Can you tell me what’s wrong with my marigolds?

Can you tell me what’s wrong with my marigolds?

This is the second time I've planted marigolds in my border. The first time I put down their demise to it being too early and too cold. This time, however, the weather is fine but they are not doing too well. The leaves and stems have turned red with some spotting and the flowers are... not happy. Sick marigold I planted a dozen plants (3 different varieties). Most were purchased but 3 I grew from seed. All are turning red and have spots. Anyone have a clue?
questions about sod & some plant identification

questions about sod & some plant identification

Pride of Barbados “dragon”

Pride of Barbados “dragon”

Plant appearance question: no more food causing plants to turn paler/wilt?

Plant appearance question: no more food causing plants to turn paler/wilt?

Picked our first cukes today!

Picked our first cukes today!

A bouquet for you

A bouquet for you

My Room!

My Room!