Try to plant in a location that enjoys full sun and remember to water moderately. Keep in mind when planting that Amethyst is thought of as tender, so it is really important to plant out well after your last frost date.
Growing Amethyst from seed
By our calculations, you should look at sowing Amethyst about 105 days before your last frost date.
Transplanting Amethyst
As Amethyst is tender, ensure temperatures are mild enough to plant out - wait until after your last frost date to be on the safe side.