The Greenhouse is the most detailed community-documented area in Garden Cleaner Evolution. One current walkthrough links it to Garden and Pool cleaning, a Grand Tree Key, a Greenhouse Key, an exterior vine climb, and two Secret Stars. Roblox officially confirms areas and hidden secrets, but every named Greenhouse step below remains Community reported until checked in the live game.
Unlock route at a glance
- Complete the current cleaning objective in the Garden area.
- Inspect the completion reward for the reported Grand Tree Key.
- Go to the Pool and clean the objective shown there.
- Claim the reported Greenhouse Key.
- Return to the Greenhouse entrance and use the key interaction.
- Verify whether access and the key persist after leaving or Rebirthing.
No exact cleaning percentage, price, key inventory behavior, or prerequisite is asserted. Read each live prompt. The Area Unlocks guide gives recovery steps when one stage does not open the next.
Garden and Grand Tree Key step
Clean the Garden until the current server marks the objective complete. Stay near the completion point and inspect claim controls or key indicators. The community source says this is where the Grand Tree Key is obtained, but it does not explain whether the item must be picked up manually.
If no key appears, check for a remaining leaf patch or a claim button before rejoining. Do not assume a random enemy, drop chance, currency, or purchase is required; none was supported by the reviewed evidence.
The Grand Tree Key’s precise use is also unclear. Treat it as part of the documented progression chain and let the next gate explain the current requirement.
Pool and Greenhouse Key step
Move to the Pool after Garden progress allows it. The walkthrough says to clean the entire Pool area, then claim the Greenhouse Key. Watch for a completion message and inspect the reward state before leaving.
Return to the Greenhouse entrance. Use the prompt once and observe whether the key is consumed, retained, or represented by permanent access. If the door remains locked, reread its text, confirm Pool completion, and rejoin a current server once.
No reviewed source proves that area access survives Rebirth. Finish the interior objective and inspect the reset preview before assuming permanence.
Secret Star on the roof
At the Greenhouse entrance, look for yellow vines on either side of the door. The community route says these vines can be climbed to reach the roof and the third Secret Star in the five-star sequence.
Approach the vines directly, adjust the camera upward, and climb without jumping away from the surface. If current collision does not allow it, look for a changed route around the entrance rather than using an exploit. The source does not establish that the door must be unlocked first.
Once on the roof, move carefully and check for the star’s interaction. Confirm the visible counter or claim response instead of assuming contact automatically saved it.
Secret Star inside
After entering the Greenhouse, locate the Time Crystal named by the community guide. Look to its left for the fourth reported Secret Star. The source does not describe a puzzle, payment, or combat requirement, so do not invent one when the star is missing.
Check whether the star was collected in an earlier session, whether the counter already includes it, and whether a current update moved the object. Rejoin once if the interior failed to load correctly.
The Time Crystal’s mechanics are not documented well enough for a separate guide or claims about its cost, cooldown, or effect. It is used here only as a route landmark.
Plan the Greenhouse trip efficiently
Pair the Greenhouse route with the Garden and Pool unlock objectives. Collect the roof star when you first reach the entrance, then open the door and collect the interior star in the same trip. This avoids crossing the map repeatedly.
If the key chain is blocked, return to productive cleaning instead of waiting at the door. Improve the tool or finish the live gate, then retry. Use the Keys guide to distinguish a documented key from the still-unverified Shed Key.
Greenhouse FAQ
How do I unlock the Greenhouse?
Community reporting says clean the Garden for the Grand Tree Key, clean the Pool, claim the Greenhouse Key, and use it at the entrance.
How many Secret Stars are in the Greenhouse?
The current walkthrough reports two: one on the roof and one inside left of the Time Crystal.
How do I reach the roof?
Use the yellow vines beside the entrance according to the dated community route.
Does the Greenhouse survive Rebirth?
Unknown. Read the reset preview and compare access before and after.
What does the Time Crystal do?
Its mechanics are not supported by enough evidence here; it is only a landmark for the interior star.
Source: MrGuider Garden Cleaner Evolution Secret Stars Locations Guide, published and checked 2026-08-05. Exact behavior needs in-game testing.