Sedum spectabile 'Autumn Joy' ~ Autumn Joy Stonecrop climbing (3) Clethra alnifolia 'Ruby Spice'

(3) Clethra alnifolia 'Ruby Spice' (Summersweet) Photo by F

Hydrangea quercifolia is one of the species of hydrangea that acts as a pollinizer

IMAGES: Stan Shebs

It's also tolerant of urban pollution

Sedum spectabile 'Autumn Joy' ~ Autumn Joy Stonecrop climbing (3) Clethra alnifolia 'Ruby Spice'Autumn Joy Stonecrop is a tough upright clumping evergreen succulent with large light green scalloped fleshy foliage. Large disk shaped clusters of small pink star shaped flowers that mature to russet cover the plant in late summer to fall attracting butterflies. Grows best in full sun and dry to medium well drained soils. Drought and heat tolerant once established. Type: Succulent Height: 1. 5 2' Spread: 1. 5 2' Spacing: 1. 5 USDA Hardiness Zone: 4 9