From Bonnie Plants:

Type: perennial, zones 5 to 9

Planting time: spring, fall

Features: strongly aromatic and flavorful, dark green leaves, small white flowers

Light: full sun

Soil: moist, but well drained, pH 6.5 to 7

Height: 24 inches

Spacing: 18 inches

Garden use: herb garden, containers

Culinary use: major ingredient in Italian cuisine

The true Greek oregano, this variety has a heavy oregano aroma prized in pizza and for tomato sauces. Native to the Mediterranean region, this plant prefers climates with lower humidity, so keep the foliage and roots away from too much moisture. Give it good air circulation. For that reason, it is perfectly suited for a container.