noun
naming or listing many kinds of flowers
Often used in titles of books, exhibitions, or events that feature a wide variety of flowers. The pattern ～尽くし means 'a full array of' or 'all kinds of'.
この図鑑は「春の花尽くし」と題されている。
This illustrated guide is titled 'A Full Array of Spring Flowers'.
展示会では、珍しい花尽くしのコーナーが人気だった。
At the exhibition, the corner featuring all kinds of rare flowers was popular.
noun
design featuring many flowers; multi-flowered pattern
Refers to a decorative motif or pattern that incorporates numerous flowers, often seen in textiles, ceramics, or graphic design.
着物の帯には華やかな花尽くしの模様が織り込まれている。
The kimono sash is woven with a gorgeous multi-flowered pattern.
この皿は花尽くしのデザインで、春らしい雰囲気だ。
This plate has a design full of flowers, giving it a spring-like feel.
Compound of 花 (flower) and 尽くし (exhaustive listing, from verb 尽くす 'to exhaust'). The 尽くし element is a suffix that indicates a comprehensive collection or enumeration of something.