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InCoral Island, you can live out your life as a farmer on your grandparents' land. Each season brings new crops and flowers to grow, all the way up until Winter when the world goes cold. Since farming is your best bet to make money and purchase upgrades, you’ll want to plan ahead to make the most of each year.
One way to do that is to unlock the Coral Island Greenhouse. The Greenhouse can help you farm more and earn coins year-round in a sustainable way. As Starlet Town’s resident farmer, it’s up to you to provide fresh produce and restore the town.

Updated Jul 24, 2025 by Zoë J. Osik:We’ve updated this guide to include more information about how to set up your Coral Island Greenhouse and design the best Greenhouse layout to maximize the space you have. To become the best farmer you can be, you’ll need to get creative with limited space.
How To Unlock The Greenhouse
To unlock the Green House, you’ll need tocomplete all the bundlesat thefirst Lake Temple Offering. This means that you can only unlock it after reaching Winter of Year One, since you’ll need toaccess Winter forageables.
After you unlock the Green House, there’s no other task for you to do. The Green House willautomatically appear the next day, fully constructed. You canbegin using it immediately.

How To Use The Greenhouse
The Greenhouse provides you with anenclosed space to grow crops year-round, regardless of the season. Here, you cangrow your favorite crops continuously(so long as you have the seeds you need). You cangrow crops, fruit trees, and normal treesinside.
Plantingcrops that yield multiple harvests, such as strawberries, is a wise investment.

There’s a fountain in the back you can use torefill your watering can, but sprinklers work inside as well. This is the perfect opportunity tocreate a bountiful harvest unaffected by the elementsoutside.
You won’t have to worry about crows eating your crops since they’re safely secured inside the Green House!
Best Greenhouse Layout
The best greenhouse layout depends on what you want to get out of the space. If you want a decorative space to look nice all year, you canarrange it with your favorite items. However, the best use of the greenhouse is togrow profitable cropsand produce year-round.
Because of this,using the greenhouse like an orchardis a good idea. You canplant fruit trees inside, and they will continue to grow!
Arranging the trees in neat rows towards the back will maximize the space without blocking your line of sight.
Sprinklers are also recommendedbecause they will help keep the greenhouse thriving without additional work, howeverthey are optionalif you want touse all the available spacein your greenhouse for growing crops.