Internet told me that they might be, I did some reading when I got them last year. But so far I haven’t found them to be too difficult. I started them inside in pots last year so they were already a bit bigger when I planted them outside as the plants don’t like cold much.

But this year I just cut of the stems and left the bulbs in the ground the entire winter (you can also dig them out of the ground and keep the bulbs inside to protect them from the cold), as we get mild winters over here. And all of the bulbs have sprouted againt this year.

I find snails and slugs like them quite a lot, especially the small plants, so if you have a lot of those it might be wise to start the plants inside. They flower from summer to fall, and I’ve found that they flower for longer and with more flowers if you pinch out the tops of the small plants and remove wilted flowers.

I’d definitely recommend them!