Grow your own Radermachera Sinica This grow kit contains everything you need to grow your own Radermachera Sinica. You get a nice box filled with a handmade jar, coconut tablets, 5 Radermachera Sinica seeds and the sowing instructions. Great as a gift to give or to grow yourself! Growing a Radermachera Sinica You can simply grow the Radermachera Sinica yourself at home. Our grow kit contains the instructions and, of course, the seeds. We provide 5 seeds so it's okay if they don't all hatch or survive. This Radermachera is a fast grower and seeds often germinate in 2 to 3 weeks! About the Radermachera Sinica The radermachera is a tree that can be kept very well as a houseplant.