AND attendance at the Native Plant Conference have grown considerably. This week, we were invited by program chair Ed McDowell to talk about hummingbirds, Operation RubyThroat, and native hummer plants at Cullowhee, where we were pleased to see 361 people registered to learn how to identify, cultivate, and protect endemic plants of the southeastern U.S.

A diverse slate of speakers, workshop presenters, and field trip leaders provided lots of useful information, but some of the most thought-provoking activity came during informal one-on-one and group discussions into the wee hours of the morning. The most common question that arose in these chats was "How can we get more people interested in using native plants?" Conference attendees lamented how the majority of nurseries and professional landscapers promote non-native species when native plants would serve just as well--and might be even more attractive. Why, for example, would someone insist on installing imported, hybridized daylilies when our native Turk's Cap Lily, Lilium superbum (above), produces prolific blooms that are far more spectacular AND that appeal to--and meet the needs of--native pollinators such as the Pipevine Swallowtail (above left)? Basically, as participants in one of the midnight discussion groups concluded, it all boils down to marketing and mindset. Some factors mentioned, among others, were:

--Gardeners tend to like something new and different their neighbors don't have. Thus, when a new cultivar or non-native plant is introduced, everyone tries to be first on the block to have it, ignoring tried-and-true natives. After all, some argue, why would any self-respecting gardener want a bed of common native Christmas Fern, Polystichum acrostichoides (below)--complete with granular seed-like sori--when a hot new non-native Hosta could be had instead?

--Plant nurseries and retailers stock what sells, so they get into an endless cycle of offering what growers send them, which simply encourages the growers to grow more of the same. Once a non-native plant gets into the grow-ship-sell pipeline--take, for example, those short-lived, attractive-but-vastly-over-used-and-now-invasive Bradford Pears--it's hard to get the growers to stop. (Hmmmm. Wouldn't it be just as easy and profitable for Lowe's and Home Depot to market pots of native deciduous azaleas instead of non-native ones that first came from Asia?)

--Extension agents and professional landscapers, despite good hearts and best intentions, tend to recommend plants they are familiar with. And, since these folks probably took courses or were trained in horticulture of non-natives rather than propagation of native plants, the exotics almost always win. Thus, we get yards full of Japanese Maples--rather than plantings of our aromatic native Sassafras tree, Sassafras albidum (above), with its three very interesting leaf shapes.

--Some people have the false impression that native plants are "weeds," while exotics are somehow more desirable. In reality, most of our weeds these days--think Dandelion, Ailanthus, barberry, stilt grass, Multiflora Rose, Kudzu, etc.--are invasive non-natives able to out-compete endemic plant species in the absence of diseases and herbivores that controlled aliens in their lands of origin.

Frankly, we've always preferred native plants to non-natives, mainly because to us endemics just "feel" like home. We're a bit put off by the garish colors of many non-native cultivars, and even the leaf shape and growth form of most alien plants seem so out-of-place in the Southeastern landscape.

One could argue that what one plants in one's yard is a matter of personal choice, and it is. Nonetheless, participants in the Cullowhee conference asked why more folks don't choose native plants that originated locally, that are adapted to local soils and weather, that typically require much less fertilizer and pesticide treatment, and that coexist with native herbivores and pollinators--such as the metallic green fly shown above visiting the Wild Bergamot, Monarda fistulosa. What could be more attractive in a home garden than the dangling, half-inch berries of our native Solomon's Seal, Polygonatum biflorum (below)?

Considering we humans have spent much of the last two centuries clearcutting and bulldozing the American landscape, it stands to reason that many native plants at best are species of concern or, even worse, are threatened or endangered. We need to step back and re-think our over-use of exotic plants and under-use of natives, if only to keep some endemic plant species from becoming extinct. We can't come up with any good reason why every homeowner couldn't reserve at least part of the backyard garden to propagate rare native plants when it might be their only hope for survival. How amazing it is that we humans pay so much attention to the welfare of pandas and panthers or wallabies and woodpeckers, all the while ignoring the fate of flower, shrub, and tree species that could be lost forever beneath a nearby parking lot or condo. (NOTE: Never dig a native plant from the wild except to save it; instead, buy your natives from reputable dealers who propagate them "in captivity.")

We try not to get on too many soapboxes too often here at Hilton Pond Center, but the Native Plant Conference at Cullowhee has us fired up. Now we're even more committed to eradicating non-native plants from the Center itself, so tomorrow we go after periwinkle and privet with greater vengeance. We've also got our eyes wide open for nearby natural sites being lost to development, with the intent of asking project managers if we might dig up native plants and transplant them around Hilton Pond. Such activity is hard work, but it's certain to be worth it. After all, it would be totally unacceptable if--for some unforeseen reason--we lost all our native Blackberry drupes (above) and no longer could partake of one of nature's finest wild fruits.

Go Native!

All text & photos © Hilton Pond Center


POSTSCRIPT #1: As this year's Native Plant Conference ended at Cullowhee, we departed Western Carolina University and on a whim took the first right turn east of campus. As we drove up the "holler," we were delighted to see a variety of native flora in bloom. All plant (and pollinator) pictures on this page were made along the roadside in the space of an hour--a sure sign that some native plants are at least holding their own in North Carolina's mountains.

POSTSCRIPT #2: Various patrons of the regional Native Plant Conference at Cullowhee annually give conference scholarships to undergrad and graduate students, interns, and beginning professionals, hoping their participation will make them more aware of the use of endemic plants in the landscape. We were surprised that NONE of this year's 14 recipients came from neighboring South Carolina, a state with excellent training programs in botany, horticulture, landscaping, and related fields. Conference scholarships by state went to attendees from North Carolina (9), Tennessee (2), and Florida, Georgia, and Virginia (one each). Instructors and mentors at colleges and technical schools across the Southeast (and beyond) should encourage students to compete for scholarships for next year's conference when applications are announced early in the spring; trainees and beginning professionals also may apply.

POSTSCRIPT #3: For folks not applying for scholarships, Native Plant Conference registration, food, and lodging are very reasonable--less than $300 total this year for double occupancy for four nights! Some field trips require additional fees to cover travel, materials, etc., and you'll certainly want to bring extra money to patronize vendors who offer an amazing selection of transplantable, top-quality native plants. (Unlike many retail outlets, these vendors provide accurate, detailed advice on caring for your newly purchased native plants.) Dates for next year are 18-21 July 2007; mark your calendar.


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Be sure to scroll down for an account of all
birds banded or recaptured during the period,
plus other nature notes of interest.



Thanks to the following fine folks for recent gifts in support of Hilton Pond Center for Piedmont Natural History and/or Operation RubyThroat: The Hummingbird Project. Your contributions allow us to continue writing, photographing, and sharing "This Week at Hilton Pond." (See Support if you'd like to make a gift of your own.)

  • Merike Tamm
  • Alice Zawadzki

"This Week at Hilton Pond" is written & photographed
by Bill Hilton Jr., executive director of
Hilton Pond Center for Piedmont Natural History.

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BIRDS BANDED THIS WEEK at
HILTON POND CENTER

15-21 July 2006

SPECIES BANDED THIS WEEK:
Ruby-throated Hummingbird--8
Carolina Chickadee--2
Northern Cardinal--1
House Finch--1

* = New species for 2006


WEEKLY BANDING TOTAL
4 species
12 individuals


YEARLY BANDING TOTAL (2006)
22 species
976 individuals


BANDING GRAND TOTAL
(since 28 June 1982)
124 species
47,558 individuals


NOTABLE RECAPTURES THIS WEEK
(with original banding date, sex, and current age)
Ruby-throated Hummingbird (2)
08/11/05--after second year female
08/15/05--second year female

OTHER SIGHTINGS OF INTEREST

--Our second expedition to study Ruby-throated Hummingbirds in Guanacaste Province is the cover article of the May/June 2006 Costa Rica Outdoors magazine (above); a PDF version of the article by Vicky Longland is posted on the Web site for Hilton Pond Center. Please also take a look at revised info about how YOU can participate in our next exciting round of Operation RubyThroat trips to Costa Rica in February 2007.

All text & photos © Hilton Pond Center


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Hilton Pond Center for Piedmont Natural History is a non-profit research & education organization in York, South Carolina USA; phone (803) 684-5852. Directed by Bill Hilton Jr., aka The Piedmont Naturalist, it is the parent organization for Operation RubyThroat. Contents of this Web site--including articles and photos--may NOT be duplicated, modified, or used in any way except with the express written permission of Hilton Pond Center. All rights reserved worldwide. To obtain permission for use or for further assistance on accessing this Web site, contact the Webmaster.


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