Lupinus arboreus 'Barton-on-sea'
(Tree Lupin)
Family - Papilionaceae
Category - Shrub
Season of Interest - Spring, Summer, Autumn
Hardiness - H4
Height - 1.2m or more
Width - 1.2m or more
Location - The Terrace
Description: A small semi-Evergreen to Evergreen Shrub with an upright, bushy habit. Neat grey-green leaves are palmate with narrow oblong to obovate leaflets. Fragrant pea-like flowers have a pale blue, pouch-like lower petal and an upper petal that opens yellow and turns to a shade of mauve-pink with age. The Blooms are held in whorl-like Racemes towards the tips of the stems and are produced from late spring into early summer. The flowers are attractive to pollinating insects.
Flower:
Fragrant pea-like flowers each have a pale blue, pouch-like lower petal (keel) and an upper petal (standard) that opens yellow and turns to mauve-pink with age. The blooms are held in whorl-like racemes and are produced in May and June.
Flower colour: Blue, yellow, pink
Flower shape: Pea-like flowers in whorl-like racemes
Flowering time: May, June
Foliage:
Grey-green leaves are palmate in shape with oblong to obovate leaflets. The leaves are Alternately arranged on the stems. The foliage of tree lupins is smaller that that of the herbaceous lupins.
Foliage Senescence: Semi-evergreen to evergreen
Foliage Shape: Palmate with oblong to obovate leaflets
Poison Information:
This plant will cause discomfort if ingested.
Pest and Diseases:
This plant is prone to aphid attacks in the spring.
Propagation:
Cuttings.
Cultivation:
Best in full sun to partial shade in fertile, moisture retentive soil that is well drained.