The most common and most likely answer to this crossword clue is the 8 letter word DEPOSITS
I've seen this crossword clue in Financial Times
D
E
P
O
S
I
T
S
More clues leading to the result DEPOSITS
- Plants from central Asia in stores
- Warehouses will store silicon for plants
- Nervously dips toes in residues
- More than one part‑payment is returned in warehouses
- They may be left in river beds or banks
- Leaves half of silt in warehouses
- Standards maintained inside department store
- Top sides fighting for places
- Unloads Silicon in warehouses
- One’s going back into warehouse with saint for securities
Buddy explains!

The straight part
We know that "plants" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case plants = deposits.The cryptic/wordplay part
In cryptic crossword there's often an wordplay/cryptic part as well.This part involves a more complex hint, such as an anagram, homophone, hidden word, etc.
Sadly, We don't have an explanation for this specific crossword clue yet.
What does DEPOSITS mean?
DEPOSITS noun- Sediment or rock that is not native to its present location or is different from the surrounding material. Sometimes refers to ore or gems.
- That which is placed anywhere, or in anyone's hands, for safekeeping; something entrusted to the care of another.
- Money placed in an account.
- Anything left behind on a surface.
- A sum of money or other asset given as an initial payment, to show good faith, or to reserve something for purchase.
- A sum of money given as a security for a borrowed item, which will be given back when the item is returned, e.g. a bottle deposit or can deposit
- A place of deposit; a depository.
- To lay down; to place; to put.
- To lay up or away for safekeeping; to put up; to store.
- To entrust one's assets to the care of another. Sometimes done as collateral.
- To put money or funds into an account.
- To lay aside; to rid oneself of.