Try to aim for a seed spacing of at least
1.95 inches (5.0 cm) and sow at a depth of around
0.0 inches (0.0 cm).
By our calculations, you should look at sowing Kaiser Wilhelm about 105 days before your last frost date.
Kaiser Wilhelm is tender, so ensure you wait until all danger of frost has passed in your area before considering planting outside - as a guideline, the minimum temperature outside should be approximately 4°C / 39°F.