Euphorbia stygiana – Azores spurge

This is an interesting euphorbia at any time of the year, but it really comes into its own in the winter, most especially during a cold snap when some of the lower stem leaves turn a brilliant pillar-box red. It’s not a massive blast of colour; it is one of those small delights that catch you unawares as you turn a corner. E stygiana is one of the rarer species, less often seen than E mellifera to which it is often unfairly compared. Its habit is quite different, lax even, open, and much broader than tall. Ours is at least...

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