1 More than 3 million people died of COPD in 2012, which is equal to 6% of all deaths globally that year. 2  More than 90% of COPD deaths occur in low- and middle-income countries.  The primary cause of COPD is tobacco smoke (through tobacco use or second-hand smoke).
Hollyhock, Alcea rosea, is a summer blooming biennial that has an upright habit with thick sturdy stems. They are winter hardy to zone 3. Zones 3 to 8 begin blooming mid to late summer. In zones 9 to 10, young plants are set out in fall and bloom early spring through summer. Hollyhocks are drought-resistant.
Cornels. Actually species of dogwoods, both the Cornelian cherry (Cornus mas) and the Japanese cornel dogwood (Cornus officinalis) bear tiny but numerous clusters of golden yellow flowers in early spring, about the time the first spring bulbs, like snowdrops, crocus and winter aconites, bloom.