Bells perennis generally blooms from early to midsummer, although when grown under ideal conditions, they have a very long flowering season and will even produce a few flowers in the middle of mild winters.
It can generally be grown in USDA Zones 4 – 8 (i.e. where minimum temperatures are above −30 °F (−34 °C)) in full sun to partial shade conditions, and requires low or no maintenance.
It has no known serious insect or disease problems and can generally be grown in most well-drained soils.

The plant may be propagated either by seed after the last frost, or by division after flowering.
Can guinea pigs eat daisies?
Daisies are fine for guinea pigs to eat.
For more foods that guinea pigs can and can’t eat check out our GUINEA PIG FOOD LIST