Q&A for How to Grow Calla Lilies

If it's inside what looks like the leaf or petalm then they're seed pods. They're ready when they're a bran/cream color. Let them dry out and you can take seeds out of the pods.

Any number of factors could have caused this, including lack of water, too much water, inhospitable temperatures, not enough sunlight, unsuitable soil, etc.

Yes, calla lilies are poisonous. You should take step to keep them away from children and pets, including dogs, cats, and other animals. Ingestion of a calla lily can cause burning and swelling of the mouth and throat, as well as stomach upset.

Calla lilies planted in the ground tend to bloom without too many problems. When they fail to bloom, it is because of one of three reasons: too much nitrogen, lack of water or lack of sun.

I do and mine have come back for 3 years now. I just mulch really well in the fall.

Yes, they are. Though the highest level of insoluble calcium oxalates is located in the bulbs, calla leaves also contain these toxic crystals.

Something likely broke them... maybe a cat or kids might have trodden on them.

Too much water. Make sure you have better drainage by adding some sand to your potting mix and/or gravel in the bottom of the pot. Make sure your pots have drainage holes, and only water every 5 days.

It might be too little sun, the wrong fertilizer, or it could be the bulb. Some varieties fall asleep during summer and wake up in fall due to reverse seasons of their South African home. Some bulbs aren't mature enough to produce blooms.

It's showing signs of shock from extreme environmental changes, i.e. a sudden change in temperature or light. Flowers and colored leaves are the first victims of shock, while other parts live on.

If they are old, yes. Those are dying and going to seed. If they are new flowers, do not cut them.

Unless you're into growing callas from seeds or using them in arrangements, then no.