ACNH Flower Breeding Simulator | Save & Share Genetics

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The Ultimate ACNH Flower Breeding Simulator

Select Parent Flowers

Possible Offspring

Welcome, Island Gardener! (A Simple Guide to Flower Genetics)

One of the most charming and rewarding long-term goals in Animal Crossing: New Horizons is creating a breathtaking garden filled with rare, colorful hybrid flowers. But as any seasoned island representative knows, it's not as simple as just planting flowers next to each other and hoping for the best. Behind the cute visuals, the game uses a surprisingly deep system based on real-world **Mendelian genetics**! Every single flower on your island has a hidden "genetic code" that determines its color. When two flowers are watered and placed next to each other, they have a chance to produce a new flower that inherits a combination of its parents' genes. This is how you can create stunning hybrids like black cosmos, purple windflowers, and the ultimate horticultural prize: the legendary blue rose.

This tool is designed to be your personal genetics laboratory, taking all the complicated Punnett squares and probability math out of the equation. It's an interactive simulator that lets you see the hidden potential in your flowers. You can select any two parent flowers, and it will instantly simulate every possible genetic outcome, showing you a clear, easy-to-read list of all the potential offspring and their exact percentage chance of sprouting. It is the ultimate tool for any serious island gardener, allowing you to test your breeding pairs before you plant, plan your garden layouts for maximum efficiency, and chart a clear, step-by-step path to creating every beautiful flower in the game. Your island is about to get a lot more colorful!

How to Use This Simulator

  1. Choose Your Flower Species: First, use the "Flower Type" dropdown to select the species you want to breed (e.g., Roses, Lilies, Cosmos).
  2. Select Parent A: From the next dropdown, choose your first parent flower. The list includes both basic seed bag colors and many common, known hybrids.
  3. Select Parent B: From the final dropdown, choose your second parent flower.
  4. See the Results: The "Possible Offspring" panel will instantly update, showing you a list of every flower that can result from that pairing, complete with its name, its hidden genetic code, and its percentage chance to spawn. Your selections are also saved in your browser!

Tips for a Perfect Garden

  • Not All Hybrids are Created Equal:** This is the most important concept in ACNH genetics! A red rose grown from a seed bag has a different genetic code (`2000`) than a red rose that sprouted from two purple roses (`2200`). This tool helps you keep track of these "hybrid" flowers so you can use the right parents to achieve your goals. A flower's origin story matters!
  • The Legendary Blue Rose:** The blue rose is the ultimate prize because its genetic code (`1120`) is notoriously difficult to produce through random chance. It requires multiple, specific generations of breeding. Use this simulator to trace the complex but rewarding path, starting with seed-bag flowers and following the genetic trail to this rare and beautiful bloom.
  • The Checkerboard is Your Best Friend:** For the most efficient breeding, plant your flowers in a checkerboard pattern. This means leaving an empty, watered space between each flower you want to pair up. This gives the new baby flower a guaranteed, open spot to spawn, maximizing your daily chances.
  • **A Little Help From Your Friends:** This is one of the best secrets in the game! If you have visitors from other islands come and water your flowers, it dramatically increases their chance to produce offspring the next day. The bonus stacks up to five visitors! If you're on a serious breeding project, hosting a "watering party" can speed up your progress immensely.

 

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