Sweet peas are susceptible to powdery mildew, a fungal disease that can infect crowded plants or those growing in damp shady places. They may also suffer from pea enation, a mosaic virus that can ...

Answer: I've found that any type of sweet pea I've tried did well. ... It seems that the foliage being so close to the ground makes them more prone to diseases, and they don't bloom as long.

Today, sweet pea breeding continues, bringing greater disease resistance, longer bloom times, adaptability, and a wider range of colors to one of the world’s most beloved blossoms.