Keep in mind when planting that Clementine dark purple is thought of as very hardy, so this plant will typically do well in a variety of different extremes of cold temperature.
Try to ensure a gap of at least
11.89 inches (30.48 cm) when sowing to prevent overcrowding your seedlings.
By our calculations, you should look at sowing Clementine dark purple about 56 days before your last frost date.
Ensure that temperatures are mild and all chance of frost has passed before planting out, as Clementine dark purple is a very hardy plant.
The species name vulgaris is from the Latin vulgus (“the multitude, the masses”) + -āris, and means “common”, “usual”, or “commonly known” .