Grantsburg Community Education Class, 9-18-00
Herbaceous Perennials
Cut back completely to the ground in fall and rake up debris. Examples:
Astilbe
Daylily
Hosta
Monarda
Peony
Phlox, tall
Semi-Herbaceous Perennials
Cut back dead stems and upper foliage in gall, but leave basal foliage. Examples:
Black-eyed Susan
Penstemon
Shasta Daisy
Evergreen Perennials
Cut back only flower stalks or leggy growth in fall.
In spring, only cut winter-damaged foliage and prune to shape.
Basket of Gold (Aurinia saxatile)
Candytuft
Coral Bells
Pinks
Phlox, creeping
Sub-Shrub Perennials
Don’t prune in fall. In spring, wait until you see new leaves sprouting along the stems, then prune back to healthy wood, but leave at least 6” above ground.
Artemisia
Butterfly Bush (Buddleia)
Lavender
Russian Sage
