🌿 Chrysanthemum greens
The clean, aromatic green in a hotpot. Loves cool weather, grows fast, flowers and toughens in heat.
Chrysanthemum greens at a glance
Is Chrysanthemum greens frost tolerant?
Yes, through light frosts. Damage starts at -4°C and it is killed below -8°C.
What temperature does Chrysanthemum greens grow best in?
It grows best between 8 and 23°C. Below 5°C it stops growing altogether, and above 26°C it slows down.
How many days does Chrysanthemum greens take to mature?
About 35–50 days. That is a typical figure: it needs roughly 420 °C·d of warmth above 5°C, so a warm season gets it there sooner and a cool one later. The city calendars below give the sow and harvest dates for each place.
Is Chrysanthemum greens a cool-season or warm-season crop?
A cool-season crop. It does best in the mild weather of spring and autumn, and slows down in summer heat above 26°C.
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, 28) − 5), and Chrysanthemum greens is ready when that total reaches 420. That is why the same seed takes a very different number of days in Dublin and in Guangzhou.
| Base temperature | 5°CBelow this, the plant accumulates no growing degree days at all. |
|---|---|
| Degree days to maturity | 420 °C·dThe heat budget it must accumulate before it is ready to pick. |
| Comfortable range | 8–23°CWhere it grows without stress. |
| Frost damage below | -4°CLeaves start taking frost damage below this low. |
| Killed below | -8°CBelow this it does not come back. |
| Heat stress above | 26°CAbove this the plant slows down and stops setting fruit well. |
| Typical time to harvest | 35–50 days |
| Yield per bed | 6 bunches |
Things worth knowing
- It produces small yellow daisy flowers — it really is a chrysanthemum, and Europe grew it only as an ornamental for centuries.
- Pinch out the tips and side shoots come again, so one sowing gives several cuttings.
Where and when to sow Chrysanthemum greens
Pick your city to see the months when Chrysanthemum greens scores well against that city's real climate records: