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Zantedeschia elliottiana
Species; tuberous calla lily
At‑a‑glance
- Group/Class: Species; tuberous calla lily
- Height × spread: 20 to 35 in (50 to 90 cm) × 12 to 18 in (30 to 45 cm)
- Bloom window: Early summer to midsummer
- Color & flower form: Golden yellow spathe with yellow spadix; funnel form; leaves spotted
- Fragrance: 0 none
- USDA hardiness: Zones 8 to 10; grown as annual or lifted in colder zones
- Breeder / Year / Origin: Unknown, unknown, origin uncertain
- Cut‑flower notes: Medium to sturdy stems; typical vase life 7 to 10 days
- Pet safety: Avoid
How it differs
- Summer blooming rather than late spring in many regions.
- Distinct golden yellow spathes with spotted foliage.
- Tuberous bulbs prefer free draining soils and do not suit pond margins.
- More compact than white arum forms.
Strengths
- Strong color impact in beds and pots.
- Produces multiple stems in warm summers.
- Useful for cutting when the spadix is visible.
Care in one minute
Site: full sun to light afternoon shade in hot areas.
Soil: loose and organic and well drained; avoid waterlogging.
Watering: keep evenly moist in active growth; allow the top inch to dry slightly between waterings in pots.
Feeding: give light monthly fertilizer during growth.
Grooming: remove spent spathes; keep foliage until it yellows naturally.
Overwintering: dig and store dry at 50 to 55°F (10 to 13°C) outside zone 8.
Watch‑outs
- Soft rot risk if overwatered or soils stay cold and wet.
- Frost sensitive; lift tubers before the first freeze.
- Cool spring soils can delay or reduce flowering.
Best uses (tags)
Provenance note
Recognized in cultivation; listed by the RHS and World Flora Online with uncertain wild origin in southern Africa.
References
- Royal Horticultural Society – Zantedeschia elliottiana
- World Flora Online – Zantedeschia elliottiana
- SANBI – Red List: Zantedeschia elliottiana
- ASPCA – Calla lily toxicity
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