By late afternoon, the light in Unionville turns honey-colored. It catches the edges of old stone walls and settles softly across the rolling fields beyond Wollaston Road, where horses graze behind white fencing, and cyclists drift quietly through the crossroads village. Outside the Unionville post office, conversations pause easily into silence. The landscape does not seem in a hurry to move anywhere.
A few miles east, the fountains at Longwood Gardens erupt skyward in perfect synchronization while visitors gather beneath towering conservatory glass filled with orchids, citrus trees, and the humid scent of damp soil. The contrast between the internationally known gardens and the quiet rural roads surrounding them can feel almost startling — one of the world’s great horticultural destinations set inside a township that still carries the rhythms of an older Chester County.
That balance has become East Marlborough Township’s defining character.
Even as southern Chester County experiences continued growth and rising development pressure, East Marlborough remains anchored by landscapes that have changed remarkably little over generations: preserved farmland, Quaker villages, winding country roads, and historic districts where stone farmhouses still sit close to fields first cultivated in the 18th century. The township’s identity is tied not to a single landmark, but to the unusual coexistence of global tourism, deep agricultural roots, and an enduring sense of rural permanence.
“You can drive five minutes from one of the most famous gardens in America and still end up on a road where nothing but the seasons feels different,” says a longtime Unionville resident. “That’s rare now.”
The township’s history reaches back to 1729, when the original Marlborough Township was divided into East and West Marlborough. Much of the landscape still reflects those early settlement patterns. The Penn Oak trees — long associated with William Penn’s exploration of the region — remain woven into local identity, their massive canopies standing above roads and pastures like living historical markers.
In villages such as Marlborough and Unionville, the architecture preserves that continuity with unusual clarity.
The Unionville Village Historic District, with its 69 contributing buildings dating back to around 1750, remains one of Chester County’s most intact crossroads communities. Stone houses, former taverns, barns, and small commercial structures cluster naturally along narrow roads shaded by mature trees. Unlike more heavily commercialized historic districts, Unionville still feels lived in rather than staged.
Morning traffic here includes horse trailers, landscapers, luxury SUVs, and cyclists sharing the same roads through open countryside. Wealth and agricultural tradition exist side by side with surprising ease.
That coexistence is visible throughout East Marlborough. The township’s median household income now exceeds $155,000, yet large portions of the landscape remain agricultural and wooded. Conservation efforts, zoning protections, and historic-preservation oversight have helped maintain long views across fields and valleys that might otherwise have disappeared beneath suburban expansion.
At Green Valley Historic District, those preserved landscapes become part of the architecture itself. Rolling farmland folds around old stone farmsteads and tree-lined lanes in patterns that have remained largely intact for centuries. Nearby South Brook Farm and the Gideon Wickersham Farmstead preserve the restrained elegance of Chester County’s agricultural heritage — practical buildings built with craftsmanship substantial enough to outlast generations.
Even the township’s grander estates remain tied closely to the surrounding landscape.
Cedarcroft, the Gothic Revival home built by writer and diplomat Bayard Taylor in 1859, rises from former orchards and rolling fields with pointed gables and tall windows that seem designed for another era’s romantic imagination. Taylor envisioned the estate not merely as a house, but as a cultural refuge — a place where literature, landscape, and rural life merged into a distinctly American ideal.
That same blending of artistry and environment ultimately found its grandest expression at Longwood Gardens.
Originally shaped by Pierre S. du Pont, Longwood transformed a historic arboretum into one of the world’s premier public gardens through a combination of engineering ambition and botanical obsession. Yet despite its international stature, the gardens remain deeply connected to the agricultural and horticultural traditions of southern Chester County.
Season after season, visitors arrive for illuminated fountain shows, chrysanthemum displays, spring blooms, and winter conservatory exhibits. Many never realize that beyond the gates lies an entire township still defined by old villages, preserved farms, and roads where the night sky remains surprisingly dark.
As evening settles across East Marlborough, the crowds at Longwood gradually thin while quiet returns to the surrounding countryside. Porch lights flicker on in Unionville. The last sunlight fades across stone barns and pasture fences. Somewhere beyond the tree lines, cicadas begin humming again through the warm air.
And for a moment, the township feels suspended between centuries — still rooted deeply enough in its landscape to remember exactly what it has always been.
Support the local news that supports Chester County. MyChesCo delivers reliable, fact-based reporting and essential community resources—free for everyone. If you value that, click here to become a patron today.