My Mama useta put big glass jars over them about this time of year. They'd stay through really hard frosts.
BTW -- You musta stuck your psyche in the military. That looks like the front yard of a Bird Colonel in a basic training facility.
Mongo most ricky-tick impressed. You oughta see my front yard. It is an impassible jungle (I have not gone through it in the 23 years since I had the Chateau built). A mix of some small coconut palms (where I tossed some coconuts that fell from a tree I planted as a coconut when I moved in) and a mix of Passion Flower vines, deliciosa (AKA: Split-Tail ferns), acai bushes, pine trees, swamp maple, and other unnamable plants.
Here's a deliciosa plant -- the corncob lookin' thing is yummy edible. When ripe, the square green pieces just come right off, and the "corncob" inside tastes like a pear dipped in honey.
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Cannot see the street through it.