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.
How To Collect Hollyhock Seeds. 1  The first hollyhocks I grew in my garden were black hollyhocks in memory of an old neighbor who grew them when I was a kid. These hollyhocks were biennial, from seed they take two years to complete a life cycle, and I didn't save any seeds and so lost both of them.