Calicotome spinosa, the thorny broom or spiny broom, is a very spiny, densely branched shrub of the family Fabaceae which can reach up to three metres in height. It grows in the Western Mediterranean region on sunny slopes and dry, rocky ground. It is found in Spain, France, Italy, Croatia, Morocco, Tunisia, Libya, Algeria and Turkey, and it has been introduced to New Zealand. From March to June it produces bright yellow flowers which are borne singly or in small clusters. The seed-pods are 30mm long and are almost hairless, unlike those of the similar species Calicotome villosa.
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Spiny broom has strong resistance to disease and is generally not prone to illnesses. Regarding care, this plant is fairly low maintenance. When grown outdoors it needs minimal watering, and larger plants usually do not require pruning. However, smaller plants should be pruned after they have finished blooming. Spiny broom is appropriate for anyone with an outdoor area, such as a garden or a deck, and does not require much care experience.