Finger Lakes history · regional story
Developing historyThe greenhouse work behind Sonnenberg’s gardens
Sonnenberg’s glasshouses grew fruit, vegetables and flowers for two homes. Their room names still describe the work they were built to do.
Research status
This history is still developing.
Parts of this account remain unresolved. Here is what the sources support, what is uncertain, and what we are looking for next.
About this review. Written and source-checked with AI assistance under an owner-authorized editorial process. This is not a personal review by Riley or an independent historian. Sources and unresolved questions are listed below; corrections are welcome.
- What the records establish
- The institutional account describes a productive greenhouse complex with separate growing and support spaces. The 1903 design date and 1903–1915 construction interval refer to different stages.
- What remains uncertain
- We have not inspected contracts, staff records, fuel accounts or shipping records. They are needed to identify the gardeners, establish the work’s scale and follow produce between the two homes. Current condition and visitor access are outside this account.
- What we are researching next
- Seek Lord & Burnham plans and correspondence, estate garden ledgers, payrolls and produce-shipping records. Follow individual workers and dated tasks as evidence becomes available; no unnamed worker’s experience or working conditions should be invented.
The greenhouses had a job beyond displaying plants. Sonnenberg’s account says they supplied fresh fruit, vegetables and flowers to Mary Clark Thompson’s homes in Canandaigua and New York City. The rooms were specialized: peach and nectarine houses, vineries, melon houses and spaces for flowers appear in the historical list. Gardens & Grounds.
The institution attributes the design to Lord & Burnham in 1903 and gives 1903–1915 as the construction interval. It describes the buildings arranged around central potting sheds, with boilers, a coal pocket and cut-flower storage below. Growing under glass required workspaces and a heat supply as well as planting beds. Gardens & Grounds.
Sources
- Gardens & Grounds — Sonnenberg Gardens & Mansion State Historic Park; Not stated. Locator: The Greenhouse Conservatory Complex(1915): construction interval 1903–1915, layout and room list; History subsection design 1903 and produce for two homes. Accessed October 22, 2026.