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Happiness Seed Shop
March 14, 2026 at 01:50 PM
Added 4 internal cross-links
The Happiness Seed Shop is the island's dedicated farming supply store, run by Graminova, the Farmer profession mentor. Located in Starsand Town next to Ethereal Styles, near the plaza across from the General Store. The shop is open 10 AM to 9 PM daily. You can browse and purchase items by interacting with the cash register inside the shop; Graminova does not need to be standing at the counter for you to buy things.
The shop stocks over 50 seed varieties, fertilizers, pesticides, and blueprints for farming equipment. Seed availability is gated by your current Farmer certification rank, but seeds themselves are not restricted by season. You can buy and stockpile any unlocked seed at any time of year, which makes it possible to prepare for an upcoming season in advance.
New seeds unlock at each Farmer certification level. Prices are listed in Coins. All seeds are available year-round regardless of the current season.
Seed | Price (Coins) |
|---|---|
Pasture Grass | 25 |
Wheat | 55 |
Seed | Price (Coins) |
|---|---|
Garlic | 70 |
Cabbage | 75 |
Leek | 75 |
Mountain Rice | 75 |
Potato | 75 |
Winter Oilseed | 75 |
Water Spinach | 80 |
Peanut | 100 |
Seed | Price (Coins) |
|---|---|
Green Grape | 130 |
Red Grape | 130 |
Soybean | 130 |
Tomato | 130 |
Carrot | 140 |
Cherry Radish | 140 |
Sugarcane | 140 |
Pepper | 150 |
Pineapple | 180 |
Pumpkin | 180 |
Watermelon | 180 |
Winter Melon | 180 |
Seed | Price (Coins) |
|---|---|
Blueberry | 250 |
Strawberry | 250 |
Cherry Tomato | 280 |
Corn | 280 |
Seed | Price (Coins) |
|---|---|
Rice | 300 |
Mandrake | 370 |
Aloe Vera | 400 |
Moonrise Orchid | 405 |
Rose | 410 |
Tulip | 425 |
Mint | 420 |
Reishi Mushroom Spores | 420 |
River Lotus | 450 |
Water Caltrap | 450 |
The Senior tier also unlocks flower seeds for cross-breeding and hydrangea growing.
Seed | Price (Coins) |
|---|---|
Stardew Fern | 720 |
Exotic Egg Spores | 740 |
Fluffbean | 740 |
Star Plum | 770 |
Honeyvine | 780 |
Chirpy Plum | 800 |
Star Mango | 800 |
Bell Pepper | 830 |
Jadeplum | 860 |
King Water Chestnut | 890 |
Zapwood | 890 |
Expert-tier crops are the most profitable in the game but take the longest to grow. Several of them (Star Mango, Jadeplum, Zapwood) are tree saplings that produce fruit across multiple seasons once mature.
Farming blueprints unlock alongside your Farmer certification rank. These blueprints are purchased once and learned permanently, allowing you to craft the item at your workbench whenever you have the required materials.
Blueprint | Description |
|---|---|
Crafts basic fertilizer from raw materials | |
Bronze Watering Can | Upgraded watering can; waters a wider area than the stone version |
Wide Hoe | Upgraded hoe; tills a wider strip of soil per swing |
Blueprint | Description |
|---|---|
Fertilizer Box II | Produces better-quality fertilizer |
Planting Box | Lets you grow certain crops indoors (required for mushrooms and garlic) |
Processes fruit into jam for higher sale value | |
Ferments crops into beverages | |
Auto-waters surrounding crop tiles each morning | |
Steel Wide Hoe | Further upgraded hoe with wider tilling range |
Blueprint | Description |
|---|---|
Fertilizer Box III | Mid-tier fertilizer production |
Blue Scarecrow | Protects crops from birds across a larger radius |
Converts vegetables into pickled goods | |
Automated tilling machine for large fields | |
Sprinkler I | Upgraded sprinkler with wider watering coverage |
Pressurized Sprinkler | Upgraded watering can alternative; covers more tiles per use |
Blueprint | Description |
|---|---|
Fertilizer Box IV | High-quality fertilizer production |
Sprinkler II | Large-area sprinkler covering many tiles |
Auto Fertilizer Box | Automatically applies fertilizer to nearby crops |
Powered Hoe | Motorized hoe for rapid field preparation |
Processes harvested crops back into seeds, eliminating the need to buy seeds repeatedly |
Blueprint | Description |
|---|---|
Fertilizer Box V | Top-tier fertilizer production |
Sprinkler III | Maximum coverage sprinkler |
Starsand Grinder | Upgraded grinder with faster processing speed |
Hydraulic Hoe | The best hoe in the game; tills massive areas |
Greenhouse Building Manual | Allows you to construct a Greenhouse where any crop grows year-round regardless of season (55,000 Coins) |
The shop sells two categories of fertilizer. Both can also be crafted at home using the Fertilizer Box blueprints listed above.
Fertilizer | Effect |
|---|---|
Ripening Fertilizer | Reduces crop growth time; apply before or during growth |
Yield Fertilizer | Increases the number of items harvested per crop |
Both fertilizer types stack with sprinkler systems. Higher-tier Fertilizer Boxes let you produce better fertilizer at home rather than buying it, which saves significant money at scale.
Graminova is a native of Starsand Island and your childhood neighbor. His parents are Sagewood and Matilda. He was the province's top scorer on the university entrance exams and chose to study agriculture at 18. After earning his PhD at 25 and completing a postdoctoral fellowship, he returned to the island at 27 to dedicate himself to soil and crop research, developing hybrid crops suited to island conditions.
Detail | Info |
|---|---|
Birthday | Month 1, Day 3 |
Gender | Male |
Height | 186 cm |
Weight | 75 kg |
Yes |
Despite appearing distant at first, Graminova is quietly thoughtful and kind. He helps neighbors with crop problems without seeking recognition. His mornings are spent conducting agricultural experiments in the fields near the shop. In the afternoon he works the shop counter and focuses on crop research. On rainy days he stays indoors at the Seed Shop all day. He unwinds by listening to classical music.
Graminova's favorite gift is Wheat Seeds. He loves Cucumber. He likes Wheat, Coconut, and Chilled Twilight Salad. He dislikes Feather, Veggie Bait, and Softwood. Graminova is fully romanceable, and reaching Level 5 Affection allows you to ask him to move in.
Seed availability is gated by Farmer rank. Advance your profession to unlock more profitable crops.
Seeds are not season-locked in the shop. Buy seeds for next season before it starts so you can plant on day one.
The Grinder (Senior tier) is a turning point for farming income. It converts harvested crops back into seeds, so you stop spending money on seeds entirely.
The Greenhouse Building Manual (Expert tier, 55,000 Coins) lets you grow any crop year-round. This is the single biggest farming upgrade in the game.
Sprinklers are the highest-priority early purchase. The basic Sprinkler (Junior tier) eliminates daily watering, saving enormous amounts of stamina and time.
Pumpkins and watermelons can mutate into giant crops when planted in a 3x3 formation. These sell for significantly more than normal harvests.
Some crops require paddy fields or trellises to grow. Check the crop description before buying seeds.
Raising rabbits with Pastelle at the Green Pasture Ranch provides natural weed management, reducing the need for pesticides.
