Choose the correct pot size starting out. Rootbound coleus also develops yellow leaves. Downy mildew is a fungal infection that flourishes in cool, humid conditions causing stunted growth and loss ...

There are endless possibilities for breeding coleus plants with wildly creative leaf colors and shapes. Home propagators can start with a windowsill.

In the late 1960s, Donovan sang about mellow yellow; I’m guessing he was not a gardener. After the winter months, a bed of yellow daffodils brightens the day. For me, seeing the first daffodils bloom ...