Nettles
Dry the plants for infusions later in the season. If you live in a moist area like I do in the Pacific Northwest, the nettles need to be dried in a dehydrator to dry completely. Oven and microwave drying? Don't even think about it. Even the lowest temperature on an oven is too high and microwaves destroy the medicine in plants. The key is to fully dry the plants as quickly as possible with the lowest temperature. 95 degrees F. is perfect. Dehydrate until the thickest part of the stem snaps when you bend it. Any flexibility means there is still moisture in the plant which will cause mold if stored at that point. Store your dried nettles in glass jars or food grade (PET) plastic containers. My home made dehydrator is 5 feet high, 4 feet wide and 4 feet deep with 7 trays made with wood frame and screening. It has a fan in the bottom and a heating coil. My nettles dry in about 2 - 2 1/2 days. I keep my herbs in 5 gallon buckets as my business demands a high volume of plants. For home use, you can find dehydrators at local feed stores, Fred Meyer type variety stores, thrift stores and yard sales. Look for ones that have a fan and temperature gauge that can be adjusted. And yes, properly dried nettles will sting, so remember to work with kitchen gloves.
Nettles juiced can be put in ice cube trays for freezing. When frozen, pop out the nettle "sickles," keep them in plastic bags or containers and back in the freezer they go until needed. If you're a vinegar lover, consider making an herbal vinegar with nettles and apple cider vinegar. For information about herbal vinegars and directions on how to make them, click on the Recipes page of my website.