Garlic – 6 weeks later

About 6 weeks ago we planted garlic. Since then, it has grown quite a bit. Only one hard frost and unseasonably mild temps have me concerned. Is this okay? Will it survive when it finally snows and freezes? Should we mulch it? It’s covered with black landscape fabric. Read more about the original planting.

Garlic at 6 weeks
Garlic at 2 weeks