Annual. Easily grown in poor to average, dry to moderately moist, well-drained soils in full sun. Drought tolerant. Plants may self-seed.
Other details:
May be a noxious weed or invasive
Drought-tolerant; suitable for xeriscaping
Self-sows freely; deadhead if you do not want volunteer seedlings next season
Sow seed directly in the garden after last frost date, or start indoors 6-8 weeks earlier.
By our calculations, you should look at sowing Rose Bi-color about 49 days before your last frost date.
Set out seedlings and purchased plants at last frost date.
Rose Bi-color is tender, so ensure you wait until all danger of frost has passed in your area before considering planting outside.