Nature may have a few things to teach tennis players about backspin. Glue that holds the flower’s podlike fruit together breaks down on contact with water, allowing the fruit to split explosively, ...

Q: Do you know why some of my petunias look very scraggly without much foliage compared to others that have beautiful large green leaves? — Nicole W. A: Petunias might not be as full and large-leaved ...

Petunias carry a great variety in a number of aspects, including a wide range of colours; single and double blooms; smooth or ruffled petals; solid, single, striped, veined or picotee-edged colours; ...