Scientific Name:
Artemisia
'Powis Castle'
Pronunciation:
ar-tuh-MEE-zee-uh
Common Name:
Powis Castle artemisia
Family Name:
Asteraceae
Plant Type:
Herbaceous perennial
Key ID Features:
Leaves pinnately compound, typically with 5 leaflets that are deeply lobed, most obovate, 3-5cm long x 2-3cm wide, silverish-green, powdery with very powerful unpleasant smell when crushed; heads ~6mm wide, with only yellow disk florets, Jul-Aug.
Habit:
Arching, Dense, Upright
Form:
Oval - horizontal
Texture:
Fine
Mature Height:
0.4 - 0.7m
Mature Spread:
0.3 - 0.6m
Growth Rate:
Fast
Origin:
Garden origin (A. absinthium x A. arborescens )
Hardiness Rating:
Zone 6: (-23 to -18 °C)
Exposure:
Full sun
Soil/Growing Medium:
Rocky or gravelly or dry, Well-drained
Water Use:
Winter dry, Summer dry
Landscape Uses:
Accent plant, Bedding plant, Container planting, Group or mass planting, Hanging basket, Perennial border, Rock garden, Sheared hedge, Small garden/space, Summer interest
Additional Info:
Leaf Morphology:
Form:
Lobed, Compound
Arrangement:
Alternate
Texture/Venation:
Soft flexible
Surfaces:
Pubescent, Distinctive smell
Compound Leaf:
Odd-pinnate
Colour in Summer:
Silver / Grayish
Colour in Fall:
Silver / Grayish
Shapes:
Obovate
Apices:
Acute
Bases:
Obtuse
Margins:
Pinnately lobed
Inflorescence Type:
Head (capitulum), Floriferous, Panicle-like
Flower Morphology:
Flowers perfect
Number Of Petals:
5
Corolla Shape:
Tubular
Ovary Position:
Inferior
Colour (petals):
Yellow, Brown
Flower Scent:
Unpleasant
Flower Time at Peak:
Jul, Aug
Fruit Type:
Achene
Fruit Colour:
Brown
Fruiting Time:
Sep, Oct
Additional Info:
Fruit insignificant
Bark Morphology:
Lightly fissured
Bark or Stem Colour:
Brown
Propagation:
Division - below ground parts
Maintenance:
Low
Pest Susceptibility:
Root rot (Pest resistant, Disease resistant, Deer resistant, Rabbit resistant, Drought tolerant)
