How to Fertilize monk's rhubarb?
High nitrogen herb feed every two weeks in warm growing months

monk's rhubarb · Rumex alpinus
Also known as: mountain rhubarb
Grows best in moist but well drained soil. Self-seeds freely and also spreads from the roots so can be difficult to control or eradicate. See the advice page on controlling sheep's sorrel for more details
High nitrogen herb feed every two weeks in warm growing months