Dead head spring bulbs. Prune hydrangeas by cutting back old flowerheads to first pair of strong buds, and cut up to a third of oldest stems back to their base.
Cornus and Salix grown for winter colour can be cut back hard now. Apply general purpose fertiliser and mulch to beds and borders. Start putting supports in place for herbaceous perennials. [Read more…] about 2019 March Gardening Tips by Wellie