🌿 Rocket
A fast, peppery leaf that turns bitter and bolts the moment it gets warm. A spring and autumn crop.
🌱 This one is in the reference and the planting calendar, but you cannot sow it in the game yet.
What the numbers mean
These are the actual parameters this game runs on. Growth is driven by growing degree days: each day contributes max(0, min(mean temp, 26) − 4), and Rocket is ready when that total reaches 370. That is why the same seed takes a very different number of days in Dublin and in Guangzhou.
| Base temperature | 4°CBelow this, the plant accumulates no growing degree days at all. |
|---|---|
| Degree days to maturity | 370 °C·dThe heat budget it must accumulate before it is ready to pick. |
| Comfortable range | 6–22°CWhere it grows without stress. |
| Frost damage below | -6°CLeaves start taking frost damage below this low. |
| Killed below | -12°CBelow this it does not come back. |
| Heat stress above | 24°CAbove this the plant slows down and stops setting fruit well. |
| Typical time to harvest | 30–45 days |
| Yield per bed | 6 bunches |
Things worth knowing
- The pepperiness comes from glucosinolates — the hotter the weather, the sharper the leaf.
- It often goes from seed to plate in under a month, making it the ideal gap-filler.
Where and when to sow Rocket
Pick your city to see the months when Rocket scores well against that city's real climate records: