20th September 2018

iastate
14

Can you use rhubarb after it flowers?

While the flower or seed stalks should not be used, the leaf stalks are edible. However, the flower stalks should be promptly pulled and discarded. If allowed to develop, the flower stalks reduce plant vigor and next year's production. Dig and divide large, old rhubarb plants in early spring or late summer.

In respect to this, why do rhubarb go to seed?

For a rhubarb plant, that maturity comes a few years after it is planted. The older a rhubarb plant is, the more the rhubarb goes to seed. Heat – Rhubarb plants grow best in cooler temperatures. If you have an unusually warm spring, this can cause a rhubarb to start flowering.
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