### Clue: Deal with worrying satanic plant (12)
### Answer: TRADESCANTIA 
 ### Explanation: Definition: plant
  TRADE(deal with,transact) **plus**(with) **anagram of**(worrying) SATANIC
Answer:  Given by wordplay/checking letters, a new word for me, meaning the genus of widely cultivated (and familiar) (house)plants with striped variegated leaves, aka spiderworts, and including the "wandering Jew".