Cornerstone Festival: The Art of Landscape Design Hundreds of spinning pinwheels masquerading as daisies are among the eye-popping sights at an unusual roadside attraction in Sonoma Valley's wine country. The Cornerstone Festival of Gardens is nine acres devoted to some of today's most provocative ideas in landscape design.
Climbing Big Trees to Understand Them A new tree-climbing institute in Oregon wants to increase awareness of old-growth forests by helping people explore treetop ecosystems. But the group wants to make sure the venture does less harm than good. Ketzel makes the climb.
Green Roofs Sprout Up All Over The idea of covering the tops of buildings with plants, trees and grasses is as ancient as Mesopotamia. Touted as a solution to environmental problems, "green" roofs are increasingly showing up around the country.
Touring the Bush Ranch President Bush's top getaway, his ranch in Crawford, Texas, is also the place where Laura Bush seems to find the most solace. Ketzel gets a rare tour of the ranch with the first lady.
A Very Live Oak The Village Sentinel keeps a watch over residents of a Georgia retirement community. Ketzel visits the mighty oak and collects stories about it in the conclusion to her big-trees series.
Bushwhacking with a Big-Tree Hunter Ketzel accompanies big-tree hunter Bob Van Pelt in search of some of the world's biggest specimens. The story is the latest in her series on big trees.
A Walk Among the Giants Ketzel continues her series, Big Trees and the Lives They've Changed, with a trip to California's Humboldt Redwoods State Park.
Big Trees and the Lives They've Changed Big trees are the stuff of poetry, religion and story. They are an integral part of the human experience. Ketzel reports in a special series about big trees and the lives they've changed.
An Irish Garden Ketzel visits Helen Dillon's Dublin garden and discovers the work of a conjurer who mixes plants, colors and shapes in seemingly random combinations.
The Kalmiopsis Wilderness Ketzel hikes in the Kalmiopsis Wilderness a year after the Biscuit Fire of 2002, and finds a wilderness blooming in a charred landscape.
Plant Disease In Oregon Ketzel Levine goes into the field with John Griesbach, plant pathologist for the Oregon Department of Agriculture, to track down plants possibly infected wtih Sudden Oak Death.
Chlorophyll Art Ketzel travels to Palo Alto., Calif., to profile the young Vietnamese photographer, Binh Danh, who uses the power of the sun to print pictures on leaves.
The Quick and Dirty Tour It has been so very, very long since Ketzel's opened the doors to her garden. After a few months (or was it weeks?) of stability, there's change in the works. But you can't be surprised if you call yourself "Gardener."
The Quest for Erythronium Looking for wildflowers is a day's outing for most of us, but for Englishman Keith Wiley it's a pilgrimage worthy of 6,000 miles. Ketzel caught up with Keith and his wife, Ros, in the Oregon woods.
A Botanical Walk in the Woods Ketzel won't carry on too much about the explosion of life and color that is springtime in the Columbia Gorge, but here's a bit of the splendor now blooming.