Use extra light inside the room.
Try to plant in a location that enjoys full sun and remember to water moderately. Keep in mind when planting that Jamaican Bell is thought of as tender, so remember to wait until your soil is warm and the night time temperature is well above freezing before moving outside.By our calculations, you should look at sowing Jamaican Bell about 180 days before your last frost date.
Planting out then temperature at night is over +8°C.
Ensure that temperatures are mild (minimum night temperatures should be around 18°C / 64°F) and all chance of frost has passed before planting out, as Jamaican Bell is a tender plant.By our calculations, you should look at planting out Jamaican Bell about 0 days after your last frost date.
Harvest then fruits are red.
Expect harvests to start to occur in late summer.