Bloomcore , also known as Flowercore , is an interior design and lifestyle aesthetic that celebrates nature through a focus on floral and botanical imagery. Emerging from social media platforms like TikTok and Pinterest in the late 2010s, it is often considered a more specific offshoot or "informal sibling" of Cottagecore .

The aesthetic is characterized by its use of floral patterns, naturalistic color palettes, and a general theme of bringing the beauty of a garden into the home.

Bloomcore is most prominently expressed through interior decorating. The style encourages layering floral elements to create a lush, botanical atmosphere.

A central feature is the use of floral wallpaper and fabrics. This can range from traditional, romantic chintz patterns to bold, oversized, or dark floral prints that create a more dramatic, modern feel. Sofas, cushions, curtains, and bedding are often adorned with these prints. The aesthetic incorporates botanical artwork, such as pressed flower art, and decorative objects with floral motifs, including ceramics, candles, and rugs.

Garments often feature ditsy floral prints or larger, more painterly flower patterns on dresses, blouses, and skirts. The color palette is naturalistic, drawing from the colors of the countryside. Accessories like headscarves printed with botanical imagery and hats adorned with floral elements are also common components of the style.

At its heart, Bloomcore is an expression of "biophilic design"; the idea that humans have an innate affinity for nature. The aesthetic seeks to create a connection to the natural world indoors, drawing on the psychological benefits associated with plants and flowers, which have been found to reduce stress and anxiety levels. It romanticizes a quieter, nature-centric way of life, evoking the idealized comfort of a charming country cottage filled with blooming flowers. The trend taps into a sense of nostalgia and a desire for a soothing environment that serves as a refuge from the outside world.