In photos: RHS Chelsea Flower Show in full bloom

This year's RHS Chelsea Flower Show was delayed from its usual spring dates due to the COVID-19 pandemic, which also prompted its cancellation last year. Previously, only the two World Wars had caused the event's suspension.

A woman with a themed hat attends the RHS Chelsea Flower Show, London, Britain, Sept. 20, 2021.

The Chelsea flower show is held annually in the grounds of the Royal Hospital Chelsea.

Details of a floral installation is seen at the RHS Chelsea Flower Show, Sept. 21, 2021.

World-renowned and quintessentially British, the annual show is a celebration of horticultural excellence and innovation.

A visitor views a floral installation at the RHS Chelsea Flower Show, delayed from its usual spring dates, Sept. 21, 2021.

A dried flower design depicting a human skull is displayed at the RHS Chelsea Flower Show, Sept. 20, 2021.

A woman wearing a tomato-themed hat poses for a photo during the 2021 RHS Chelsea Flower Show in London, Sept. 20, 2021.

The detail of a floral installation is seen at the RHS Chelsea Flower Show, Sept. 21, 2021.

A woman wearing clothing made from dried flowers attends the RHS Chelsea Flower Show, Sept. 20, 2021.

A visitor attends the Chelsea Flower Show taking pictures of the flowers on display, Sept. 22, 2021.

The detail of a fuchsia display is seen at the RHS Chelsea Flower Show, Sept. 21, 2021.

Visitors attend the Chelsea Flower Show, Sept. 22, 2021.

Vegetables artfully stacked are displayed at the RHS Chelsea Flower Show, Sept. 21, 2021.

A visitor views vegetable displays at the RHS Chelsea Flower Show, Sept. 21, 2021.

Visitors view the hand sculpted repurposed van "Delays Expected" by Dan Rawlings, on display at the RHS Chelsea Flower Show, Sept. 21, 2021.

A visitor with a couple of flowers arranged on her head attends the Chelsea Flower Show, Sept. 22, 2021.

A visitor attends the Chelsea Flower Show, Sept. 22, 2021.

A stall worker tends to a rose garden at the Chelsea Flower Show, Sept. 22, 2021.

A man carves a gorilla's face into a pumpkin on the "All Carved Out" stand on Chelsea Flower Show's press day, Sept. 20, 2021.

A visitor views a display at the RHS Chelsea Flower Show, Sept. 21, 2021.

An Aster, on display at Chelsea Flower Shows' press day, Sept. 20, 2021.

Hesperanthas on display at Chelsea Flower Shows' press day, Sept. 20, 2021.

A Rudbeckia peeks out behind a leaf, in a garden at Chelsea Flower Shows' press day, Sept. 20, 2021.

Water trickles through a sculpture at the Chelsea Flower Show, Sept. 22, 2021.

Details are seen of a fuchsia display at the RHS Chelsea Flower Show, Sept. 21, 2021.

A garden exhibit designer wears shoes with a ladybirds design at the RHS Chelsea Flower Show in London, Sept. 20, 2021.

A display of flowers are pictured during the 2021 RHS Chelsea Flower Show in London, Sept. 20, 2021.

A close-up of a dahlia at the RHS Chelsea Flower Show, Sept. 20, 2021.

Members of the public enjoy the displays in the main pavilion at the Chelsea Flower Show, Sept. 22, 2021.