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Caragana arborescens
'Ross' Caragana, Siberian Peashrub

Height: 5 metres (m) (16 feet (ft.))
Spread: 3 m (10 ft.)
Recommended Spacing: 0.3 m (1 ft.);
1 m (3 ft.) if planted under plastic mulch
Growth Rate: moderate
Lifespan: 50 years+
Note: will not tolerate poorly drained sites
Origin: introduced from Siberia

Caragana is a multi-stemmed shrub that grows best on well-drained sites in full sunlight. The seed strain 'Ross', developed through the Agriculture and Agri-Food Canada (AAFC) Tree Improvement Program, is very drought tolerant. It will not tolerate prolonged flooding.

Caragana is a legume which fixes atmospheric nitrogen, grows well on nutrient poor soils and has a high competitive ability. Yellow pea-like flowers appear in early spring followed by pods forming in late June or July. As they ripen, the pods crack and burst, spreading the seed which germinates quickly. The root system is non-suckering. However, on most sites if caragana is not maintained it will spread by seed.

Recommended to be planted as:

Caragana is a very dense shrub that controls ground-level winds and traps snow very effectively. In addition, it is a source of nectar and pollen for bees and other insects.

Caraganas - Field Belt
Caragana - In Snow
Caragana - Leaf and Flower
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