Gardentalk – Burying buttercups

In this week’s edition of Gardentalk, Master Gardener Ed Buyarski recommends smothering buttercups with cardboard and then layering over with clean garden soil. Buttercups should be covered before they flower and disperse their seeds. The plant, an invasive species imported from Europe, also sends out runners like strawberries.
As long as the layer of soil under the cardboard is not disturbed, the buttercup seeds should remain dormant.
Buyarski also notes there are gardener-favorite flower