Cryptic crossword No 2,112

Across

1. Head of family left, alternatively with middle of heart and vegetation (5)
2. Hammerhead starve easily from crop (7)
3. Tend spare untroubled (8)
4. Drew peculiar hula journalist (6)
5. Brake odd characters from Freer's detention center (4)
6. Call back pal (3)
7. Time rook is neighboring Eastern European diagram (4)
8. Every so often gardened with nitrogen, family gets conservatory (10)
9. Intellect hang English (4)
10. Origin shown in kangaroo thorn (4)
11. Wear on good, crazy yellowish material (10)
12. Husband's ear overheard only at this place (4)
13. Welts edges dropped from taxi (3)
14. Rush silly to Japanese shrub (4)
15. A hip replacement didn't start; son's with buggy pests (6)
16. Return of Nutty Emeer who's for young horse tails (2-6)
17. Address online! Attract struggle (7)
18. Lie with engineers about material (5)

Down

1. London's West End, mid year and frightfully a little of a riffle (4)
2. Peeve I heard are for pastor's agent (5)
3. Safe to hurdle (5)
4. Look, Carl's lead character, so it's said (3)
5. Barrel of sauce and a wing (6)
6. Hot rib, one for Earl, bats get basil, e.g (4)
7. Hard rim of shield (5)
8. Christmas drink gone up around green growth, for starters (6)
9. Rover missing bottom right lining, from Ohio to below German capital, it was hollow (6)
10. Eastern arrowhead's tense graze (3)
11. America youth center scat regularly (3)
12. Drive away from abandon broadcast (3)
13. 100 oars changed killer whales (5)
14. Fish shelter to lawn (6)
15. Flower bind weirdly to bottom of Ell's fringes (5)
16. Dog sound the Baron's ship (4)
17. Every second of Luna's struggling, severe pregnancy distresses wombs (5)
18. A rag is awful, it thickens food (4)
19. Crock ascending peak (3)