Details of...
Scientific Name: Zantedeschia cvs.
Pronunciation: zan-teh-DESK-ee-uh
Common Name: calla lily
Family Name: Araceae
Plant Type: Flowering cut plant, Flowering pot plant, Herbaceous perennial
Key ID Features: Rhizomes only; leaves basal, large, arrowhead-shaped, forming clumps to 60-90 cm tall, flowers minute and in a yellow finger-like spadix surrounded by a bright white or colorful bract (the spathe).
Course(s): HORT 1193/1293

Habit: Upright
Form: Oval - vertical
Texture: Medium - coarse
Mature Size:
Height:0.7 - 1.3m
Spread:0.3 - 0.6m
Growth Rate:Fast
Origin: Africa, Garden origin
Hardiness Rating: Zone 8a: (-12 to -9.5 C)
Exposure: Full sun
Soil/ Growing Medium: Well-drained
Water Use: Moderate
Landscape Uses: Aquatic - ponds, Container planting, Cut flower or foliage, Floristry, Indoor plant, Mixed shrub border, Perennial border, Summer interest
Additional Info: Google. Cultivars or species shown or on campus may include Z. ‘Edge of Night’ (velvety purple-black spathes), Z. 'Captain Chelsea" (bicolour spathes), Z. jucunda (yellow spathes).
calla lily
Leaf Morphology: Glossary
Form: Simple
Arrangement: Basal
Texture/ Venation: Parallel venation, Soft flexible
Surfaces: Glabrous
Leaf(let) Terms:
Shapes: Deltoid, Elliptic
Apices: Acute
Bases: Hastate
Margins: Entire, Undulate (wavy)

Inflorescence Type: Spadix (& spathe)
Flower Morphology:Monoecious plant
Number of Petals:0
Colour (petals): Showy, White, Yellow, Pink, Black
Flower Time at Peak: Jun, Jul, Aug

Fruit Type: Berry (true)
Fruit Colour: Orange, Green, Yellow
Fruiting Time: Sep, Oct
Additional Info: Fruit insignificant

Bark or Stem Colour:
Organ Modifications: Leaf-like bracts, Rhizomes

Propagation: Division - below ground parts
Plant Care:
Pest Susceptibility: Mold, Root rot, Scale insects, Slugs or snails,
(BED) BEDding, container, or basket
(GNH) GreeNHouse
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