Grows in full sun or partial shade. Prefers rich, well drained soil.
Keep in mind when planting that McKana Giants is thought of as hardy, so this plant will survive close to or on freezing temperatures.Chill seeds in wet paper towel 24 hrs & start inside- pressing seeds lightly into soil. Or winter sow. Slow germinator.
Refrigerate seeds for two weeks prior to planting outdoors if direct sewing.
By our calculations, you should look at sowing McKana Giants about 56 days before your last frost date.
The species name vulgaris is from the Latin vulgus (“the multitude, the masses”) + -āris, and means “common”, “usual”, or “commonly known” 1.
McKana’s Giant, McKana Giant Mixed