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Canna × generalis
Hybrid Group
At‑a‑glance
- Group/Class: Hybrid Group
- Height × spread: 2 to 6 ft (0.6 to 1.8 m) × 1 to 2 ft (0.3 to 0.6 m)
- Bloom window: summer to frost (varies by cultivar and climate)
- Color & flower form: red, orange, yellow, pink, white; large open or flared blooms
- Fragrance: 0 none
- USDA hardiness: zones 8 to 11; some hardy in 7 with mulch; annual where colder
- Breeder / Year / Origin: unknown
- Pet safety: safe
How it differs
- Widest range of colors, leaf patterns, and plant sizes in the genus.
- Many compact and container-friendly forms.
- Includes cultivars that are self-cleaning, reducing deadheading.
Strengths
- Long seasonal color with regular grooming and feeding.
- Works from patio containers to bold border drifts.
- Many cultivars feature striking variegated foliage.
Care in one minute
Site: full sun for best bloom; light shade tolerated.
Soil: fertile, well-drained yet moisture-retentive; pH acid to neutral.
Water: keep evenly moist during heat; avoid prolonged drought.
Feed: compost plus a balanced fertilizer in late spring and mid-summer.
Overwinter: lift rhizomes after frost and store at 40 to 50°F in a dry medium in cold zones.
Watch‑outs
- Leafrollers can damage foliage; monitor in warm regions.
- Viral diseases occur; buy clean stock and rogue suspects.
- Rhizomes rot in airless, saturated soils; very tall types need shelter from wind.
Best uses (tags)
Provenance note
Derived chiefly from crosses among species such as Canna indica and Canna glauca or Canna iridiflora; grouped under Canna × generalis.
References
- NC State Extension: Canna × generalis
- Missouri Botanical Garden: Canna (group)
- Clemson HGIC: Cannas
- ASPCA: Canna Lily
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