### Clue: Delay supplying tree — new date needed for planting (4,4)
### Answer: LEAD TIME 
 ### Explanation: Definition: Delay supplying
 LIME(the evergreen tree producing the citrus fruit, the lime) **containing**(… needed for planting) **anagram of**(new) DATE.
Defn: …/the time delay between order and delivery/supply, of a product, say.