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Zapweed - Version 3 vs Version 4
May 23, 2026, 02:33 PM
Corrected wikilink existence flags
May 23, 2026, 03:02 PM
Removed duplicate in-body wikilinks
11Overview22Zapweed is an Expert Farmer crop in Starsand Island described in-game as "spherical-leaf seaweed; don't touch the leaves after it blooms, you might get zapped." It belongs to the Expert Farmer tier, meaning you must reach the Expert Farmer certification before you can purchase its seeds. Zapweed grows during Summer and Autumn, taking 8 days and 12 hours to mature and producing 4 units per harvest.44What sets Zapweed apart is its exceptional sell price of 593 Coins per unit, which ties it with King Water Chestnut for the highest base sell price of any crop in the game. With a profit of 1,582 Coins per harvest and an earning rate of 186.1 Coins per day, Zapweed is one of the two most profitable raw crops available to endgame farmers. Both Zapweed and King Water Chestnut require a Paddy Field to grow, and both share the same seed cost, yield, and growth time. The key difference is their seasonal availability: Zapweed grows in Summer and Autumn, while King Water Chestnut grows in Autumn and Winter.77Like other Expert Farmer crops, Zapweed has no direct cooking recipe uses. Its value comes entirely from selling the raw harvest. Players who combine Zapweed with King Water Chestnut can maintain near year-round production of the highest-value crops in the game, covering Summer, Autumn, and Winter with only Spring as a gap.99Quick Stats1111AttributeValueCategoryFlower / SeaweedFarmer TierExpert FarmerSeed Cost790 CoinsBase Sell Price593 Coins per unitYield per Harvest4Total Harvest Value2,372 Coins (4 x 593)Growth Time8 days 12 hoursSeasonSummer, AutumnPlanting SurfacePaddy FieldHarvest TypeSingle harvest (replant after picking)Profit per Harvest1,582 Coins (2,372 sell minus 790 seed)Coins per Day186.1 Coins/dayWateringDailyGrinder Output2 Zapweed Seeds (from 1 Zapweed, at the Grinder)1313How to Obtain Seeds1414Zapweed Seeds are purchased from Graminova at the Happiness Seed Shop in Starsand Town for 790 Coins per seed bag. Because Zapweed is an Expert Farmer crop, you must first complete the Starter, Apprentice, Junior, Intermediate, and Senior Farmer certifications before the seeds become available. This makes Zapweed one of the last crops you unlock in the entire farming progression.1616Since Zapweed only grows in Summer and Autumn, its seeds are relevant for two of the four seasons. However, seeds can be purchased year-round from the shop regardless of the current season, so you can stockpile Zapweed Seeds during Spring or Winter in preparation for the growing seasons ahead. The shop stocks up to 20 Zapweed Seeds per restock cycle.1818Once you have access to the Grinder, you can convert harvested Zapweed back into seeds. Each Zapweed placed in the Grinder produces 2 Zapweed Seeds. This means a single harvest of 4 Zapweed can yield 8 seeds, more than enough to replant and expand your plots without spending any additional Coins at the shop. Given the steep 790 Coin seed cost, the Grinder is especially useful for scaling up a Zapweed operation.2020Growing2222Zapweed must be planted on a Paddy Field. It cannot be grown on standard Farmland, in a Planting Box, or on a Trellis. Paddy Fields are the flooded planting surfaces used for water-based crops like Rice, Sugarcane, Water Caltrop, River Lotus, and King Water Chestnut. If you have not built Paddy Fields yet, you will need to craft them before you can grow Zapweed.2424After planting, Zapweed takes 8 days and 12 hours to reach maturity. This is one of the longest growth cycles among all crops in the game, tied with King Water Chestnut. For context, most Expert Farmer crops take between 5 and 7.75 days. The long growth time is offset by the highest per-harvest profit of any crop: 1,582 Coins.2626Water the crop daily for it to grow on schedule. If you skip a day of watering, growth will stall until you water it again. Once mature, harvest the Zapweed to collect 4 units per plant. Zapweed is a single-harvest crop; after you pick it, the plant is removed and you must replant from seed.2828You can speed up Zapweed growth using fertilizers. Ripening Fertilizer I (unlocked at Apprentice Farmer) instantly advances growth by 8 hours. Ripening Fertilizer II (Junior Farmer) advances by 13 hours, and Ripening Fertilizer III (Intermediate Farmer) advances by 25 hours. Since Zapweed has the longest growth period in the game at 8 days and 12 hours, fertilizers provide a meaningful time savings on every cycle.3030Placing Bumblebee hives near your Paddy Fields also boosts growth speed for all nearby crops, including Zapweed. Combined with sprinklers for automatic watering, you can minimize daily maintenance while running a large Zapweed farm.3232Sell Prices3434Zapweed sells for 593 Coins per unit at Zerine's General Store. Since each harvest produces 4 Zapweed, a single harvest sells for 2,372 Coins total, resulting in a net profit of 1,582 Coins after the 790 Coin seed cost. This is the highest raw profit per harvest of any crop in the game, tied with King Water Chestnut.3636On a coins-per-day basis, Zapweed earns approximately 186.1 Coins/day when sold raw. This places it at the very top of the crop profitability rankings, again tied with King Water Chestnut. No other crop in the game matches this daily earning rate from raw sales.3838The Merchant Ship pays 200% of the normal sell price when it docks at Starsand Port, effectively doubling Zapweed's value to 1,186 Coins per unit. Selling a full harvest of 4 Zapweed during a Merchant Ship visit nets 4,744 Coins. Timing your harvests to coincide with the Merchant Ship's schedule can yield enormous returns.4040Profitability Comparison4242The table below compares Zapweed with other Expert Farmer crops to show where it stands in terms of daily profit. Zapweed and King Water Chestnut lead the entire game in raw gold per day.4444CropSeed CostSell PriceYieldGrowth TimeSeasonCoins/DayZapweed790g593g48d 12hSummer, Autumn186.1King Water Chestnut790g593g48d 12hAutumn, Winter186.1Bell Pepper750g518g47d 12hAutumn176.3Chirpy Plum730g505g47d 12hSummer172.0Star Mango730g505g47d 12hSpring172.0Honeyvine720g459g26 daysSpring, Summer169.5Star Plum710g453g26 daysSpring, Autumn167.3Jadelume770g427g25 daysWinter162.9Stardew Fern690g483g47d 18hAll Seasons159.0Fluffbean700g490g47d 18hSummer, Winter152.6Exotic Egg700g490g47d 18hSpring, Winter152.64646Zapweed and King Water Chestnut share identical stats across the board. The only meaningful difference is seasonal availability. By planting both crops across their respective seasons, you can cover Summer, Autumn, and Winter with the highest-value crops. During Spring, Star Mango (172.0 Coins/day) or the all-season Stardew Fern (159.0 Coins/day) are strong alternatives.4747Recipes and Uses4949Unlike many other crops in Starsand Island, Zapweed has no direct cooking recipe that uses it as an ingredient. It cannot be processed at the Separator into a cooking ingredient like Sugar, Flour, or Oil. Its in-game description hints at unusual properties ("you might get zapped"), but there is no crafting station or recipe that uses Zapweed for medicine or special items.5151Processing MethodInputOutputNotesGrinder1 Zapweed2 Zapweed SeedsStandard seed conversion; reduces ongoing seed expenses5353The Grinder is Zapweed's only processing use. Since the seed cost of 790 Coins is among the highest in the game, grinding a portion of your harvest back into seeds is a practical way to sustain production. Grinding 1 of your 4 harvested Zapweed gives you 2 seeds while still allowing you to sell the remaining 3 (1,779 Coins), which is more than enough profit to justify the trade-off.5454Because Zapweed lacks cooking or processing recipes, its entire value proposition is selling the raw crop. This makes it a straightforward, low-maintenance crop from a processing standpoint: grow it, harvest it, sell it. There is no need to manage processing chains or cooking station queues.5656Everlasting Zapweed Seeds5858Like all plantable crops, Zapweed has an Everlasting (Immortal) variant. Everlasting Zapweed Seeds produce a plant that regrows after each harvest indefinitely, eliminating the need to replant. This turns Zapweed from a single-harvest crop into a perpetual one, saving both seeds and replanting time.6060Everlasting seeds are especially impactful for Zapweed because of the steep 790 Coin seed cost. With Everlasting seeds, every harvest yields the full 2,372 Coins in pure profit instead of 1,582 after subtracting the seed cost. Over many cycles, this 790 Coin saving per harvest adds up to a massive increase in lifetime income.6262There are several ways to obtain Everlasting Zapweed Seeds:6464Eternal Blessings skill: At the Senior Farmer tier, you can upgrade the Eternal Blessings passive skill. This gives every regular harvest a small chance of dropping an Everlasting seed instead of a normal crop. Since you are already past Senior Farmer at Expert level to grow Zapweed, this skill should be fully upgraded.Mirthshroom Soup buff: Eating Mirthshroom Soup (recipe found in a Moonlit Forest chest) grants a temporary buff that increases the chance of dropping Everlasting seeds when harvesting. This buff stacks with the Eternal Blessings skill for higher odds.Islandpedia and quests: Some Everlasting Seeds can be found as rewards from Islandpedia milestones or specific quests. Check the quest board and your Islandpedia progress for any that offer Everlasting Zapweed Seeds directly.Treasure chests: Tilling and untilling soil on your homestead can spawn treasure chests. These chests occasionally contain Everlasting seeds, though most of the time they award Coins instead.6666Once you have an Everlasting Zapweed Seed, plant it on a Paddy Field just like a regular seed. Water it daily and harvest normally. After picking the crop, the plant will remain in the ground and begin its next growth cycle automatically. If you accidentally remove an Everlasting crop, the game refunds the Everlasting seed to your inventory, so you cannot lose it permanently.6868Gifting7070Zapweed can be given as a gift to NPCs. The following characters have notable gift preferences for Zapweed:7272Loved by: Delphin, Graminova, Marston, Matilda, Nia, Sagewood, SylvainNeutral: PandaHated by: LorenLiked by: All other characters7474With seven characters loving Zapweed as a gift, it is a useful item for building friendships. However, given its high sell value of 593 Coins per unit, gifting Zapweed represents a significant opportunity cost compared to cheaper gifts. Consider using lower-value items for daily gifting and reserving Zapweed for characters who love it on their birthdays, when the relationship boost is doubled.7676Tips7878Zapweed ties with King Water Chestnut for the highest gold-per-day crop in Starsand Island at 186.1 Coins/day. If you have reached Expert Farmer, these two crops should be the backbone of your endgame farming income.Combine Zapweed (Summer, Autumn) with King Water Chestnut (Autumn, Winter) to cover three out of four seasons with the most profitable crops. During Spring, switch to Star Mango or Stardew Fern for continued high income.Both Zapweed and King Water Chestnut grow in Autumn, so you can have both running simultaneously during that season. Dedicate enough Paddy Fields to support both crops side by side for maximum autumn income.Use the Grinder to convert some of your harvest back into seeds. Since 1 Zapweed produces 2 seeds, grinding just 1 of your 4 harvested Zapweed gives you 2 seeds. Sell the remaining 3 (1,779 Coins) and spend nothing on seeds for the next cycle.Set up sprinklers to automate daily watering. Zapweed's 8-day 12-hour growth time means you will be watering for over a full week per cycle. Sprinklers save you from visiting your Paddy Fields every single day.Place Bumblebee hives near your Paddy Fields to boost growth speed. Every hour shaved off the growth cycle increases your effective Coins per day.Sell Zapweed to the Merchant Ship when it docks at Starsand Port for double the normal price (1,186 Coins per unit). A full harvest of 4 Zapweed sold to the Merchant Ship brings in 4,744 Coins, making it the single most valuable Merchant Ship sale in the game.Prioritize getting Everlasting Zapweed Seeds once you have the Eternal Blessings skill. Removing the 790 Coin seed cost from every cycle raises your effective profit from 1,582 to 2,372 Coins per harvest, a 50% increase.Since Zapweed has no cooking recipe uses, you do not need to reserve any for the kitchen. Sell or grind every Zapweed you harvest. This makes it one of the simplest crops to manage despite being the most profitable.Remember that Zapweed requires a Paddy Field, not standard Farmland. If you are switching from regular crops, make sure you have enough Paddy Field plots built before planting season arrives.8080Related Articles8282All CropsFarmingCrop Profitability RankingsCrop CalendarKing Water ChestnutHappiness Seed ShopGrinderEverlasting SeedsPaddy FieldSprinklers and IrrigationFertilizersMerchant ShipStardew FernStar Mango
