Dudleya brittonii, the Giant Chalk Dudleya from Baja California. Now don’t argue with me here – I have an answer for any objections you might have to my answer below.

Q: How do you differentiate between a dudleya and a echeveria?

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They are very closely related! But Dudleyas are California native and summer dormant, while Echeverias are Mexican and winter dormant. Also Echeveria flowers are more brightly colored.