136 Basic Perennial Garden PlantinG & Maintenance
Encyclopedia of Perennials
<084_PLACEHOLDER><DESIGNER TO
CHOOSE><CAPTION TO COME FROM TDA IN
PAGEPROOFS>Many native plants such as Joe
Pye weed (Eutrochium
maculatum), heliopsis
(Heliopsis helianthoides), and
purple coneflower (Echinacea
purpurea) respond to pruning
prior to flowering, either to
reduce the need for staking or
to delay flowering.