It looks like a chartreuse bottle brush ... pot up this plant and take it indoors for the winter. The foxtail fern reproduces by seed instead of spores, so isn’t a true fern.

fluffy stems of pine needle-like leaves. Despite its name, the foxtail fern is technically not as fern; it uses seeds to reproduce, not spores. A member of the asparagus family, the foxtail fern ...