Five Ways to Freeze Herbs for Later Use -It’s also a great way to store herbs like comfrey, rose, and calendula that can be used for bug bites and sunburns. When you need a little herbal first aid, just reach into the freezer for a quick solution.
Preserve herbs in ice cube trays with olive oil. Freeze in trays and then bag in ziploc bag. Use when cooking by popping herb cube in pan. Herbs that freeze well are: rosemary, sage, thyme and oregano. Oil is infused with herbs.