Helianthus 'Dorian Roxburgh'
Family - Asteraceae
Category - Perennial
Season of Interest - Spring, Summer, Autumn
Hardiness - H7
Height - 1.5m or more
Width - 90cm
Location - The Hot Garden
Description: A clump-forming herbaceous Perennial with tall, upright stems. Bristly, mid to dark green leaves are ovate to lanceolate in shape with finely toothed margins. Daisy-like Blooms are composed of soft yellow petal (ray florets) surrounding a flat central cluster of yellow and black Disc florets. The flowers are held singly on the tall stems and are produced from late summer into mid-autumn. Excellent for use as cut flowers and attractive to pollinating insects.
Flower:
Daisy-like flowerheads are composed of soft yellow ray florets (sometimes a double layer) surrounding a flat central cluster of black and yellow disc florets. The disc florets are green before they fully open. The blooms are held singly atop tall, upright stems and are produced from August into October.
Flower colour: Yellow
Flower shape: Daisy-like flowerheads, disc and ray florets held singly
Flowering time: August, September, October
Foliage:
Mid to dark green leaves are ovate to lanceolate in shape with serrate margins. The leaves are covered in short, coarse bristles and are Alternately arranged on tall, upright stems.
Foliage Senescence: Deciduous
Foliage Shape: Ovate to lanceolate
Propagation:
Cuttings, division.
Cultivation:
Best in full sun in fertile, moisture-retentive soil that is well-drained.