Sunset®: All zones, as tender annual
USDA: 10-11
Heat Tolerance: Protect from extreme heat
Sun Exposure: Bright shade
Origin: Central America
Growth Habits: Trailing perennial, up to 2 feet tall (60 cm), out of cone-shaped rhizome; dark green, spear-shaped leaves
Watering Needs: Needs constantly moist and acid soil; use well drained peat-moss based soil mix
Propagation: Division
The rhizome can be overwintered in a frost free place for areas that are colder than zone 10. It is a popular plant for hanging baskets. The rhizome should be planted in the spring when the temperature excede 60°F (15°C), in light shade.
Blooming Habits:
Blue, white, or pink tubular flowers, 2.5 inches long and across (6.2 cm), in summer.
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