| Esperanza | |
| Trumpet Flower | |
| Yellow Bells |
| Plant Habit: | Vine |
| Life cycle: | Perennial |
| Sun Requirements: | Full Sun |
| Water Preferences: | Mesic |
| Soil pH Preferences: | Extremely acid (3.5 – 4.4) Strongly acid (5.1 – 5.5) Slightly alkaline (7.4 – 7.8) |
| Minimum cold hardiness: | Zone 3 -40 °C (-40 °F) to -37.2 °C (-35) |
| Maximum recommended zone: | Zone 9a |
| Leaves: | Unusual foliage color Needled |
| Flowers: | Malodorous |
| Flower Color: | Russet |
| Flower Size: | Under 1" |
| Flower Time: | Late summer or early fall Fall Late fall or early winter Winter Year Round Other |
| Underground structures: | Taproot |
| Wildlife Attractant: | Bees Birds Hummingbirds Other Beneficial Insects |
| Conservation status: | Extinct (EX) |
