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Eastern Tiger Swallowtail (Papilio glaucus) on stick rosinweed (Silphium glutinosum).

Silphium Design LLC

Silphium Design Services

WordPress Development

Development of Responsive Websites.

Content and Blog Creation

Content for Websites and help with Blog Writing.

Hosting and Maintenance

cPanel Hosting and Maintenance of Websites.

Search Engine Optimization

Search Engine Optimization for Websites.

Conservation Markets We Serve

Organizations

Botanical Societies

Watershed Associations

Land Conservancies

Land Trusts

Businesses

Native Plant Nurseries

Landscapers

Botanical Gardens

EcoTourism

Governmental

Municipalities

Environmental Commissions

Conservation Initiatives

Information Websites

Testimonials


Silphium flower on a transparent background.

Kim R. – Expressly Written, LLC

“Robert is both knowledgeable and passionate about the work he does making websites user-friendly for those with disabilities. There are simple, yet key changes you can make to your website that helps others.”

Silphium flower on a transparent background.

Jacob H. – Tri-State Mulch

“Robert is very knowledgeable in web design and always takes the time to answer all my questions.”

Silphium flower on a transparent background.

Paula R. – Aqua Community Relations

“Robert’s encyclopedic understanding of the environment inspires me to dig deeper and make good choices.”

Robert Coxe in tan sweater with background removed.

Bridging the Gap between environmental needs and technology

Robert Coxe, Founder and Owner of Silphium Design LLC, studied plant taxonomy and ecology in college and is former State Ecologist for Delaware and former President of the Pennsylvania Academy of Science.