Grow a Garden 2 Sprinkler Double Chance: Odds, Stacking and Prices

By TheWebCalc Editorial Team · Updated October 4, 2026 · Free, no sign-up

The Grow a Garden 2 sprinkler double chance is the odds that a plant rolls a doubled weight while a sprinkler is working on it. Without any sprinkler that chance is about 1%, and a single Super Sprinkler lifts it to roughly 5%. This guide shows how much each tier adds, what happens when you place more than one, and what they cost.

What the Sprinkler Double Chance Means

Every plant has a normal weight range. On top of that, a plant can get a lucky roll that doubles its weight, and a heavier plant sells for more. The base chance for one such roll is about 1%. Sprinklers raise it by adding size luck, which is why serious growers place them next to their most valuable crops.

Lucky plants can roll more than one double in a row, but each extra double has to hit again, so long chains get rare very fast. Watering cans are a separate thing and do not add to sprinkler size luck.

Grow a Garden 2 Sprinkler Tiers Compared

All five tiers are listed with a 2 minute duration in the sources we checked. Higher tiers grow plants faster, cover more ground and add more size luck.

Reported prices: Common 3,000 Sheckles (7 Robux), Uncommon 10,000 Sheckles (25 Robux) and Super 3,000,000 Sheckles (399 Robux). We could not confirm the Rare and Legendary prices, and shop stock rotates, so check the Gear Shop.

Uncommon Sprinkler in Grow a Garden 2

The Uncommon Sprinkler is the first tier that is cheap enough to use all the time. It makes plants grow twice as fast, adds +21 size luck and lasts 2 minutes. That moves the double chance from about 1% to about 1.81%, or roughly 1 in 55. It costs 10,000 Sheckles, and one wiki lists a 35% chance of seeing it in the shop at any time.

Its main value is as a building block. Three Uncommon Sprinklers together reach 63 size luck, which is about a 3.5% double chance, so a cheap stack can beat a single Rare or Legendary on luck alone.

Super Sprinkler Price in Grow a Garden 2

The Super Sprinkler is the top tier, with 5x growth, +100 size luck and a 55 stud radius. Most sources price it at 3,000,000 Sheckles or 399 Robux, though one guide lists 300K Sheckles. Treat 3 million as the working figure and confirm it in the shop.

It is also rare in stock. One database lists about a 1.2% shop chance, so it often will not be there when you check. If you cannot find or afford it, the Legendary Sprinkler is the usual fallback.

How Sprinkler Luck Works

Sprinkler luck is simply the size luck bonus a sprinkler adds. The more you have, the higher the double chance, but only up to a cap of 100. At the cap one double roll is about 5%, and anything above 100 is wasted.

The curve is not a perfect straight line, so our calculator below uses the published points and estimates between them.

Do Sprinklers Stack in Grow a Garden 2?

Yes, according to the sources we compared, but only for size luck, and only up to the 100 cap. Sprinklers of different tiers apply their boosts together, and even several of the same tier add up, as the Uncommon examples above show. Once the total reaches 100, more sprinklers add nothing to the double chance.

So can you stack sprinklers in Grow a Garden 2 and keep gaining? Not past the cap. One guide also notes there is no stacking menu in the game, which means you only see the effect through your results. Because details can change with updates, test one setup on a plant you can compare before you buy several.

Extra sprinklers are still useful for other reasons: wider coverage, faster growth on more plants, and a backup for when one runs out after its 2 minutes.

Sprinkler Double Chance Calculator

Enter how many of each sprinkler are placed near the plant. The calculator adds the size luck, applies the cap of 100 and estimates your double chance.

Estimates for one roll, interpolated from published figures. Not official odds.

Best Sprinkler Setup for Double Chance

• Plant your most valuable crops first, then place the sprinkler beside them. A double on a cheap crop earns little.
• Aim for 100 size luck, not more. A Super alone does it. Otherwise combine tiers, such as Legendary + Rare, which adds up to the cap.
• Use cheap stacks while you build income. Several Uncommon Sprinklers beat a single Rare on luck if you can afford them.
• Watch the 2 minute timer. Plan harvests so your best plants are covered while the sprinklers are active.
• Spread them for coverage once capped. Extra sprinklers help by reaching more plants, not by raising the odds.

To turn a bigger plant into a sell price, work it out in the sequel crop price calculator, and see how mutations change value in the mutation multiplier guide.

Why Trust This Sprinkler Guide

• We show disagreement. Super Sprinkler price and sprinkler duration differ between guides, so we say so instead of picking quietly.
• Confirmed and unconfirmed are separated. Rare and Legendary prices are marked as not confirmed.
• Sources are named. Figures come from public pages by Growagardencalculator.com, AllThings.how and RblxGuide.
• The maths is visible. Total size luck is the sum of your sprinklers, capped at 100.
• Dated and reviewed. The review date is at the top, and the game is still changing.
• Corrections welcome. Reach us on the contact page or see About Us.

Sprinkler Double Chance FAQ

What is the sprinkler double chance in Grow a Garden 2?

It is the chance that a plant rolls a doubled weight. Without sprinklers it is about 1%. Sprinklers add size luck, which raises it, up to about 5% once size luck reaches 100.

Can you stack sprinklers in Grow a Garden 2?

Reports say sprinkler size luck adds up until it reaches 100, after which extra sprinklers add nothing to the double chance. One guide notes there is no stacking menu, so test your own setup.

How much does the Uncommon Sprinkler give?

The Uncommon Sprinkler is listed with 2x growth speed and +21 size luck for 2 minutes, which is about a 1.81% double chance for one roll.

What is the Super Sprinkler price in Grow a Garden 2?

Most sources list 3,000,000 Sheckles or 399 Robux, though one guide states 300K Sheckles. Check the Gear Shop for the current price.

What is sprinkler luck in Grow a Garden 2?

Sprinkler luck is the size luck bonus a sprinkler adds. It raises the chance of larger plant sizes and doubled weights, and it caps at 100.

Do I need more than one Super Sprinkler?

For double chance, no. One Super Sprinkler already reaches the 100 size luck cap, so extra sprinklers do not raise the odds further. A second one only helps by covering more plants.

Why do guides disagree on sprinkler details?

The game is new and gear stats and prices are still being tuned, so guides updated at different times can differ on price and duration.