Look to ensure a distance
11.7 inches (30.0 cm) between Oom Pah Pah seeds when sowing to make sure your seedlings have enough space.
By our calculations, you should look at sowing Oom Pah Pah about 42 days before your last frost date.
Oom Pah Pah is hardy, so ensure you wait until all danger of frost has passed in your area before considering planting outside.