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Artemisia arborescens 'Powis Castle', tree wormwood, is an evergreen, woody stemmed perennial. It has ferny silvery blue foliage which is aromatic. It has sprays of single yellow flowers in summer. It is frost and salt tolerant.
Artemisia likes a sunny position, and well drained soil. Tolerates periods of dryness. Dislikes boggy soil.
Propagation is from tip cuttings or by seed.
Flower colour: yellow
Flowering season: summer
The flowers and foliage is aromatic
Maximum height: 1.2 metres
Minimum height: not specified
Maximum width: 1.2 metres
Minimum width: not specified
This plant will tolerate full sunlight.
Medium frost tolerance.
Plant is salt tolerant.
Yes. Attracts: Butterflies, moths, bees, insects.
This plant species will grow in the following climates: cool, temperate, subtropical.
Loam: dry, moist, well-drained.
Clay: moist, well-drained.
Sand: moist, well-drained.
Powdery mildew, fungal diseases
Planting season: Any.
Types of fertiliser: Good general purpose fertiliser.