Find out about 17 plant varieties and how to care for them in specific zones.
More in Outdoors
- Trailing tender perennial grown as an annual for its profusion of blue flowers from spring until frost
- Plant in loose organic soil that is well-drained
- Plant in full sun; can be used as a groundcover or in containers
- Tolerates heat
- Height:8-12 inches
- Width: 24-36 inches
- Annual in zones 2-7
- Hardy in USDA zones 8-11:
Zones 2-7: Plant in spring after danger of frost has passed; plant in full sun; water when dry; remove plants after killing frost; can be brought indoors prior to frost and grown as a houseplant.
Zones 8-11: Plant in spring after danger of frost has passed; plant in full sun; water when dry; prune back by 1/2 in fall.