Yes, their blooming time is very early. It ends when the trees get their leaves because from then, not enough light reaches the ground and they vanish. It‘s quite hard to find them. They have requirements on the ground as well as on the surrounding trees besides the light.
MyBlog - solaner 
Tiny but lovely.
Yes, their blooming time is very early. It ends when the trees get their leaves because from then, not enough light reaches the ground and they vanish. It‘s quite hard to find them. They have requirements on the ground as well as on the surrounding trees besides the light.