If there is enough dirt on the roof, anything can grow there! What types of flowers you can grow on your roof depends on where you live. Good choices for potted plants grown on a roof top in most climates include geraniums (these are really called pelargoniums, but most people call them "seed geraniums"), petunias, pansies, lobelia, nicotania, miniature sunflowers, nasturtium and marigolds.
They are actually called 'Cactus Flowers'
alpine flowers
unknown
When one kind of flowers are blossoming , the bees will go to gather honey , so , other pistil will grow and bolosom as well .
tulips ( 2 lips)
Determinate growth occurs when leaves and flowers grow to a set size.
Determinate growth occurs when leaves and flowers grow to a set size.
Determinate growth occurs when leaves and flowers grow to a set size.
The determinate growth is what occurs when leaves and flowers grow to a set size.
silver bells
Brassicas allowed to run to seed will have small yellow flowers.
Determinate growth occurs when leaves and flowers grow to a set size.