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.
Hollyhocks can grow to 8 feet or more in height and produce large flowers in shades of purple, pink and yellow. A major problem with hollyhocks is a fungal disease called rust which can survive on infected plant parts from year to year.Other pests such as weevils, caterpillars and slugs can damage or kill your hollyhocks.ollyhocks can grow to 8 feet or more in height and produce large flowers in shades of purple, pink and yellow. A major problem with hollyhocks is a fungal disease called rust which can survive on infected plant parts from year to year.