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Still not out of the woods for frost, but I transplanted the non hardened broom corn and planted some more seeds with them. I also transplanted a couple Marigold and Nasturtium starts with some seeds as well.
I left some space between the tall ornamental grasses as I’ve gotten a cold frame to install on the block above this narrow bed.
Should be fine. You're mostly working to create an insultation boundary that holds heat from the ground without exposing the plants to frigid air which will create frost with moisture. Tenting materials are also pretty cheap if you need to cover a wider area, but don't create as much of a barrier.
Right, but that’s the issue. The cloch put on top of the mulch, doesn’t have any type of seal. It would help with settling frost, but loses the heat sink of the soil. The wind would be able to funnel under and out.
And moving the mulch would take away its benefits of moisture retention haha.