Purple robe Locust (Robinia x ambigua ‘Idahoensis’) 香花槐

Purple robe Locust (Robinia  x ambigua ‘Idahoensis’) 香花槐 A young tree. 香花槐的小樹.

Purple robe Locust (Robinia x ambigua ‘Idahoensis’) 香花槐 A young tree. 香花槐的小樹.

Robinia (Robinia pseudoacacia ‘Purple Robe’) 香花槐

 

Purple robe Locust (Robinia  x ambigua ‘Idahoensis’) --flower clusters   香花槐 -- 香花槐的花串.

Purple robe Locust (Robinia x ambigua ‘Idahoensis’) –flower clusters 香花槐 — 香花槐的花串.

Purple robe Locust (Robinia  x ambigua ‘Idahoensis’) --flower clusters and branches   香花槐 -- 香花槐的花串與枝葉

Purple robe Locust (Robinia x ambigua ‘Idahoensis’) –flower clusters and branches 香花槐 — 香花槐的花串與枝葉

Purple robe Locust (Robinia  x ambigua ‘Idahoensis’) --flower clusters and branches   香花槐 -- 香花槐的花串與枝葉

Purple robe Locust (Robinia x ambigua ‘Idahoensis’) –flower clusters and branches 香花槐 — 香花槐的花串與枝葉

 

Very attractive, fast growing large tree with large clusters of deep rosy, purple fragrant flowers in late spring to early summer and can flower once in fall.  In warm region it can flower every season.  It will not produce viable seeds so less mess and weeding to do.   This tree is very hardy, easy to grow and care.   Pea family.    Purple robe locust a.k.a. Idaho locust or Robinia x ambigua ‘Idahoensis‘ is form of the Black locust (Robinia pseudoacacia).

Best in full sun location.  USDA Zones: 5-9.   Tolerant cold or hot climate and dry soil.    You can propagate it easily by green wood cuttings, root cuttings or grafting.  Mature height is around 30′-40′ x 20′ width, suitable for large garden or park.

豆科的很漂亮的,生長速度快的大型開花樹,開紅紫色的花串,有香味.     在溫帶地區春末夏初時是主要開花期,秋天照顧好的話能再開一次,溫暖的地區則能每季都開.    該樹種無法有性繁殖,但容易用無性繁殖:新枝,根插等方法都能繁殖.  成熟株高30呎到40呎高,20呎寬.   全日照.    抗病蟲害也抗污染.  耐寒也耐熱耐旱.  適合大花園或公園的用樹.

 

 

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