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When can I plant annual flowers? The nurseries are full of them. Is it warm enough? Annuals are not frost-hardy. The traditional “safe” planting date is Mother’s Day, but in most … ...
Albedometer measuring frost flowers on young ice Frost flowers on the ice shelf near Barrow, Alaska. The image was captured as part of a study by the OASIS project 2009 The OASIS project pursues ...
Frost flowers happen in late fall after a few hard freezes and while the ground is still warm. They don't stick around for long, disappearing on the day they show up, melting away like frost in ...