what strain should i pick?

i want to grow a small plant, no taller than like 20in. can anyone recommend a good strain.

i bought Miracle Grow Leaf Shine, could i just mix that in with water so i can feed and water all at once?

here it is
http://www.amazon.com/Miracle-Gro-Leaf-Shine-Ready-100540/dp/B0002FZB3O