Planting Instructions: Plant 1/4 inch in soil after danger of frost has passed in Spring in at least 70F temperature soil. Within-Row Spacing 8 inches Between-Row Spacing 12 inches This beefsteak variety of shiso blooms in late spring through summer. Once plants reach maturity in the heat, shiso develops green glossy leaves similar to basil"providing a minty fragrance and citrusy flavor with hints of clove and anise. Green Shiso Perilla plants continue producing in late summer until your region"s cool temperatures set in. In early fall, shiso varieties bloom small pink-to-white flowers as they go to seed.