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Items in Starsand Island have a quality rating represented by stars. Higher-quality items sell for more at shops and produce better results when used as crafting or cooking ingredients. The quality system applies primarily to crops, animal products, and fish. Understanding how quality works and how to improve it is one of the best ways to increase your income.
Quality matters beyond sell price. Higher-star ingredients produce better dishes when used in cooking recipes, and NPCs react more favorably when gifted higher-quality items. Some Bulletin Board requests also specify a minimum quality tier, so a regular tomato will not satisfy a request that asks for a gold-star tomato.
Every qualifying item in the game is assigned one of five quality tiers. The tier is shown as a star icon on the item tooltip in your inventory. Each tier applies a sell price multiplier on top of the item's base value.
Tier | Star Icon | Sell Price Multiplier | Notes |
|---|---|---|---|
Normal | No star | 1.0x (base price) | Default quality for all harvested and gathered items |
Fine | 1 bronze star | ~1.1x | Slight improvement; common with basic fertilizer use |
Superior | 1 silver star | ~1.25x | Requires consistent fertilizer application or high animal happiness |
Perfect | 1 gold star | ~1.5x | Gold-quality products sell for roughly 1.5x to 2x base value |
Premium | 1 diamond star | ~2.0x+ | Highest tier; rare drops from max-happiness animals and cross-bred variants |
The exact multiplier varies slightly by item category. Crops, animal products, and fish each use the same tier names but the sell price bonus can differ. Gold-quality animal products, for example, can sell for 2 to 3 times the standard price depending on the specific product.
Crops harvested from your farm have a star quality rating that affects their sell price. Higher-star crops sell for more and produce better cooking ingredients when processed at the Separator or used directly in recipes at the Campfire or Gas Stove.
The primary way to improve crop quality is through fertilizer. Fertilizers are purchased from Graminova at the Happiness Seed Shop and applied to tilled soil before or after planting.
Fertilizer | Profession Tier | Price | Effect |
|---|---|---|---|
Ripening Fertilizer I | Apprentice Farmer | 15 coins (pack of 5) | Speeds growth by 8 hours |
Ripening Fertilizer II | Junior Farmer | 60 coins | Speeds growth by 13 hours |
Ripening Fertilizer III | Intermediate Farmer | 180 coins | Speeds growth by 25 hours |
Yield Fertilizer I | Apprentice Farmer | 120 coins (pack of 5) | +50% crop quantity |
Yield Fertilizer II | Junior Farmer | 780 coins | +150% crop quantity |
Gmax Fertilizer III | Intermediate Farmer | 320 coins | +15% mutation probability for seasonal Gmax crops |
Nutrient Soil IV | Senior Farmer | 250 coins | +15% pollination probability for flowers; stackable with other fertilizers |
Yield Fertilizer increases the number of items harvested per crop, while Ripening Fertilizer shortens the growth cycle. Gmax Fertilizer III is specifically for Gmax crops (Pineapple, Watermelon, Pumpkin, Winter Melon planted in 3x3 plots) and increases the chance of a mutation into the giant Gmax variant.
Your Workpedia contains farming skills that can be upgraded using Starsand Points. Several of these skills directly or indirectly affect crop quality and yield. Unlock higher-tier skills by completing Graminova's certification quests.
Skill | Tier | Levels | Effect |
|---|---|---|---|
Effortless Tilling | Apprentice | 3 | Reduces stamina cost when using the hoe. Higher levels give a chance for free seeds when tilling. |
Seed Spreader | Apprentice | 1 | Disperses seeds across multiple plots at once instead of planting one by one. |
Fertility Up | Intermediate | 2 | Allows applying multiple fertilizers to a single plot for enhanced growth and better yields. |
Bountiful Harvest | Intermediate | 2 | Chance of double yield per harvest. Level 2 increases the probability further. |
Golden Farmer | Intermediate | 1 | Increases the refresh rate of the Happiness Seed Shop inventory, giving access to rarer seeds more often. |
Eternal Blessing | Senior | 3 | Chance to receive Immortal Seeds on harvest. Immortal Seeds regrow indefinitely without replanting. |
Chain Harvest | Expert | 1 | Harvesting one mature crop with a machete chains to all adjacent mature crops automatically. |
The Bountiful Harvest skill is particularly valuable for quality optimization because doubling your yield effectively doubles your chances of getting high-star items. Combined with Fertility Up (which lets you stack multiple fertilizer types on one plot), you can push both quantity and quality simultaneously.
Seed | Details |
|---|---|
Watering consistency | Water your crops daily. Missed watering days do not reduce quality directly, but they delay growth, which means fewer harvests per season. |
Cross-breeding | Some crops can be cross-bred to produce color variants. While color variants are primarily cosmetic and decorative, rare colors tend to sell for higher prices. |
Immortal Seeds | Crops grown from Immortal Seeds (obtained via the Eternal Blessing Workpedia skill) regrow after harvest without replanting. Over multiple harvests, these crops can accumulate higher base quality. |
Animals on your ranch produce products at different quality levels. The key factor is animal happiness. Animals need at least 150 Happiness Points for a chance to produce premium-tier products.
Feed | Details |
|---|---|
Feed quality | Use Mirth Feed instead of standard feed. Mirth Feed is the most direct way to boost happiness and push products into higher quality tiers. |
Daily petting | Interact with each animal once per day by petting them. |
Clean enclosures | Keep animal enclosures free of debris and waste. |
Shelter | Provide a roof or barn structure so animals can stay dry during rain. |
Premium animal products sell for significantly more than standard versions. Gold-quality products can sell for 2 to 3 times the standard price.
Animal | Standard Product | Premium Product | Notes |
|---|---|---|---|
Highland Cow | Milk | Premium Milk | Premium Milk sells for significantly more |
Black Rabbit | Fur (55 coins) | Premium Fur | Highest fur quality; requires two Spotted Rabbit parents |
Rainbow Sheep | Wool (20 coins) | Rainbow Wool | Most valuable wool; requires Pink + Golden Sheep parents |
Mandarin Duck | Feathers | Premium Down | Highest feather quality |
Rare animal variants (obtained through breeding) tend to produce higher-quality products than common variants. Breeding specifically for premium-product traits is one of the most effective long-term income strategies.
Animals also produce byproducts with distinct quality variants. Golden Poop and Silver Poop are quality-variant byproducts that can be sold for high prices, especially at the Merchant Ship.
Fish in Starsand Island have size variants that function similarly to quality tiers. The most notable is the King size, which is a significantly larger and more valuable version of a species. King-size fish are rare catches that appear in the same locations as their regular counterparts.
Fish | Details |
|---|---|
Regular | Standard size and sell price. |
Large | Slightly bigger with a modest price increase. |
King | The rarest and most valuable size. King-size fish command a significant premium when sold. |
For detailed bait information, see the Bait Guide. For fishing locations and rod details, see the Fishing article.
Beyond raw quality, you can significantly increase item value by processing raw materials before selling. Each processing method applies a multiplier to the base sell price. Combining high quality with the right processing station is the key to maximizing profit.
Processing Method | Station | Approximate Multiplier | Best For |
|---|---|---|---|
Separating | ~1.1x | Quick 10% bonus; turns fruits and vegetables into pulps | |
Juicing | ~1.1x | Fruits; fast processing time | |
Brewing | ~1.03x to 1.06x | Low multiplier but large batch sizes | |
~1.1x to 1.5x | Complex recipes with multiple ingredients yield the highest cooking multiplier | ||
Jam Making | ~1.4x to 1.5x | Fruits; Gmax fruit variants produce jam with even higher value | |
Pickling | ~1.85x to 2.78x | Vegetables; highest non-ship processing multiplier in the game | |
Merchant Ship (docks periodically) | 2.0x | Doubles the sell price of any accepted item; stacks on top of processing |
The Pickling Jar offers the highest processing multiplier for vegetables (up to 2.78x), while the Merchant Ship doubles the sell price of any item it accepts. Combining high-quality items with processing and selling to the Merchant Ship is the most profitable approach in the game.
Quality is not just about sell price. It affects two other important systems:
Using higher-star ingredients in cooking recipes produces dishes with better stats and higher sell values. A dish cooked with all gold-star ingredients will be worth noticeably more than one made with normal-quality items. The quality of the output dish is influenced by the average quality of the input ingredients.
When giving gifts to NPCs, the quality of the item can influence how much affection you gain. A gold-star favorite gift will provide more affection points than a normal-quality version of the same item. This makes quality relevant for the relationship system as well.
The following table summarizes the best strategies for each item category:
Category | Best Strategy |
|---|---|
Crops | Use fertilizer, water daily, upgrade Bountiful Harvest and Fertility Up in Workpedia, process via Pickling Jar or Jam Maker before selling |
Keep happiness above 150 with Mirth Feed, breed rare variants, sell premium products at the Merchant Ship | |
Fish | Use correct bait, target King-size variants, sell rare fish or process into Fish Fillet for cooking |
Cooked Food | Use higher-quality input ingredients for better dishes; sell complex recipes for 1.1x to 1.5x base value |
Apply Gmax Fertilizer III to 3x3 plots, process Gmax fruit into jam for the highest per-item value |
Save your best gold-star and diamond-star items for the Merchant Ship. The 2x multiplier on top of an already high-quality item produces the biggest payouts in the game.
Process crops before selling even if they are normal quality. A 10% bonus from the Separator adds up quickly over a full season of harvests.
Invest in Workpedia farming skills early. Bountiful Harvest and Eternal Blessing pay for themselves many times over through increased yields.
Check Bulletin Board requests carefully. Some requests require specific quality tiers, and fulfilling those requests often pays a significant bonus over the standard sell price.
Combine Fertility Up (which allows stacking fertilizers) with Yield Fertilizer and Ripening Fertilizer on the same plot for maximum output per harvest cycle.
For animal products, the difference between standard and premium is massive. Prioritize reaching 150 Happiness on your highest-value animals first.
Pickling vegetables is almost always more profitable than selling them raw, even at normal quality. The 1.85x to 2.78x multiplier from the Pickling Jar is the highest passive processing multiplier available.
King-size fish are rare but extremely valuable. If you catch one, consider selling it directly rather than processing it, unless you need it for a specific recipe.
