Zone 4: Plant in spring; water in dry periods during growing season; after first hard frost, build protective cage around and 6" taller than shrub and fill with compost or shredded leaves; prune back 1/3 to 1/2 in late winter; may suffer significant dieback. Marginally hardy in this zone.
Zone 5: Plant in spring; water in dry periods during growing season; after first hard frost, build protective cage around and 6" taller than shrub and fill with compost or shredded leaves; prune back 1/3 to 1/2 in late winter; may suffer some dieback.
Zone 6: Plant in spring; water in dry periods during growing season; after first hard frost, mound compost or shredded leaves several inches deep above crown; prune back 1/3 to 1/2 in late winter.
Zone 7: Plant in early spring or early fall; water in dry periods during growing season; after first hard frost, mound compost or shredded leaves several inches deep above crown; prune back 1/3 in late winter.
Zone 8: Plant in early spring or early fall; water in dry periods during growing season; after first hard frost, mound compost or shredded leaves several inches deep above crown; prune back 1/3 in late winter.
Zone 9: Plant in early spring or early fall; water in dry periods during growing season; watch for fungal diseases year round; apply light fertilizer in November; prune back 1/3 after blooming which can continue into December.
Zone 10: Plant in early spring or early fall; water in dry periods during growing season; watch for fungal diseases year round; apply light fertilizer in November; prune back 1/3 after blooming which can continue into December.
Gardening by Zip Code If you're looking to start a gardening project but don't know your gardening zone—visit the National Gardening Associations's USDA Hardiness Zone Finder. Enter your Zip Code to identify the proper zone.
