1. Bold grey takes direction for her.
2. Sauron’s speciality loses humanity for a flower.
3. Lament mingles with horse colour. Loses note but adds direction, for a sombre portal.
4. Leaf mingles with crude fertiliser, but the result is high and Noldorin.
CELEBDIL: Old English chill mingles with bitter liquid, but loses note at the peak.
ERKENBRAND: Hesitate, know, mark him.
7. Here interweave many tales, if French direction meets the Aylesbury rockers.
8. Quaint tile around the mountain.
'Ken' is still widely used in Scotland, and I remember it being used in a cryptic clue on a game show in the 80's.
I think you've started with two of the hardest clues, by the way.