Start seeds indoors six weeks before last frost date.
Look to ensure a distance 0.78 inches (2.0 cm) between seeds when sowing - bury at a depth of at least 0.78 inches (2.0 cm) deep. Soil temperature should be kept higher than 12°C / 54°F to ensure good germination.By our calculations, you should look at sowing Jack White about 42 days before your last frost date.
Plant to the first set of true leaves to promote strong root growth.
Ensure that temperatures are mild and all chance of frost has passed before planting out, as Jack White is a tender plant.Named after Jack White, lead singer/guitarist from The White Stripes.
Developed by Alan Bishop of Hip-Gnosis Seed Development, Indiana, USA.
A stabilized cross between Great White, White Beauty and White Tomesol.