Founded in New York City, The Sill, Inc. is dedicated to making the experience of bringing plants into homes and offices accessible and enjoyable. With a core mission to inspire people to nurture plants and, in turn, nurture themselves, The Sill offers a wide range of potted plants, planters, and plant care products both online and in physical retail stores across the United States. The company aims to demystify plant care and foster a community of plant enthusiasts through educational content and personalized customer service.

Notable figures associated with The Sill include founder Eliza Blank, who has been instrumental in driving the company's vision and growth. The Sill has attracted significant investment from venture capital firms such as Raine Ventures and Brand Foundry Ventures. Key achievements include expanding their product line to include subscriptions and faux plants, as well as establishing a strong online presence complemented by brick-and-mortar stores. The Sill's impact is evident in its role in popularizing indoor gardening and contributing to the wellness trend by making plant ownership more approachable.