外葉紫色，內葉紫紅色。葉柄薄，花青素含量高。
不耐抽苔，播種溫度需高於13度以上。
出芽後，可能會出現1%~4%綠苗，需及時拔除。
定植後約70天左右採收。球重約1.2-1.5公斤。

The outer leaves are purple, while the inner leaves are reddish-purple.
The leaf stems are thin, with a high content of anthocyanins.
It is not tolerant to bolting, and the sowing temperature should be above 13 degrees Celsius.
After germination, 1% to 4% of green seedlings may appear, which should be promptly removed.
It can be harvested around 70 days after transplanting.
The head weighs approximately 1.2-1.5kg.