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Geophyte
Organ: Fleshy
rhizome |
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Light
Requirements: Full-AM Sun |
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Height:
12-60 inches (30-150 cm)
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Flowering
Season: Summer
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Flower
Color: Blue, pink, white
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Planting
Time: Spring |
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Planting
Depth: Cover 1 inch (2.5
cm)
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Spacing
Between Rhizomes: 8 inches (20 cm) |
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Hardiness:
Semi-hardy
- injured below 28°F (-2°C)
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Bulb
Storage: Two overwintering systems
are available. They are: (1) Leave fleshy rhizomes in container with slightly
moist planting medium and place at 35-41°F (2-5°C). (2) Place container
in cool [35-41°F (2-5°C)] greenhouse and water sparingly during
the winter. Return to growing area in spring. |
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Comments:
Primarily
used as a pot plant but can be grown as a border plant; prefers
well-drained soil |
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Cultivars: A.
africanus,Albus (white), Blue Baby (15"; light blue), Blue
Triumphator (blue), Donau (light blue), Elaine (50"; blue-violet;
evergreen), Ellamae (66"; blue-violet), Headborne,
Intermedius (dark blue), Kobalt (blue; 12-20"), Purple Cloud
(60"; purple), Storm Cloud (70"; bluish purple) |
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USDA
Hardiness Zones
| 2 |
3 |
4 |
5 |
6 |
7 |
8 |
9 |
10 |
11 |
| - |
- |
C |
C |
C/M |
H |
H |
H |
H |
H |
C=container; H=hardy; M=hardy with mulch; Sp=plant spring, harvest fall;
F=fall plant
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© Erv Evans, A. A. De Hertough
Shoprights NC State University
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