Scientific Name: Helichrysum thianschanicum
Common Name: silver spike
Family Name: Asteraceae
Origin: Europe
Hardiness Zone: Zone 8a: (-12 to -9.5 °C)
Plant Type: Annual (grown as)
Mature Size: 0.4 - 0.7m x 0.3 - 0.6m (height x width)
Habit: Open, Upright
Form: Round
Texture: Fine
Landscape Uses: Bedding plant, Container planting
Exposure: Full sun
Soil or Media: Alkaline, Rocky or gravelly or dry, Well-drained
Leaves: Simple, Alternate, Basal, Soft flexible, Pubescent, Tomentose, Linear, Entire
Flowers: Head (capitulum), Yellow, Jul-Aug-Sep
Fruit: Achene, Brown, Sep-Oct
Key ID Features:
Leaves linear-spatulate (to linear-lanceolate on flowering stems), 6-10cm long x 2-4mmwide, tomentose, hairs whitish-grayish; heads ~1cm wide, yellow with ~25 florets, in corymb-like arrangement, Jul-Sep.