Herbaceous plants should be supported before they are too tall! How to make cheap plant supports: http://j.mp/j72hUk
Cut back the foliage and stems of dead herbaceous plants! One herbaceous plant is Texas Bull Nettle: http://j.mp/9V2ZqZ
Check herbaceous peonies: they may need support. Did you know that Itoh peonies do not need this? http://j.mp/aefdex
Many gardeners leave dead herbaceous plants and grasses uncut over winter to provide food and shelter for wildlife.
Watch out for diseases: Discoloured leaves on herbaceous plants could be leaf and bud eelworm.
Cutting back the foliage and stems of herbaceous plants that have already died back is starting to be a priority.