Cryptic Crossword 1-7

Theme: Flowering plants and shrubs.

Across:

1 Reverb, Echo effect (def), ever (always), in (insertion), RB (R&B i.e., short musical genre)

5 Angelica, Angel (Innocent), I (one), ca (can, not fully i.e., remove last letter from can), blossom (def)

9 Dilatory, Dory (fish), all over the place (anagram of) dory + tail, crawling (def)

10 Nonfat, Lean (def), in (hidden), rest is fodder

11 Fantasists, except on Saturday (remove S from...), F (women), ant (worker), assists (helps), dreamers (def)

12 Oink, Squeal (def), from (hidden), rest is fodder

13 Daisy mum, Flower (def), dais (stage), mum (mother), holding (container), y (young)

16 Annual, Annul (offset), around (container), a (a), type of plant (def)

17 Coleus, Co (officer), Le (the in French), US (American), plant (def)

19 Rock-rose, Evergreen (def), rock (gem), rose (mounted)

21 Weed, DD as in pot and useless plant

22 Immortelle, Immortal (everlasting), Elle (fashion rag), without (deletion of) a + l (large), plant (def)

25 Reseda, DD as in plant and LA neighborhood

26 Amaranth, Flower (def), Amah (Au pair), accommodating (container), rant (tirade)

27 Stalwart, Fearless (def), in (hidden), rising (reversal), rest is fodder

28 Latest, Last word (def), La (the French), test (exam).

Down:

2 Erica, Evergreen (def), spread (anagram of) I (one) + acre

3 Exact, Close (def), ex (from), act (work)

4 Blossom, Bloom (flower), without (container), SS (traces of sweet scent, i.e., first letters from), flower (def)

5 Alyssum, Flowering plant (def), unkempt (anagram of), asylums (sanctuaries)

6 Genista, Tortuous (anagram of) seating, flowering shrub (def)

7 Landowner, Squire (def), LAN (a type of network), downer (bummer)

8 Chainsaws, Chain (string), saws (words), rest is def.

14 Atonement, Amends (def), some (hidden), rest is fodder

15 Speedwell, Creeper (def), speed (haste), well (what? as in exclamation)

18 Spiraea, A (I), synthetically (anagram of) a + aspire, flowering shrub (def)

19 Rampant, Ant (six-footer), on (after), ramp (freeway access road), abandoned (def)

20 Curtail, cut back (def), cur (dog), tail (chase)

23 Enact, Pass (def), EN (directions), act (play)

24 Lotus, Lot (bunch), US (American), flower (def).