Keep in mind when planting that Tiny Gem is thought of as tender, so it is really important to ensure that the outside temperature is well above freezing before planting or moving outdoors.
Growing Tiny Gem from seed
By our calculations, you should look at sowing Tiny Gem about 91 days before your last frost date.
Transplanting Tiny Gem
Ensure that temperatures are mild and all chance of frost has passed before planting out, as Tiny Gem is a tender plant.