Colutea arborescens, commonly known as Bladder Senna or Mediterranean Colutea, is an enchanting deciduous shrub originating from southern Europe. This distinctive plant showcases pendulous clusters of vibrant yellow flowers resembling delicate pea blossoms that gracefully dangle from its branches. Following the blooms, unique inflated seed pods develop, adding an intriguing visual element. Its pinnate leaves contribute to its ornamental charm. Thriving in well-draining soil and basking in full sun, this shrub can reach impressive heights. Colutea arborescens adds a touch of Mediterranean flair to gardens and landscapes while also attracting pollinators and offering a captivating display of nature's artistry. Zones 4-8.
Germination
Colutea arborescens can be germinated successfully with specific steps. Begin by scarifying the seeds by gently rubbing them with sandpaper or nicking the seed coat with a knife to enhance germination. Prepare a well-draining seed starting mix and sow the scarified seeds at a depth of about 1/4 inch in individual containers or seed trays. Keep the soil consistently moist but not waterlogged, as excessive moisture can lead to rot. Place the containers in a warm location with temperatures around 70-80°F (21-27°C) to encourage germination, which typically occurs within 2-4 weeks. Once the seedlings emerge, provide them with bright, indirect light and gradually acclimate them to outdoor conditions before transplanting them into their permanent location. With attention to these guidelines, successful germination and healthy growth of Colutea arborescens seeds can be achieved.
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