'Thunderhead' is richly colored and one of the best of the newer sedum varieties. https://t.co/iGKHyR1JDC

— FrozeBudd (@Terry07233422) 2020.3.20

Sedum 'Thunderhead' - Huge, deep rose flower heads. Very stout, upright stems are a mid-border marve pinterest.com/pin/5450763611…

— CLARA MATXAIN (@CMatxain) 2015.7.27

Sedum 'Thunderhead' and heuchera http://t.co/QX0w8mSU33

— Татьяна Ткаченко (@tatyana352) 2015.3.19

Terra Nova Nurseries - Professional Growers - Sedum 'Thunderhead' http://t.co/CMbo8aBSNM

— sensible gardening (@SGardening) 2015.2.21

Sedum 'Thunderhead' - Huge, deep rose flower heads that look like Oregon's summer thunderhead clouds http://t.co/kmlepGNzih

— Dave Townsend (@THGarden) 2014.11.7