Aralia cordata
Udo
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Udo (Aralia cordata) - Description
Aralia cordata is an upright herbaceous perennial plant growing up to 2-3 m in height, native to Japan, Korea and eastern China. It is known as udo (Japanese: 独活) in Japanese, and also as Japanese spikenard. It is commonly found on the slopes of wooded embankments.
Udo (Aralia cordata) - Blooming
Flowers are small and white but in such large clusters that they are showy. Blooms in midsummer.
Udo (Aralia cordata) - Growth
Does well in full sun exposure or partial shade. They can reach as tall as 30 ft. making them unsuitable for smaller gardens. In colder climates they may only reach 10 ft. tall.
Udo (Aralia cordata) - Planting
Not suggested for planting near pools as the stems are very spiny.
Udo (Aralia cordata) - Pest
Very prone to certain leaf spots. Aphids, spider mites, and mealybugs. Stem borders may occur.
Udo (Aralia cordata) - Soil and irrigation
Needs moderate to regular water. Does best in fertile, moist, and humus-rich soil.
