Calla lily: planting, dividing and storing the rhizome

Store	Rhizome. Grows horizontally and is segmented, with a shoot at the growing tip.
Depth	5-10 cm to the base of the rhizome
Spacing	30-45 cm apart
When	Tender: start indoors, plant out after frost. Start indoors: 6 weeks to 3 weeks before your last spring frost. Plant out: from your last spring frost to 2 weeks after. Work out your dates.
Pets	Toxic to Dogs, Toxic to Cats (ASPCA)

Store

Rhizome. Grows horizontally and is segmented, with a shoot at the growing tip.

Depth

5-10 cm to the base of the rhizome

Spacing

30-45 cm apart

When

Tender: start indoors, plant out after frost. Start indoors: 6 weeks to 3 weeks before your last spring frost. Plant out: from your last spring frost to 2 weeks after. Work out your dates.

Pets

Toxic to Dogs, Toxic to Cats (ASPCA)

About Calla lily

Arum-like flowers from a fat tuberous rhizome. Hardy only in mild regions, otherwise lifted or potted.

Depth and spacing

Typical range: 5-10 cm deep and 30-45 cm apart. A general rule is to plant at two to three times the height of the rhizome; check the label for your variety. The drawing is to scale for 7.5 cm deep and 37.5 cm apart (the size of the organ is illustrative); try your own measurements.

When to plant

Tender: start indoors, plant out after frost. Start indoors: 6 weeks to 3 weeks before your last spring frost. Plant out: from your last spring frost to 2 weeks after. These are rules of thumb for the northern hemisphere. Enter your frost dates for real dates.

Dividing and propagating

Break off or cut offsets in spring, each with a shoot.

Lifting and storing

Lift after frost, dry slightly and store in just-damp compost, frost-free.

Toxic to Dogs, Toxic to Cats

The ASPCA lists Zantedeschia aethiopica as: toxic to dogs, toxic to cats. Toxic principle: Insoluble calcium oxalates. Signs: Oral irritation, intense burning and irritation of mouth, tongue and lips, excessive drooling, vomiting, difficulty swallowing If your pet has chewed any part, call your vet or an animal poison helpline. ASPCA entry.