Plectranthus argentatus 'Hill House'
(Silver Spurflower 'Hill House')
Family - Lamiaceae
Category - Tender perennial
Season of Interest - Spring, Summer, Autumn
Hardiness - H1c
Height - up to 1m
Width - up to 1m
Location - The Cool Garden
Description: An Evergreen, tender Perennial with a bushy, upright habit. Ovate to oval leaves are pale to mid-green with irregular pale yellow banding around the margins. The leaves are covered in soft silvery-white wool and have scalloped margins. Small, tubular 2-lipped flowers are pale violet-blue and each Bloom has a deep purple Calyx. The flowers are held in upright, branched Racemes with purple stems and are produced from mid-summer into mid-autumn.
Flower:
Small, tubular 2-lipped flowers are pale violet-blue and each bloom has a deep purple calyx. The flowers are held in upright, branched racemes with purple stems and are produced from July into October.
Flower colour: Violet-blue
Flower shape: Tubular 2-lipped flowers in racemes
Flowering time: July, August, September, October
Foliage:
Ovate to oval leaves are pale to mid-green with irregular pale yellow banding around the margins. The leaves are covered in soft, silvery-white wool and have Crenate margins. The leaves are held in opposite pairs on up upright, square stems.
Foliage Senescence: Evergreen
Foliage Shape: Ovate to oval
Propagation:
Cuttings.
Cultivation:
Best in full sun to partial shade in fertile, moisture-retentive soil that is well-drained.