This is s very nice team, I realize most people would look at it as to simple and skill less but its an actual HO team which is great. It really overloads teams and you seem to understand the tier rather well in your choices, making this team even deadlier. Though there are some improvements that you will hopefully enjoy.
Berry juice >eviolite and explosion > toxic spikes on pineco. This would strengthen your lead greatly and tspikes are bad since poison types are so prevalent. I will explain more when I am on a comp
Lastly early bird houndour over carvanha this gives you a fighting chance vs foongus and the flame charge set can clean rather well.