All seeds cannot be dispersed by wind. Why?

Mansi wishes to grow rose in her garden. What advice would you offer her?

Let us enhance our skills by solving the crossword puzzle given below: 

Down 
1. Scattering of seeds away from the parent plant.

4. A plant needs this for its germination.

Across 
2. Process by which a seed changes into a baby plant. 

3. Bryophyllum, begonia reproduce through this plant part.