Some staple fly patterns that should catch you a fish or two in stocked ponds.
- Olive or black woolly bugger
- Leech patterns in black, maroon, purple or olive
- bead head prince nymph
- Hare's ear nymph
- Chironomid patterns in black, green, red, brown
- Damsel fly nymph and dragonfly nymphs
If there are minnows present in water a minnow pattern of some variety could work.
This list will vary according to personal experience and preference but it is a starting point.
If you are able to,
any time is a good time to fish