Start seeds indoors six weeks before last frost date.
Sow 0.78 inches (2.0 cm) deep with a guideline distance of 0.78 inches (2.0 cm). Soil temperature should be kept higher than 12°C / 54°F to ensure good germination.By our calculations, you should look at sowing Extreme Bush about 42 days before your last frost date.
Plant to the first set of true leaves to promote strong root growth.
As Extreme Bush is tender, ensure temperatures are mild enough to plant out - wait until after your last frost date to be on the safe side.Open pollinated seed of German origin that was donated to the USDA in 1964.