Heartopia Flower Crossbreeding: 1★ to 5★

Crossbreeding combines two flowers to create rarer, higher-star varieties.

📌 Mechanics & colors from community research. Growth time & success rate vary by source; verify in-game.

1. Unlock

• Unlock Gardening hobby (~DG Level 3).
• Buy 1-star seeds (Red/Yellow/White) from the Flower Shop.

2. Star Tier System

Star	Rarity	Colors	How
1★	Common	Red, Yellow, White	Buy seeds
2★	Uncommon	Orange, Pink, Cream	Cross two 1★
3★	Rare	Coral, Rose, Purple, Teal, Lavender	2★ cross
4★	Epic	Black, Gold, Gradient	3★+ cross
5★	Legendary	Rainbow, Crystal (e.g. Selene Daisy)	4★ cross

3. Mechanics

Adjacent planting

Two parents in adjacent tiles (horizontal/vertical/diagonal), same tier or within 1 tier.

Growth cycle

Parents bloom → hybrid seed grows in adjacent empty tile.

Growth time varies by source (18h vs 24h) — verify in-game. Keep an empty tile!

Watering

Water parents daily. Friend watering boosts success rate.

Collect

Seed icon appears → walk through bush to collect.

4. Color Recipes

Base colors: Red, White, Yellow.

Basic (1★ → 2★)

Parent A	Parent B	Result
Red	Yellow	Orange
Red	White	Pink
Yellow	White	Cream

Advanced (2★ → 3★, verifying)

Parent A	Parent B	Result
Orange	Pink	Coral
Red	Pink	Rose
Pink	Pink	Light Pink
Pink	White	Pale Pink

5. Success Rate

Friend watering (key)

• Self only: low
• +1 friend: ~+10%
• +2 friends: ~+30%
• +3 friends: optimal (~60-70%)

Find watering partners on the official Discord #gardening.

Rainbow Breeding Powder

• 100% success on one pair of bloomed flowers.
• Source: events, shop (~350 Moonlight Crystals).
• Won’t work on 5★ (e.g. Selene Daisy).

6. Tips

1. Checkerboard layout (leave empty tiles).
2. Max ~12 plants active.
3. Water daily.
4. Keep empty tiles adjacent to parents.
5. Save rainbow powder for rare combos.

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Unofficial, continuously verified. Feedback welcome.