Its yellow flower-heads were a visual treat a month or so ago but now the flowers are gone the cylindrical green bean-like pods are drooping with intent. Soon they’ll burst open and spread the 20-40 seeds amongst your garden and then eventually into the bush as the birds, bugs and beasties carry them off.
So what’s the harm in a few lovely yellow flowers? They spread and keep spreading, replacing the native plants and eventually changing the whole plant community if not controlled.
Controlling it is easy and very doable, if it’s in bloom now, you can’t miss it.
If you’re really fond of your Senna, responsible plant ownership is needed. After it’s finished blooming pluck off the seed pods and put them in the bin.
If you want to remove the plant permanently, they are easy to dig out, especially now the soil is so moist, just make sure you get all the roots. Being a very weedy species you’ll probably have to go back over the area a few times to deal with the seedlings but they pull out very easily.
There are some very clear pictures of all life stages of the plant available online
http://www.iewf.org/weedid/Senna_pendula.htm
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