Sunflower
Sunflowers grow quickly from seeds if you water them frequently and plant them in full sun.
scientific name: Helianthus annuus
cultivar: Autumn Beauty
The colors can be deep yellow (1st photo), burgundy (2nd photo) or orange-brown.
Autumn Beauty can produce 20 blooms from one plant, grow up to 10 feet tall, and attract honey bees.
scientific name: Helianthus annuus
cultivar: ProCut Plum
It has plum-colored petals with creamy tips, is only 4 feet tall, and lasts long as cut flowers.
scientific name: Helianthus debilis
cultivar: Italian White
It produces small cream to pale yellow flowers.