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Grow a Plant Drones: How to Unlock Them and What They Do

Drones unlock in Grow a Plant through an expensive cash base upgrade, then water your plants automatically. How to afford the upgrade and what the drone does.

You unlock a drone in Grow a Plant by buying an expensive, cash-funded base upgrade — the purchase players nickname the "10 million upgrade." The moment you buy it, your first drone activates on its own and starts watering your plants for you. There's no separate activation step, and the drone isn't a code reward or quest prize: it comes from that money-funded base upgrade.

Promotional Grow a Plant art of a Roblox character beside a giant glowing tree

How to unlock a drone

  1. Save up a large amount of cash. The drone upgrade is very expensive, so plan on accumulating money for a while before you can afford it.
  2. Buy it from your base upgrades. It's the high-tier upgrade players call the "10 million upgrade." The exact cost isn't confirmed — "10 million" is a spoken nickname, not a verified price — so check the listed price in your upgrade menu before committing.
  3. Let it start working. Once the purchase goes through, the drone activates immediately and begins watering on its own — nothing else to set up.

Because the upgrade is expensive, extra cash speeds things up. Code rewards in Grow a Plant can include cash, and that money is meant to cover upgrades like this one so you can unlock your drone sooner. Check the Grow a Plant codes page before you grind, and plant buyers for extra income between code drops.

What the drone does

Once it's flying, the drone waters your growing plants automatically — you don't have to touch anything. That gives you two practical benefits:

  • It stacks with manual watering. You can still water with your can on top of the drone, and the combined watering grows plants noticeably faster.
  • It scales with your garden. One drone waters three planted plots at the same time, and it also picked up newly planted ones as they went in — you don't need a drone per plot.

With the drone watering nonstop and watering-can speed upgrades stacked on top, growth timers shrink dramatically. In one session, a plant with a 30-minute grow time finished in roughly five minutes while the times-five speed multiplier was active. That multiplier is the combined effect of the drone plus your watering upgrades — how much of the speedup is yours versus the drone's depends on how far you've upgraded, so treat five minutes as an example of the end state, not a guaranteed number.

The recording below shows that exact arc: buying the expensive upgrade, the drone starting on its own, and it watering several plots while their timers race down.

If you're still early, treat the drone as a long-term goal: keep cash flowing in and buy the upgrade when you can cover it. For how it fits into the bigger picture, see how to grow plants.