Now that we are several days out from the worst winter could dish out, we advise going ahead and removing all mushy growth from any of your herbaceous plants, as well as things like cacti and succulents. This layer of unappealing mush provided a little protection during subsequent freezes, but with the current warmup and no chance of freezing temperatures in the immediate forecast, getting that stuff cleaned off will allow air circulation and sunshine to return to your plants. Air circulation is your plant’s best friend right now! It plays a very important role in preventing future fungal problems and rot.
Read more from the Houston Botanic Garden.