Scientific Name: Melissa officinalis
Common Name: Lemon Balm, Perennial Herb
Hardiness Zone: 4a - 9b
Hardiness Degree: -30°F (-34.4°C)
Height: 18 - 24" (46 - 61cm)
Width: 18 - 24" (46 - 61cm)
Exposure: Sun
General Information: Strong, lemon-scented foliage.
18 to 24 in. (46 to 61 cm).