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Reporting
We would not advise diggingWe would not advise digging up the plants; it would be better to sow some new seeds; the staggered planting will grow in nicely. It might have just been too cold for germination. For a better rate of germination, try folding the seeds in a dampened paper towel and place in a plastic bag overnight. You could also try clipping the edge of the hard seed coat with some fingernail clippers to give it fast access to moisture.

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