Related Clues:
- That's a light green since it is
- Since it's a light green
- Some way back the light is green
- Light green for 19 across, in short?
- Plumb this for a start of a plant
- Long since it's light green
- Not a short start and not recently
- This might give a light start to 8 down
- Long since the light is green for this
- Not a short, light start and not recently
- A light green
- Long since 23 down at last
- Sometime since it's a light green
- That's enough to give one a start some time back
- 'Not, in short, 17 down (4,3)'