Grow a Garden Code FAQ: Limits, Expiration, and Double-Use Rules
Launch
15 September 2025
Whether you're hunting Bee Coins or a one-off cosmetic, understanding how Grow a Garden promo codes work—and when they stop working—saves frustration and wasted clicks. This FAQ gathers everything the developers have confirmed (plus hard-won community discoveries) about redemption caps, expiry timers, and multi-account restrictions.
1 | What limits apply to each code?
| Limit type | Typical value | Where it matters |
|---|---|---|
| Per-account | 1 redemption (hard cap) | Prevents farming rewards on alts |
| Per-code lifetime | Unlimited accounts | No global cap; expires by time, not count |
| Daily redemption burst | ≈20,000 accounts/min peak | Server throttling may delay rewards |
| IP throttling | Soft cap at ~10 accounts/hour | Stops mass bot claims from single IPs |
| Event-currency balance | 99,999 hard wallet cap | Extra coins from codes overflow to inbox; claim before event ends |
Key takeaway: One code → one redemption per Roblox account, forever. You cannot "undo" or reset a claim.
2 | How long do codes stay active?
Standard durations
- Milestone codes (e.g.,
12BILLION) — 24 hours, sometimes less. - Seasonal event codes — Until the event closes (7–21 days).
- Major-update cosmetics — Live until the next headline patch rolls out.
- Emergency compensation codes — 48 hours by default.
Hidden expiry rule
All timers are bound to 23:59 UTC on their final day. If you live in America/Toronto (UTC-4/-5), a "24-hour" code launched at 00:00 UTC disappears at 19:00 local time the same day.
How to check remaining time
- Open the official Discord's #announcements timestamp for the code.
- Add 24 h (milestone) or match to the event calendar.
- Convert end-time from UTC to your zone—then set a phone alarm one hour prior.
3 | Can you redeem the same code twice?
No—here's why
The redemption system tags the entire Roblox account, not individual avatars. Once a code is claimed, any avatar under that account sees "Code Already Redeemed." Deleting the rewarded item does not reset the flag.
What about alternate accounts?
You may legally claim on alts, but note two caveats:
- Shared IPs hit throttling after ~10 redemptions per hour.
- Trading items between your alts can violate Roblox anti-bot rules if automated.
Family accounts
Multiple players in the same household can each claim a code, provided they use distinct Roblox accounts. If two people share the same account, the second player will see "Already Redeemed."
4 | What happens when a code "expires" mid-redeem?
If you paste a code milliseconds after cutoff, the server response is still "Invalid / Expired." The client never buffers pending requests, so you can't sneak under the wire. Best defense: claim early and verify success via the green banner.
5 | Why does the game say "Invalid" even when trackers list it as active?
| Possible cause | Fix |
|---|---|
| Regional shard cache lag | Hop to a different public server or start a fresh private lobby. |
| Whitespace or Unicode look-alike characters | Re-type manually instead of pasting. |
| Mobile auto-correct tampering | Disable auto-correct, re-paste. |
| Code revoked early due to exploit | No fix—devs nuke codes if abuse spikes. Watch Discord for replacements. |
6 | Does deleting a rewarded item let me claim again?
No. The reward object and the redemption flag are stored in separate databases. Trashing, trading, or selling the item does not reset your eligibility.
7 | Do codes stack with other boosts?
Yes. Bee Coins, Alien Coins, Seed Packs, and décor buffs from different codes all accumulate. But you cannot claim two of the same code to stack duplicates.
8 | Can developers re-enable an expired code?
Rarely, usually during double-XP weekends or server rollback compensation. When resurrected, the code is still marked "Used" for anyone who claimed during its first run.
9 | Is there a global redemption limit?
No public cap exists; codes expire by time windows, not by a maximum number of claims. The only ceiling you'll hit is per-account.
10 | Quick tips to avoid missing out
- Join the official Discord and turn on #announcements pings.
- Bookmark two independent code trackers for redundancy.
- Set UTC-based alarms on expected patch days (10:00 UTC).
- Redeem via a private server to bypass cache delays.
- Copy codes into a plain-text editor first to strip hidden characters.
Conclusion
Promo codes in Grow a Garden follow strict one-account limits and clock-based expiry windows. Learn the rules—redeem early, watch time zones, and never expect a second chance at the same string—and you'll turn every free drop into lasting in-game value without a single "Invalid" hiccup.