I have picked up this thread, as I have 3 eryngium of the same variety and don't know the best thing to do with them. Some of the leaves are starting to turn yellow and I don't know whether to plant them now or keep in a cold frame over winter.Any advice greatfully received
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I have picked up this thread, as I have 3 eryngium of the same variety and don't know the best thing to do with them. Some of the leaves are starting to turn yellow and I don't know whether to plant them now or keep in a cold frame over winter.Any advice greatfully received