{"id":7381,"date":"2026-03-11T17:19:33","date_gmt":"2026-03-11T16:19:33","guid":{"rendered":"https:\/\/museumnachtleiden.nl\/programma\/workshop-turning-coffee-grounds-into-oyster-mushrooms\/"},"modified":"2026-03-11T17:19:33","modified_gmt":"2026-03-11T16:19:33","slug":"workshop-turning-coffee-grounds-into-oyster-mushrooms","status":"publish","type":"programma","link":"https:\/\/museumnachtleiden.nl\/en\/program\/workshop-turning-coffee-grounds-into-oyster-mushrooms\/","title":{"rendered":"Workshop &#8211; Turning coffee grounds into oyster mushrooms"},"content":{"rendered":"<p>Did you know that humans wouldn\u2019t exist without fungi? And who knew that some fungi can clean polluted soil? You\u2019ll learn this and much more during the Fungi Factory workshop about mushrooms and fungi. <\/p>\n<p>During this workshop, Wieger will take you on a journey into the wonderful world of fungi. You\u2019ll also make your own grow bag, in which mushrooms use waste materials as their growing substrate. And to top it off, a few weeks later you\u2019ll be able to harvest your very own mushrooms! <\/p>\n<p><img fetchpriority=\"high\" decoding=\"async\" class=\"aligncenter wp-image-7371 size-large\" src=\"https:\/\/museumnachtleiden.nl\/wp-content\/uploads\/2026\/03\/Foto1_Gravensteen_Workshop-Van-koffiedik-tot-oesterzwam-819x1024.jpg\" alt=\"\" width=\"819\" height=\"1024\" srcset=\"https:\/\/museumnachtleiden.nl\/wp-content\/uploads\/2026\/03\/Foto1_Gravensteen_Workshop-Van-koffiedik-tot-oesterzwam-819x1024.jpg 819w, https:\/\/museumnachtleiden.nl\/wp-content\/uploads\/2026\/03\/Foto1_Gravensteen_Workshop-Van-koffiedik-tot-oesterzwam-240x300.jpg 240w, https:\/\/museumnachtleiden.nl\/wp-content\/uploads\/2026\/03\/Foto1_Gravensteen_Workshop-Van-koffiedik-tot-oesterzwam-768x960.jpg 768w, https:\/\/museumnachtleiden.nl\/wp-content\/uploads\/2026\/03\/Foto1_Gravensteen_Workshop-Van-koffiedik-tot-oesterzwam-1229x1536.jpg 1229w, 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768w, https:\/\/museumnachtleiden.nl\/wp-content\/uploads\/2026\/03\/Foto2_Gravensteen_Workshop-Van-koffiedik-tot-oesterzwam-1536x1024.png 1536w, https:\/\/museumnachtleiden.nl\/wp-content\/uploads\/2026\/03\/Foto2_Gravensteen_Workshop-Van-koffiedik-tot-oesterzwam-2048x1365.png 2048w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><br style=\"font-weight: 400;\"><br style=\"font-weight: 400;\"><\/p>\n","protected":false},"featured_media":7377,"parent":0,"template":"","meta":{"site-sidebar-layout":"default","site-content-layout":"","ast-site-content-layout":"default","site-content-style":"default","site-sidebar-style":"default","ast-global-header-display":"","ast-banner-title-visibility":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"","ast-breadcrumbs-content":"","ast-featured-img":"","footer-sml-layout":"","ast-disable-related-posts":"","theme-transparent-header-meta":"default","adv-header-id-meta":"","stick-header-meta":"default","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"default","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center 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