Cryptic crossword No 2,897

Across

1. Type of tea contained by weather balloon (6)
2. Morning in Southeast is invariable (4)
3. Academic from China into renewable energy (7)
4. Recalling example about hollow in chin (7)
5. Land garden design scheme (4)
6. At home, exercise in dirt backwards - brave (8)
7. Comes up in Paris especially (6)
8. Trace of spy around the French copper (8)
9. Spree leads to unearthing ample rodents for cat (6)
10. Right, consumed in affair, blackmailing! (11)
11. Crazy Glue bonded Met with truncheons? (10)
12. At riot, piss around, male for one second expresses love of country (10)
13. Mark left after parking next to English 101 (6)

Down

1. Native from a neo-Peru, perhaps? (8)
2. Everything in performance is superficial (7)
3. Horrendous, heinous tax using everything up (10)
4. Abused similes as a weapon (7)
5. Time one designer is not cross (4)
6. Song with less feeling (6)
7. Some vinegar licked - a strong flavour (6)
8. Confused tiny centaur expresses doubt (11)
9. On the market, one enters a shitty place? (6)
10. Tailgate Australian partially for cake (6)
11. Drug hearing rule for dangerous substance? (4,4)
12. Dry: a river, one day (4)
13. Scenic once, destroyed for Jiminy Cricket? (10)