Keep in mind when planting that Tequila Sunrise is thought of as very hardy, so this plant will tend to survive through freezing conditions. Tequila Sunrise needs a loamy soil with a ph of 6.0 to 7.0 (weakly acidic soil to neutral soil).
By our calculations, you should look at sowing Tequila Sunrise about 56 days before your last frost date.
Ensure that temperatures are mild and all chance of frost has passed before planting out, as Tequila Sunrise is a very hardy plant.