Try to plant in a location that enjoys full sun and remember to water moderately. Keep in mind when planting that Ultra red is thought of as half hardy, so remember to protect this plant from frosts and low temperatures. Ultra red requires a potting mix and loamy soil with a ph of 5.5 - 7.0 - it grows best in weakly acidic soil to neutral soil.
Growing Ultra red from seed
By our calculations, you should look at sowing Ultra red about 77 days before your last frost date.
Transplanting Ultra red
Ensure that temperatures are mild and all chance of frost has passed before planting out, as Ultra red is a half hardy plant.