Star thistle

Star thistles are not only pesky and sometimes painful weeds; they’re invaders which can take over and spread quickly, crowding out native grasses. This plant may have arrived in California as early as 1848 — and we’ve been fighting those darn “stickers” ever since!

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Purple milkweed

I had no clue what plant this was when I first photographed it, and Google’s image search didn’t provide much help. Part of my trouble was that I couldn’t guess what the flowers would look like once the buds opened. So I waited for about a week and then went back to check on developments. This purple milkweed (Asclepias cordifolia) […]

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