Shepherd's purse is a cruciferous vegetable. Capsicum can be up to 50 centimeters high, stem erect, basal leaves clustered rosette, petiole 5~40 mm long, stem leaves narrow lanceolate or lanceolate, racemes terminal and axillary, sepals oblong, petals white, flowers and fruits in April~June.

Capsicum grows on mountain slopes, field margins and roadsides, wild, occasionally cultivated. China's provinces and regions are distributed, shepherd's purse is widely distributed in temperate regions of the world. Shepherd's purse is a cold-hardy vegetables, like cool and humid climate, seed germination temperature for 20 ~ 25 degrees Celsius, the growth of the temperature for 12 ~ 20 degrees Celsius. Temperatures below 10 degrees Celsius, higher than 22 degrees Celsius, slow growth, high humidity, poor quality.

Tips for buying capers.

1, look at the shape. Wild shepherd's purse grows more scattered, by the sun's sunshine more, so grow more thick and short. And artificial cultivation is more compact, relative to the wild more slender.

2, look at the color. Wild because the light is more abundant, so the color is dark green, old, especially the root of the caper, will be some red. The artificial cultivation of green will be lighter, eating taste is more tender.

3, smell flavor. Shepherd's purse is popular, there is a reason it is really fragrant, there is a special herbal flavor, compared to artificial cultivation, wild shepherd's purse flavor will be more intense.