Define sustainable selection
A seasonal collection deserves a stable URL if it comes back and really helps you choose. Prepare products, variations and delivery information before promoting it. An almost empty page created for one keyword will not be useful to the reader.
Link without duplicating
Add a link from the navigation or a parent category and a relevant selection guide. The description must explain the selection criteria, not repeat the sheets. Check that unavailable products don't dominate the page and that filters don't multiply URL copies.
Bring the page to life
After the season, keep the URL if it is still useful, update the selection and remove outdated promises. Check canonicals, Shopify sitemap, and impressions in Search Console. Don’t create a new, identical collection every year without a distinct need.
To continue: the guide “SEO applied to your store” details a method to apply on your site.
Source: https://help.shopify.com/en/manual/promoting-marketing/seo/seo-overview.
