Pinch terminal shoots to encourage branching.
Harvest leaves before flowering occurs, or they will be bitter.
Cover with finely sieved compost.
Try to aim for a seed spacing of at least 0.5 inches (1.27 cm) and sow at a depth of around 0.12 inches (0.3 cm). For optimal germination, soil temperature should be a minimum of 10°C / 50°F.By our calculations, you should look at sowing Opal about 20 days before your last frost date.
Plant out when frost risk has passed.
Opal is half hardy, so ensure you wait until all danger of frost has passed in your area before considering planting outside.By our calculations, you should look at planting out Opal about 21 days after your last frost date.
The word basil means “king” in Greek – it is believed to have grown above the spot where St. Constantine and Helen discovered the Holy Cross.
Jewish folklore says that basil adds strength while fasting.