Sow
0.0 inches (0.01 cm) deep with a guideline distance of
1.95 feet (60.0 cm). Soil temperature should be kept higher than
25°C / 77°F to ensure good germination.
By our calculations, you should look at sowing Prairie Splendor about 56 days before your last frost date.
Ensure that temperatures are mild and all chance of frost has passed before planting out, as Prairie Splendor is a hardy plant.