After about a month of excellent production, the new leaves on my three collard green plants are curling and puckering. It definitely starts in the center with new growth. I did not see any obvious pests. There is some sort of brownish rot in the center, which you can see in the second picture. I...
Asked by: Jack Scott
Posted:June 25, 2017
My collards have got a brownish yellow colour on older leaves. What could be the reason? They are not growing too. I planted them in March this year. They are planted in a bed with sand, clay, vegetable soil and manure.