Look to ensure a distance
1.95 inches (5.0 cm) between seeds when sowing - bury at a depth of at least
0.23 inches (0.6 cm) deep. Soil temperature should be kept higher than
15°C / 59°F to ensure good germination.
By our calculations, you should look at sowing Blue Rider about 1 days after your last frost date.
Ensure that temperatures are mild and all chance of frost has passed before planting out, as Blue Rider is a hardy plant.
Angustifolius is Latin for "thin"or “narrow”.