Look to ensure a distance
2.92 feet (90.0 cm) between seeds when sowing - bury at a depth of at least
0.99 inches (2.54 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 El Greco about 42 days before your last frost date.
Ensure that temperatures are mild and all chance of frost has passed before planting out, as El Greco is a tender plant.
By our calculations, you should look at planting out El Greco about 14 days after your last frost date.