It has showy white flowers from July to October.
The herb or vegetable garden is not the only place where you could plant shiso.
How and When to Plant Shiso
Shiso is usually started from seed directly in the garden.
Both methods improve germination.
Barely cover the seeds as they need light to germinate.
Germination takes 7 to 21 days depending on the temperature.
After the seeds have germinated, thin seedlings to 6 to 12 inches apart.
Shiso Care Tips
Shiso requires minimal care.
Containing its vigorous spread is usually the most challenging aspect of growing it.
Light
The plant prospers infull sunbut also grows in partial shade.
Water the plants until they are established.
Afterward, shiso is fairly drought-tolerant.
It is winter-hardy in Zone 10-11.
Pruning
Shiso will become weedy if allowed to self-seed.
Prevent excessive self-seeding by deadheading spent flowers promptly.
If desired, maintain compact bushy plants by pinching stem tips anytime.
The plant will respond to pinching by sending out new side shoots.
Potting and Repotting Shiso
Shiso makes a good potted herb.
Select a pot with good drainage holes and fill it with well-draining potting mix.
Pests and Problems
Shiso is not affected by major pests and diseases.
The most common problem is its invasive nature.
Using sharp, clean scissors, cut the stem above a node or a pair of leaves.
you might cut one-third or more of a vigorously growing, bushy plant.
It is more tender and delicate in flavor than red shiso and best used fresh.
The flavor is earthy with hints of star anise, mint, and cumin.
It is widely used in Korean cuisine.
Everywhere else, it is grown as an annual.
Updated by Nadia Hassani
“Perilla Mint.
“Invasive Plant Atlas of the United States.
“West Virginia University.
