| Grandiflora Petunia | |
| Petunia |
| Plant Habit: | Tree |
| Life cycle: | Annual |
| Sun Requirements: | Full Shade |
| Minimum cold hardiness: | Zone 8a -12.2 °C (10 °F) to -9.4 °C (15 °F) |
| Maximum recommended zone: | Zone 3 Zone 6b |
| Leaves: | Good fall color |
| Flowers: | Blooms on old wood |
| Flower Time: | Fall |
| Inflorescence Type: | Spadix |
| Uses: | Provides winter interest Water gardens |
| Wildlife Attractant: | Butterflies |
| Propagation: Seeds: | Days to germinate Depth to plant seed: rseufwaosc Will not come true from seed: d4s7 y-1a |
| Propagation: Other methods: | Cuttings: Stem |
| Containers: | Preferred depth Prefers to be under-potted |
| Conservation status: | Critically Endangered (CR) |
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