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Hylotelephium

Common Name: Sedum Stonecrop, Stonecrop

Overview

Cultivars

Cultivar	Height	Spread	Blooms	Sun	Planted
Autumn Joy Stonecrop Hylotelephium spectabile	24-30"	18-24"	Mid to late season	Full Sun	House garden beds Bee pollination garden

Ongoing Management

Insect, Pest, & Disease Control

Deer really love eating the tops of this plant (like the flowers on broccoli). Need to spray throughout the season with deer repellent.

Propagation

Divide in early Spring, just as new growth begins. The division process involves digging up the plant clumps and separating them into sections with a sharp knife, ensuring each section has several shoots and roots. Replanting should be done immediately to promote successful establishment. This method helps rejuvenate the plants and control their size in the garden.

Specific university extension guidance includes:

• Iowa State University Extension: Early Spring is the best time to divide 'Autumn Joy' sedum and similar upright, clump-forming types. Plants should be dug up, divided into smaller clumps with roots, and replanted immediately. Sedums do best in well-drained soils and full sun. (https://yardandgarden.extension.iastate.edu/faq/when-would-be-best-time-divide-autumn-joy-sedum)
• Texas Tech University notes that Hylotelephium spectabile is a clump-forming perennial that can be propagated by division or stem cuttings. (https://www.depts.ttu.edu/plantresources/Pages/directories/landscape-info-sheets/herbaceous-info/Hylotelephium_spectabile.php)
• Arkansas Cooperative Extension recognizes Hylotelephium spectabile (formerly classified as Sedum) as a clump-forming succulent perennial suitable for division to maintain plant health and vigor. (https://www.uaex.uada.edu/yard-garden/resource-library/plant-week/sedum-stonecrop-8-30-13.aspx)

More Information

Books and Papers

• The Well-Tended Perennial Garden (2011), by Tracy DiSabato-Aust (635.932 DIS 2011).

Web Sites

• Dividing Perennials
• Gardenia.net
  • Gardenia.net - Autumn Joy