Keep in mind when planting that Toto Gold is thought of as very hardy, so this plant will tend to survive through freezing conditions. Try to keep the ph of your soil between the range of 5.6 and 7.5 as Toto Gold likes to be in weakly acidic soil - weakly alkaline soil.
Soil temperature should be kept higher than
18°C / 64°F to ensure good germination.
By our calculations, you should look at sowing Toto Gold about 42 days before your last frost date.
Ensure that temperatures are mild and all chance of frost has passed before planting out, as Toto Gold is a very hardy plant.